Mobile Elevating Work Platforms Model: XGA16: Maintenance Manual
Mobile Elevating Work Platforms Model: XGA16: Maintenance Manual
Mobile Elevating Work Platforms Model: XGA16: Maintenance Manual
Maintenance Manual
machine.
The manual is emphasizing the specific under the pressure of extreme danger, therefore,
instructions and precautions to be followed please ensure to release the pressure of the
during the maintenance procedures. In most system as much as possible prior to disassemble
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XGA16 Maintenance Manual
release the pressure of the system to guide the • Please lubricate or maintain other
components and turn off all the switches
pressure from pipelines back to the oil tank.
prior to adjustment.
Please disconnect the hydraulic pipelines of the • The battery shall be removed for the
system components to minimize the loss of hy- replacement of electronic components.
casualties to personnel.
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XGA16 Maintenance Manual
Revision
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XGA16Maintenance Manual
Contents
Chapter A Maintenance Safety Instructions .......................................................................... I
Revision....................................................................................................................................... III
Contents .......................................................................................................................................IV
Chapter 1.....................................................................................................................................Specification 1
1-1 Operating Specifications.............................................................................................2
1-2 Technical Specifications ..............................................................................................2
1-3 Capacity .......................................................................................................................2
1-4 Specifications of Components ....................................................................................2
1-5 Tire ...............................................................................................................................3
1-6 Function and Speed.....................................................................................................3
1-7 Torque Requirement ...................................................................................................4
1-8 Lubrication ..................................................................................................................4
1-9 Pressure Setting ...........................................................................................................5
1-10 Weight of Main Components .....................................................................................5
Chapter 2 ............................................................................................. Maintenance Safety Instruction 9
2-1 Responsibilities and Requirements of Maintenance Personnel and Se-curity
Equipment 10
2-2 Precautions for Maintenance ................................................................................... 11
2-3 Precautions in Maintenance .....................................................................................13
2-4 Precautions after Maintenance ................................................................................16
Chapter 3 ....................................................................................... Oils Lubrication and Maintenance 20
3-1 Lubrication ................................................................................................................21
3-2 Oil Instructions..........................................................................................................25
Chapter 4 ................................................................................................................................. Maintenance 43
4-1 Periodic Inspection of Maintenance ........................................................................44
4-2 Work Platform...........................................................................................................51
4-3 Slewing Mechanism...................................................................................................51
4-4 Power System.............................................................................................................55
4-5 Running System.........................................................................................................63
4-6 Hydraulic system .......................................................................................................68
4-7 Electrical system ........................................................................................................75
4-8 Check and test required after machine overhaul or replacement of major parts
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Chapter 1 Specification
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XGA16Maintenance Manual
Max. running speed 6.12 km/h (3.7 mile/h) 1-4 Specifications of Compo-
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Table 1-6 Tire Specifications Extension arm: The elevation of big arm is fully
Layer Load completed. The extension arm is retracted. The
Dimension Type Weight
number range
315/55 122kg extension arm is extended and record the time.
Foam 16 H
D20 (269lb)
The extension arm is retracted and record the
Table 1-7 Function and Speed (Unit: s) Driving (forward/backward): The test shall be
Function Time
conducted on smooth and level surface. The
Crank arm elevation 25~40
driving selection switch shall be set on the posi-
Extension arm elevation 20~35
Folding arm elevation 25~45 tion of high speed rotation. Test result shall be
Extension arm extending 10~25 recorded at the distance of 200 feet. Drive for-
Crank arm falling 20~30 ward and record the time. Drive backward and
Extension arm falling 30~40
record the time.
Folding arm falling 30~60
Extension arm retraction 10~25 Driving (elevating status): The test shall be
Max. amplitude clockwise 90~120
rotating speed conducted on smooth and level surface. The
Max. amplitude anti-clockwise 90~120 driving selection switch shall be set on the posi-
rotating speed
Min. amplitude clockwise 50~70
tion of high speed rotation. Test result shall be
rotating speed
recorded at the distance of 50 feet. Drive forward
Min. amplitude anti-clockwise 50~70
rotating speed and record the time. Drive backward and record
Platform rotating time 10~30
the time.
Machine Positioning for Speed Test
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XGA16Maintenance Manual
maintained level with the big arm kept in middle Hub fastening 300 ft-lb
150
bolt (407 Nm)
position. Start after declining the small arm.
Swing bearing 240 ft-lb
50/600
Elevate small arm and record the time. Decline bolt (325 Nm)
Starter motor
small arm and record the time. Field coil 95 inch-lb(9.5 Nm)
300
Contact 40 inch-lb(4Nm)
Testing Precautions Coil
* After initial operation for 50 hours, please check the
1. The stop watch shall be started in accordance swing bearing bolt once every 600 hours to ensure it is
safe. (Refer to rolling bearing in Chapter 3)
with actual functions, other than the controller or
Note: In case the maintenance is required or fasteners
become flexible, please refer to the Torque Table to
switch. confirm the proper torque value.
100ºF (100℃) during the test. Note: The hydraulic oil shall feature wear quality
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XGA16Maintenance Manual
platform
viscosity index of 152.
Steering 172 bar(2500 lb / square inch)
not use or mix other products of different brands 1-10 Weight of Main Compo-
or types other than the hydraulic oil nents
recommended by XCMG . In case that you plan Table 1-12 Weight of Components
to use certain hydraulic oils other than Mobil 424, Component lb kg
Rotating platform 1951 885
please contact XCMG for appropriate (excluding other
components)
suggestions.
Balance weight 2450 1202
-18℃ cP value of
Brookfield viscosity 2700
measurement
40℃ 55 cSt
100℃ 9.3 cSt
VI (Viscosity index) 152
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7 1 28.9 12.6 18 13 16 19
Note: The above-mentioned torques are not applicable for cadmium-plated fastners.
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6 1 20.1 12.5 15 11 12 17
7 1 28.9 18.0 25 19 20 28
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6 1 20.1 12.5 11 12 17
7 1 28.9 18 19 20 28
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cial equipment.
2-1 Responsibilities and Require-
ments of Maintenance Personnel e. Be familiar with the working procedure and
EQUIPMENT and provide necessary mainte- The personnel who can not do the regular
nance for the aerial work platform under the safe work for illness, drinking or taking medicines
The maintenance personnel shall meet the fol- a. You must use the security equipment when
a. The inspection personnel and maintenance b. Select the appropriate security equipment
personnel shall have the relevant qualification or according to the working conditions, such as
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XGA16Maintenance Manual
Figure 2-1 Individual Protective Equipment Periodic repair and maintenance for the aerial
where required;
It may result in poisoning to inspect or main-
e. Some security equipment (such as safety tain in the place with limited space and poor
helmet and belt) may be damaged after being ventilation conditions.
used for a certain period, so they shall be in-
The forced ventilation measures shall be provid-
spected and replaced at regular intervals.
ed when the engine is started in the place with
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XGA16Maintenance Manual
disordered place. Clear away all barriers before operation task securely.
3. Stop the engine before the inspection or before the inspection or maintenance opera-
Don’t inspect or maintain when the engine is The dust or chips on the aerial work platform not
parts out of order, but also can sneak into the in-
Take down the start key before the inspection
terior of the elements or parts. In addition, the
and maintenance operations and place a warning
dust or mud will hurt the eyes or make person
board “Do not operate” for warning on the door
slip for injury accident.
or the control lever of the control panel.
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XGA16Maintenance Manual
1. Prevent fire
spark source.
In order to prevent the positive and negative
Prohibit anyone from smoking.
poles of the welding machine with the vehicle
Prohibit any flame or spark source being close to
body forming circuit to burn out the electrical
any inflammable goods.
elements, such as controllers and sensors, the
The ready-to-use fire extinguisher must be positive and negative poles wires must be re-
available and the method of application shall be moved when welding, or you will be fully re-
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XGA16Maintenance Manual
or parts shall be cooled before the inspection or 6. If the electrical, gas circuit or hydraulic
into the hole. The things dropped will damage High pressure fuel oil or hydraulic oil can cause
the machine or result in the misoperation of the serious damages to the skin or eyes. In order to
shall be observed:
Any tools or matters dropped into the inspection
hole must be taken out. a. Firstly release the pressure inside the pipeline
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XGA16Maintenance Manual
b. Put on the goggles and protective gloves when Before inspection or maintenance of the electri-
inspecting the leakage. The leakage of the high cal system is started, the cables on the negative
pressure oil may be not visible; the hardboard or pole terminal side (ground side) must be re-
is released.
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XGA16Maintenance Manual
reaction of mixing the greases with different ness and other problems of the parts main-
trade marks will change the characteristics of tained on the machinery must be confirmed
13. Support the Lift Arm and Platform during tion of the machinery in normal action.
Repair
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relevant departments.
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Memorandum
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Memorandum
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The sliding surfaces that are not listed in the The lubrication cycle is established on the
above table shall be applied with the lubri- basis of assuming the aerial work platform to
per applied with the lubricating grease be- 3-2 Oil Instructions
fore leaving factory are also in need of prop-
See Table 3-2 for the oil brand of each parts and
er lubricating maintenance.
its filling amount and maintenance period. See
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XGA16Maintenance Manual
Theoretical
Filling Applicable Oil change
S/N Type filling Remarks
position temperature and model period/h
amount /L
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Table 3-3 Models Comparison of the Similar Oil in Domestic and Overseas
Slewing reducer
Classification Engine oil Hydraulic oil
Travelling reducer
Name Diesel engine oil Induatrial gear oil Anti-wear hydraulic oil
L-CKD220
Petrochina CH-4 AE46, HS22
L-CKD320
Mobilger630
MOBIL Delvac super Mobil DTE 11M, 13M, 15M
Mobilger632
Omala220
SHELL Rimula D Tellus 22, 32, 46
Omala320
Meropa220
CALTEX EDLA500 Rando oil HD32, 46
Meropa320
RX Supper 15W/40 RX Alpha Max220 Hyspin AWS 15, 32, 46
CASTROL
Super Alpha Max320 Hyspin AWH 15, 32, 46
Carter EP220
TOTAL Rubia XT AZOLLAZS 32, 46
Carter EP320
Energol GR-XF220 Bartran HV22
BP Venellus c3 Extra
Energol GR-XF320 Energol HLP-HM 32, 46
fication for the fuel tank capacity and the selec- to prevent fires.
2. Engine oil
table;
head);
Figure 3-3 Refueling location of fuel tank
c. Take down the oil scale from the engine;
Turn off the engine before adding the fuel oil oil scale is in Identification Area b, as shown
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in Figure 3-4; b. Fill the engine oil. See Table 3-2 for the se-
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Oil scale
Oil scale
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leakage.
When checking the engine fluid, the engine c. Check the level of the cooling liquid to en-
shall be in a stopped state and cooled to the sure the cooling liquid of the cooling system
environment temperature. is sufficient.
you want to check the fluid level of the anti- Pressure cap
of radiator
freezes, it must be stopped and checked after tank
the engine shuts down and the water temper-
Supply
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tives, antirust agents and other additives in the Make regular inspection of the oil quantity
water may cause the corrosion and blocking of and supplement when the oil level is lower
the engine and cooling system to influence the than the specified value.
allowed.
pared with “ethyl alcohol - water” for the en- See the specific sections for the application
rectly.
Service Cycle
Service Cycle take samples once a year for the product in nor-
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mal use; and take samples once a quarter for the hydraulic oil according to this instruction.
turn oil.
vironment temperature.
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If the hydraulic oil pollution is more severe but b. Too Low Operating Temperature
If being above 60℃ for a long time, the hydrau- ly start to operate when the environment temper-
lic oil will go bad in an acceleratory speed, as a ature is lower. The aerial work platform shall be
result, the hydraulic component life is reduced, sufficiently heated by idling up to the hydraulic
and the filtration and replacement cycles are oil temperature rising around 20℃.
idle state.
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XGA16Maintenance Manual
Viscosity mm2/s
series hydraulic oil, of which the range of appli- Figure 3-7 Liquid Temperature and Liquid
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allowed to be lower than the scale of 100oC.If it's inations shall be prevented from entering the
lower than the scale, hydraulic oil shall be filled system. Even a very small particle will cause
with same trade mark via the air filter gauze. See a. Preparation before Change
b. Steps
Air Filter
1) Place the prepared container below the drain
The mixing use of oils with different brands will Drain Plug
Change of Oil
Figure 3-9 Drain Value of Oil Tank
Cleanness is the most important index to main-
3) Remove all hoses from the oil tank and ex-
tain the hydraulic system. Dust or other contam-
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XGA16Maintenance Manual
haust all oil in the hoses as far as possible. 10) Clean or replace oil return pipes of the oil
tank.
When the engine keeps running, continuous Various oils, including lubricating grease, fuel
attention shall be paid to the oil left in the and antifreezes, used on aerial work platform
tank and the pump is prevented from sucking will cause direct or indirect pollution to the sur-
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XGA16Maintenance Manual
with local environment protection department for In any case, please recycle any hazardous ob-
assistance so as to facilitate proper disposal of jects as far as possible. Otherwise, you may be
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Memorandum
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Memorandum
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Chapter 4 Maintenance
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prevails.
be shortened accordingly.
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XGA16Maintenance Manual
Table 4-1 Items of Periodic Inspection and Maintenance for Aerial Work Platform
Remark
Every Every Every Inspection
1 3 6 Every 1
System or Maintenance
Project Item Daily Month Month Month Year or DRI Method
Element
or or or 1000hr
100hr 250hr 500hr Replacement
Check if there is
any crack, defor-
mation or rail
Visual In-
damage to the Operator
spection
work platform and
the installation
status
Check if equip-
ments operate
abnormally, have Visual In-
oil leakage and are Operator spection and
correctly installed Operation
(fulcrum pins,
Work etc.)
Platform
If pendulous
equipments oper-
Visual In-
ate normally and
Operator spection and
have any abnor-
Operation
mal noise or oil
leakage
Check if the joints
of belt attachment Visual In-
Operator
have any damage spection
or crack
Check if the bolts
Visual In-
of weighing sen- Operator
spection
sors is loosened
Boom: welding
crack, damage,
torsion, pressure
mark at overlap
joints, partial Visual In-
Operator
dents, cracks and spection
damages, and
Boom and
installation status
Retractable (fulcrum pins,
etc.)
System
Retractable oil
cylinder: opera-
Visual In-
tion, oil leakage
Operator spection and
and installation
Operation
status (fulcrum
Boom and
pins, etc.)
Retractable
System Retractable oil
cylinder: naturally
Operator
retractable, dents
and cracks
Balance valves: Visual In-
Adjust nut relaxed Operator spection and
status Operation
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XGA16Maintenance Manual
Derricking cylin-
der: operation, oil
Visual In-
leakage and in-
Operator spection and
Derricking stallation status
Operation
System of (fulcrum pins,
Boom etc.)
Derricking cylin- Visual In-
der :abnormal Operator spection and
heating Operation
Delivery
System of Check if owing
Visual In-
Cable Hy- chains are dam- Operator
spection
draulic aged
Pipeline
Rotary tables:
cracks, welding Visual In-
Operator
crack, deformation spection
and locking action
Slewing drive: Operator Visual In-
abnormal noise spection and
and oil leakage hearing
Hydraulic motor: Operator Visual In-
oil leakage and spection and
abnormal noise hearing
Swivel joints: Operator Visual In-
abnormal noise spection and
and oil leakage hearing
Slewing bearing:
Operator Operation
lubricant filling
If installation bolts
on slewing bear- Visual In-
Operator
ing and slewing spection
drive is loosened
Slewing
Mechanism Slewing bearing
and slewing drive:
abnormal noise, Visual In-
Operator
gear crack and spection
abrasion, and oil
sealing damage
Check and adjust
Repair Professional
spacing of slewing
Department Maintenance
mechanism
Weights: installa-
tion status and Visual In-
Operator
crack on lifting spection
hook
Visual In-
Slewing drive:
Operator spection and
replace lubricant
Operation
Slewing drive:
abnormal noise, Visual In-
Operator
oil residual and spection
pollution
Engine
Power Strictly follow engine maintenance manual for
Engine
System inspection and maintenance
Operator Visual In-
Engine starts with
spection and
abnormal noise
hearing
Check oil level
Operator See engine
and oil leakage
maintenance
At least once
Replace engine oil Operator manual
per year
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Steering hydraulic
cylinder: pressure
marks, crack, Visual In-
bending, scratches Operator spection and
and installation Operation
status (fulcrum pin
etc.)
Operation
Break: efficiency Operator and Visual
Inspection
Frame: defor-
Visual In-
mation and weld- Operator
spection
ing crack
Hydraulic cylinder
Visual In-
(axle extending
Operator spection and
out): action and oil
Operation
leakage
Hydraulic engine: Visual In-
oil leakage and Operator spection and
abnormal noise hearing
Hydraulic pump:
Visual In-
abnormal heating
Operator spection and
and installation
Hand Feel
status
Hydraulic pump:
pressure of relief Operator Operation
valve
Hydraulic oil tank:
Hydraulic hydraulic oil level
System above the scale of
Visual In-
100oC of the liq- Operator
spection
uid temperature
and liquid level
meter
Hydraulic oil tank:
air breather Visual In-
Operator
blocked and oil spection
filter polluted
Oil filter: installa-
Visual In-
tion status and oil Operator
spection
leakage
Hydraulic Oil filter element:
System replace the ele- Operator Operation
ment
Various values: Visual In-
action and oil Operator spection and
leakage Operation
Various values:
Hearing and
abnormal noise Operator
Hand Feel
and heating
Hard and soft
Visual In-
tubes, joints: oil Operator
spection
leakage
Hard and soft
tubes, joints:
Visual In-
crack, damage, Operator
spection
loosening, aging
and torsion
Hydraulic oil ra-
Visual In-
diator: oil leakage
Operator spection and
and motor with
hearing
abnormal noise
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Hydraulic oil shall not flow onto the ground within normal arrange.
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1. Replace mer.
Methods to remove and maintain the rotary mo- Before installation of any part inside of the
injury.
motor by themselves. If there is any problem Mixed oil is not allowed to use.
in the motor, please directly contact with the
b. There are more than one wet brake installed
closest XCMG office.
on the slewing reducer and the brakes are
You must remember the installation location under normal close status. When pressure oil
of each joint and part during removing. comes into the brake, the brake opens and
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XGA16Maintenance Manual
Slewing Bearing
Oil Discharge
Port Slewing bearing is the bearing equipment of the
Remove the drain stopper and filling plug to ex- slewing part and the loads.
haust oil in the reducer as well as oil in the 1. Lubrication of Slewing Bearing
brake.
Proper lubrication is a must to the durability of
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XGA16Maintenance Manual
Generally, it's recommended to lubricate once case of any abnormality, timely fasten the
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bearing (big gear wheel) on the slewing reducer. b. Loosen the installation bolt (serial number
If the clearance is too tight, it will cause un- 3), without screwing out completely;
N·m;
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4-4 Power System
1 4 Engine
tion bolt 4. Reducer 5. Motor Proper maintenance of engine oil filter is of great
a. Loosen the locknut (serial number 1), with- Replace filter after 200h-250h operation. The
out screwing out completely; replacement procedures are as follows:
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XGA16Maintenance Manual
1. Use the special filter wrench to dismantle through the central threaded hole, so as to
the filter element to be replaced in the avoid unfiltered engine oil being access to the
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Proper maintenance of oil-water separator is of The procedures for discharging water from
great importance to ensure the smooth operation oil-water separator are as follows:
1. Base assembly
Do not completely empty the filter bowl.
2. Oil-water sepa-
rator assembly
c. Clean the diesel fuel spilt out during the op-
3. Catchment cup
assembly eration process.
4. Drain plug
d. Start the engine by turntable control panel,
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XGA16Maintenance Manual
may require more frequent replacement of filter e. Fill the filter element and filter bowl with
element. clean diesel oil.
washer.
Engine fuel is inflammable, tending to explode
and cause fire. Carry out such operation in a g. Install the filter element/ filter bowl assem-
place which is open, well ventilated and far bly to the top of filter, and screw it by hand
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exhaust air of oil way. Maintaining the air filter of engine to be in good
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Radiator
Travelling reducer
Use compressed air to blow out sundries (dust
Tyre
and bug) in the radiator or spray water (in the
otherwise, radiator may be damaged. Water gun The wheel consists of tyre and rim. Its functions
should continuously move in cleaning. are: to support the vehicle; to ensure well adher-
To avoid damaging parts, do not direct water gun ence to road and transmit driving moment and
1. Rim check
a. Rim rust;
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XGA16Maintenance Manual
b. Rim bending and deformation; cord and other deficiency affecting use, abnor-
should be provided. If it is only the peeling Following aspects should be considered in wheel
removal.
a. Do not collide and damage thread on the
wheel bolt.
with the new should be provided for condi- d. Smear few grease or engine oil on threads of
tions aforesaid. wheel bolt and nut and wheel spigot and its fit-
ting surface.
2. Wheel should be subject to periodic inspec-
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During tyre installation, attention should be til the oil overflows from the horizontal plug.
paid to:
e. Install plug back into the hole.
Travelling reducer
1. Oil injection
See following figure for oil injection. Operation Figure 4-13 Oil Injection and Drainage for
horizontal status, as shown Figure 4-13. See the diagram for separating unit of travelling
b. The other refueling plug shall be above the reducer. Procedures of separation are as follows:
c. Remove two plugs. b. Insert the M6 bolt into the threaded hole of the
d. Refuel the reducer through the upper plug un- sun gear which located in low torque planetary
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c. Remove the sun gear. The front balance axle is connected to the frame
Figure 4-14 Travelling reducer separating unit the cylinders will be unlocked, and vice versa.
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retract the left balance cylinder (elevate the When the arm frame is in folding position and
front left tire) and extend the right balance driving mode is selected, the front axle will be
cylinder (lower the front right tire). balanced automatically.
3. Use a proper container to catch the residual case there is any suspicion on improper oper-
hydraulic fluid and place the container below the ations of the system.
4. When the left axle balance cylinder is frame shall be retracted, declined and placed
retracted, open the upper vent valve of right bal- in the middle of rear wheels.
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is on the top inclined surface of the stop block. 8. Repeat the same test procedures to check the
7. Retract the big arm into the folding position and pressure regulation
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5. Balance oil cylinder 6. Pilot valve 7.Steering cylinder 8. Travelling control valve
Figure4-15 Positions of main hydraulic elements and regulating valve of lower vehicle
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1. high pressure oil filter 2. main oil pump 3. rotary motor and rotary reducer 4. Slewing
Figure 4-16 Positions of main hydraulic elements and regulating valve on rotary table
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section arm 5. Luffing balance valve 6. lower leveling cylinder 7. Leveling Balance Valve
8. Telescopic Balance valve 9. No. 1 arm amplitude cylinder 10. Luffing balance valve
Figure 4-17 Positions of main hydraulic elements and regulating valve at boom
2. See Table 4-1 for checking and regulating pressure for hydraulic system.
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The pressure for variable pump and all balance valves are set in factory. If any regulation is re-
Please refer to Table 3-2 for details of the hydraulic cylinders for this vehicle. If any cylinder is faulty,
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placement is allowed.
rings and the sealing of oil filter components 4. Pull out filter element and properly treat it.
should be checked and provide replacement
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Tighten oil suction flange from the oil tank. The oil
Figure 4-22 Oil draining plug a. Before dismantling oil pump, extract oil suck-
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oil circuit.
b. Remove cable connecting the motor and mark.
a. Remove the hydraulic hoses connected with and use clean, acid free and acid resistant grease
sirable;
In removing oil hose, connector should be
c. Regularly check air outlets at two sides of
slowly removed and loosened, avoiding high
upper battery cover. Prevent the outlets from be-
hydraulic pressure spraying and causing
ing blocked by dirt and ice water, causing the
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XGA16Maintenance Manual
deformation of battery case. rent is close to zero value and the stable state
and high temperature. Do not charge the battery See notice for use on the battery for charging
pole;
pole of power is connected to that of battery and Do not incline or knock the battery.
so as negative pole.
4. Installation of rechargeable battery
0.5C20A (C20 is the 20 h capacity of the battery). b. Touch the ground point in the cab, in order
When charge voltage does not rise, charge cur- to prevent spark from incurring;
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Platform weigh-
ing switch
Weighing mech-
anism
actions automatically.
switch
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a. In case the load of platform is less than 230kg Major replacement or major repair should be
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Memorandum
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Memorandum
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For the repair of electric control system and hydraulic system, it should be performed by the
professionals. If special faults that are not mentioned in this manual is encountered, please con-
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The hydraulic oil in leveling system Supply hydraulic oil to leveling sys-
Platform cannot level in is insufficient tem
13 operation The set pressure of leveling over-
Increase to set pressure
load valve is too low
14 Platform cannot swing System pressure is too low Increase system pressure
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Memorandum
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Memorandum
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Memorandum
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Memorandum
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Chapter 7 Appendix
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5 Platform control
valve SANT/Shengbang
6 Luffing cylinder
7 Steering cylinder
Chengdu Chenggang Hydraulic Equip-
8 Leveling cylinder
ment Manufacturing Co., Ltd. /Xuzhou
9 Jib cylinder XCMG Hydraulic Parts Co., Ltd.
Telescoping cylin-
10 der
Ningbo Zhongyi Hydraulic Motor Co.,
11 Rotary motor
Ltd.
97
XGA16Maintenance Manual
Signature
Content of maintenance and
S/N Item of main- Date Remark
repair
tainer
98
XGA16Maintenance Manual
99
Memorandum
100
XGA16Maintenance Manual
Tel:+86-516-83461280 87888290
Fax:+86-516-87888163
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Service Fax:+86-516-87888163
101