DHIM C/S

TESTING & ADJUSTING

New Solar V

Customer Support Team, DHIM

Preface DHIM C/S

▣ Effective Models
- S140W-V, S180W-V, S210W-V, S175LC-V, S225LC-V, S255LC-V
- S300LC-V, S340LC-V, S420LC-V, S470LC-V

▣ Contents
I. Engine Control Cable & Speed XV. Cycle Times
II. Auto Idle Engine Speed XVI. Specification
III. Standard Mode Engine Speed XVII. Test & Adjustment record Chart
IV. Pilot Pressure XVIII. Test Tools
V. Main Relief & Pressure Up
VI. Power Shift Current & Pressure
VII. Speed Sensor
VIII. Working Mode
IX. Negacon Pressure
X. Px (PA) and Py(PT) Pressure
XI. High Travel Speed Signal
XII. Travel Motor Pressure
XIII. Swing Motor Pressure
XIV. Rock Breaker Flow Control Signal
I. Engine Control Cable & Speed DHIM C/S

Max
A

Min

1. Key Switch “On”, Auto Idle “Off” and Engine Control Dial Max position.
2. Adjust A point till the injection pump throttle lever contacts maximum speed stopp
er. Next have the cable stretched more by 1mm for the cable to have tension by its s
pring.
3. Turn the engine control dial to Min. position.
4. Check if the throttle lever contacts the minimum speed stopper screw.
5. If the lever doesn’t contact the stopper, move the cable to the next hole on the lever
at adjusting point B.
6. Repeat the above step 1 ~ 5.
II. Auto Idle Engine Speed DHIM C/S

Max

Min

1. At normal working temperature, start the engine and turn the dial to max position.
2. Auto Idle “On”.
3. Observing the engine speed on monitor panel, adjust “VR1” so that the engine speed is t
he specified value of auto idle speed as per each model.
Note) When adjusting the “VR1” or other VR’s, you need a very small flat blade “NON
CONDUCTIVE” screw driver.
III. Standard mode Engine Speed DHIM C/S

Max

Min

1. At normal working temperature, start the engine and turn the dial to max position.
2. Auto Idle “Off”.
3. Observing the engine speed on monitor panel, adjust “VR2” so that the engine speed is th
e specified value of Standard mode as per each model.
Note) When adjusting the “VR2” or other VR’s, you need a very small flat blade “NON
CONDUCTIVE” screw driver.
IV-1. Pilot Pressure – Tandem Pump DHIM C/S

1. Tools : 60 bar gauge, Tee type test adapter.

2. Test Condition :50 ℃ of hyd oil temp.
3. Procedure
1) Turn the engine speed to “Min” and check the pressure.
2) Turn the engine speed to “Max” and check the pressure.
3) If necessary, adjust the pilot pump relief valve setting screw “A” after loosening t
he lock nut of its own.

Relief Pressure
@ Min. engine speed Above 35 bar
@ Max. engine speed Low pressure value + 8 bar, max.
IV-2. Pilot Pressure – Parallel Pump DHIM C/S

1. Tools : 60 bar gauge, Tee type test adapter.

2. Test condition : 50 ℃ of hyd oil temp.
3. Procedure
1) Turn the engine speed to “Min” and check the pressure.
2) Turn the engine speed to “Max” and check the pressure.
3) Relief valve pressure is set by the thickness and numbers of shim inserted.

Relief Pressure
@ Min. engine speed Above 35 bar
@ Max. engine speed Low pressure value + 8 bar, max.
V-1. Main Relief &Pressure Up : DX Control Valve DHIM C/S

1. Tools : 60 bar gauge, Tee type test adapter.

2. Test Condition : 50 ℃ of hyd oil temp, Power up button “On”, Engine max speed
3. Procedure
1) At boom up stall, record the main pressure on monitor panel & the pilot pressure o
n the gauge installed.
2) With the pressure up button on the right joystick pressed, stall the boom cylinders a
nd record the main pressure on monitor panel & the pilot pressure on the gauge.

Push Button Operation Main press (bar) Pilot press (bar)

Released Cyl Stall 330 ± 5 % Near Zero
Pressed Cyl Stall 350 ± 5 % 35 ~ 45
V-1. Main Relief &Pressure Up : DX Control Valve DHIM C/S

☞ Main Relief Valve Adjustment

1 2

1. Loosen the upper jam nut and turn #1 clockwise till it is fully seated.
2. Loosen the lower jam nut and adjust #2 till the “Pressure – Up value” is obtained.
3. Tighten the lower jam nut with #2 fixed.
4. Trun out #1 till the “Main relief pressure value” is obtained.
5. Tighten the upper jam nut with #1 fixed.
6. Recheck if both pressures are correct and if necessary, make final adjustment.
V-2. Main Relief &Pressure Up : KVMG Control Valve DHIM C/S

☞ Tools , Test Condition, Procedure and Spec : Same as DX control valve.

V-2. Main Relief &Pressure Up : KVMG Control Valve DHIM C/S

☞ Main Relief Valve Adjustment

1 2

1. Loosen the upper jam nut and turn #1 clockwise till it is fully seated.
2. Loosen the lower jam nut and adjust #2 till the “Pressure – Up value” is obtained.
3. Tighten the lower jam nut with #2 fixed.
4. Trun out #1 till the “Main relief pressure value” is obtained.
5. Tighten the upper jam nut with #1 fixed.
6. Recheck if both pressures are correct and if necessary, make final adjustment.
VI. Power Shift Current & Pressure DHIM C/S
Caution.
The test meter goes “IN SERIES” between
male and female bullet connector!!

Note.
To check the power shift current,
use the “Special Menu” of monitor panel.
VI. Power Shift Current & Pressure DHIM C/S

S175LC-V, S180W-V,
S340LC-V, S420LC-V,
S470LC-V

S300LC-V
VI. Power Shift Current & Pressure DHIM C/S

1. Tools : 60 bar gauge, Tee type test adapter, Test meter, test harness.
2. Test Condition : 50 ℃ of hyd oil temp, Engine max speed
3. Procedure
1) Select Power Mode.
2) Measure the power shift pressure current and pressure and record the value.
3) Briefly operate boom up or arm dump, observe the pressure and current again.
4) Select Standard Mode.
5) Measure and record the power shift pressure and current.
VI. Power Shift Current & Pressure DHIM C/S

Power mode Operation Current (mA) Press (bar) Remarks

Power mode No load 600±20 29±4 Below 25 ton Excavator
Loaded 300 ~ 600 10 ~ 29 Except S175LC/S180W-V
STD mode Both 0 Below 5

Power mode Operation Current (m Press (bar) Remarks

A)
Power mode No load 600±20 Below 5 S300LC-V
Loaded 300 ~ 600 0 ~ 20
STD mode Both 0 39 ± 4
Power mode Operation Current (m Press (bar) Remarks
A)
Power mode No load 600±20 Below 5 S175LC-V, S180W-V
Loaded 300 ~ 600 0~9 S340LC-V, S420LC-V
STD mode Both 0 18 ± 4 S470LC-V
VII. Speed Sensor DHIM C/S

Gap : 0.75 ~ 1.0 mm

1. Tools : Test meter, test harness.

2. Test Condition : No special mode
3. Procedure
1) Start the engine.
2) Disconnect the speed sensor terminal from main harness and install the test harn
ess to the end terminal of speed sensor (open circuit)
3) Connect the test leads of test meter to the test harness, measure the output AC vo
ltage and compare the measured value with below spec.

Spec : over 6 AC volts @ low idle engine speed

VII. Speed Sensor DHIM C/S

Adjustment

1. Procedure
1) Stop the engine.
2) Loosen the lock nut of speed sensor.
3) Turn in the speed sensor till it gently makes contact with the tooth of ring gear.
4) Turn out the speed sensor 1/4 ~ 1/2 turn from the contact position.
5) Tighten the lock nut.

Speed Sensor Failure Check

Resistance(Ω) Remark
Resistance between two terminals 1,750 ~ 2,050 Out of range, failure
Resistance between on of terminal and body Infinite
 VIII. Working Mode DHIM C/S

1. Tools : 60 bar gauge, Tee type test adapter.

2. Test Condition : 50 ℃ of hyd oil temp.
3. Procedure
1) Start the engine.
2) With Trenching mode selected, doing swing operation, observe the pressure on gauge.
3) At Digging mode, observe the pressure on gauge.

Mode Trenching mode + Swing Digging mode

Pressure Same as joystick pressure of swing 0
 IX. Negacon Pressure DHIM C/S

1. Tools : 60 bar gauges, Tee type test adapters.

2. Test Condition : 50 ℃ of hyd oil temp., max engine speed
3. Procedure
1) Start the engine and maximize the engine speed.
2) Observe and record the negacon pressure on the gauges.
3) At arm crowd or boom up full operation, observe and record the negacon pressures.

Condition Negacon Pressure (bar)

Pilot Control Lever in Neutral 40 ± 5
Pilot Control Lever in Full Position Below 8
X. Px(PA) and Py(PT) Pressure DHIM C/S

Px
Py

PT

PA
 X. Px(PA) and Py(PT) Pressure DHIM C/S

1. Tools : 60 bar gauges, Tee type test adapter(Px), Straight type test adapter(Py).
2. Test Condition : 50 ℃ of hyd oil temp., max engine speed
3. Procedure
1) Start the engine and increas the engine speed to the max.
2) Operate any of front actuators gradually while observing Px(PA) and Py(PT). Record t
he values observed.
3) Operate any of travel motors gradually while doing Px(PA) and Py(PT). Record the va
lues.

Note ) Px(PA) and Py(PT) pressures should increase sharply just before the front or travel motors
begin to move. They are very sensitive to the touch of joysticks or pedal valve.

Condition Px (PA) (bar) Py (PT) (bar)

Neutral Below 7 Below 7
Front Operation Above 35 Below 7
Travel Operation Below 7 Above 35
XI. High Travel Speed Signal Pressure DHIM C/S

1. Tools : 60 bar gauge, Tee type test adapter

2. Test Condition : 50 ℃ of hyd oil temp., Auto Travel Speed Switch “On”.
3. Procedure
1) Start the engine and increas the engine speed to the max.
2) Operate travel motors slowly and record the pressure on the gauge.
Conditions Necessary for High speed travel Signal
1. Over 1400 rpm of engine speed Above 35 bar
2. Py(PT) pressure switch energized
3. Both main pressure, below 270 bar
XII. Travel Motor Pressure DHIM C/S

1. Tools : 600 bar gauges, Straight type test adapter

2. Test Condition : 50 ℃ of hyd oil temp., Travel Stall
3. Procedure
1) Fix the position of machine by pushing the bucket teeth into the ground to make a
travel stall condition.
2) Operate travel motors smoothly forward and reverse and record the pressure on th
e gauge.

Condition Inlet Pressure (bar) Outlet Pressure (bar)

Stall 320±10 Approx 15
XIII. Swing Motor Pressure DHIM C/S

1. Tools : 600 bar gauges, Straight type test adapter

2. Test Condition : 50 ℃ of hyd oil temp., Swing Stall
3. Procedure
1) Fix the position of upper structure by pushing the bucket teeth into the ground to
make a swing stall condition.
2) Operate swing motors smoothly left and right and record the pressure on the gaug
e.

Condition Inlet Pressure (bar) Outlet Pressure (bar)

Stall Relief Pressure Approx 10
(Varies by model)
 XIV. Rock Breaker Flow Control Signal DHIM C/S

1. Tools : 60 bar gauge, Straight type test adapter

2. Test Condition : 50℃ of hyd oil temp, Breaker selection switch “On”, max engine speed
3. Procedure
1) Pressing the breaker button on the top of right joystick, record the pressure of C4 po
rt of breaker package valve.
2) If necessary, adjust the C4 cartridge after loosening the lock nut using L wrench.

Breaker Button C4 Pressure (bar) Remark

On 16 ~ 18 Adjust the C4 Cartridge
(Should be adjusted by model) according to the spec.
 XV. Cycle Times – Travel Speed DHIM C/S

1. Objective : To measure the time required for 20 meter travelling of machine.

2. Preparation and test condition
1) Flat ground longer than 26 meters.
2) Equally adjusted track tension.
3) Warm the machine till hydraulic oil temperature is over 50 ℃.
4) Position the arm and bucket so that the bucket is 0.3 to 0.5 meters above the ground
like as the figure.
XV. Cycle Times – Travel Speed DHIM C/S

3. Procedures
1) Set the power mode to be Power Mode and work mode, Digging.
2) Set the Auto Travel Switch to be “Off”.
3) Set the engine speed to the maximum.
4) Begin travelling the machine in the “acceleration zone” making sure both travel lev
ers are in the full stroked position.
5) Begin timing the travel when the machine just passes the start line of the 20 meter t
est course.
6) End timing the travel when the machine just touches the end line of the 20 meter tes
t course.
7) Record the results fo the test.
8) Rotate the upper structure 180 degrees and repeat the procedure in reverse.
9) Perform travel speed measurements three times for each direction. Average the thre
e results for a performance data measurement value.
10) Set the Auto Travel Switch to be “On” and repeat the process.
 XV. Cycle Times – Travel Deviation DHIM C/S

1. Objective : To check how far the machine deviates from straight.

2. Preparation and test condition
1) Flat ground longer than 26 meters.
2) Equally adjusted track tension.
3) Warmed machine with hydraulic oil over 50 ℃.
4) Position the arm and bucket so that the bucket is 0.3 to 0.5 meters above the ground
like as the figure.
XV. Cycle Times – Travel Deviation DHIM C/S

3. Procedures
1) Set the power mode to be Power Mode and work mode, Digging.
2) Set the Auto Travel Switch to be “Off”.
3) Set the engine speed to the maximum.
4) Begin travelling the machine in the “acceleration zone” making sure both travel lev
ers are in the full stroked position.
5) Begin timing the travel when the machine just passes the start line of the 20 meter t
est course.
6) Trace the path of the track over the 20 meter test course using a taught string or by t
racing a line with a stick.
7) Measure the distance off from a straight course and the machine’s actual course ove
r the 20 meter test course.
8) Record the results of the test.
9) Rotate the upper structure 180 degrees and repeat the procedure operating the tracks
in reverse.
10) Perform travel speed measurements three times for each direction. Average the thre
e results for a performance data measurement value.
11) Set the Auto Travel Switch to the “On” position and repeat the process.
 XV. Cycle Times – Jack Up Travel Speed DHIM C/S

1. Objective : To measure the track operation speed with the track raised off the ground.
2. Preparation and test condition
1) On the track to be measured, mark one shoe with chalk or paint.
2) Equally adjusted track tension.
3) Warmed machine with hydraulic oil over 50 ℃.
4) Swing the upper structure 90 degrees and lift up the machine using fronts like as fig
ure.
XV. Cycle Times – Jack Up Travel Speed DHIM C/S

3. Procedures
1) Set the power mode to be Power Mode and work mode, Digging.
2) Set the Auto Travel Switch to be “Off”.
3) Set the engine speed to the maximum.
4) Operate the travel control lever of the raised track in either full forward or reverse.
After one revolution begin measuring the time required for the track to complete ex
actly three more revolutions.
5) Perform the procedure three times. Average the results to arrive at a performance da
ta value. Record the average value.
6) Repeat the same for the opposite direction of travel.
7) Turn the travel switch to the “On” position and repeat the above.
8) Repeat the entire process for the opposite track.
 XV. Cycle Times – Swing Speed DHIM C/S

1. Objective : To measure the time required to make three full revolutions.

2. Preparation and test condition
1) A flat level surface where there is ample room to safely swing the machine in a full
360 degree circle.
2) Warmed machine with hydraulic oil over 50 ℃.
3) With the are rolled out and the bucket rolled in, hold the bucket so that the height of
the bucket pin is the same height as the boom foot pin. The bucket should be empty.
XV. Cycle Times – Swing Speed DHIM C/S

3. Procedures
1) Set the power mode to be Power Mode and work mode, Digging.
2) Set the engine speed to the maximum.
3) Operate the swing control lever fully. After completing the first revolution begin ti
ming the duration required to complete exactly three full additional revolutions.
4) Operate the swing control lever fully in the opposite direction in the manner describ
ed above.
5) Perform the test three times and average the results to arrive at performance data.
XV. Cycle Times – Swing Coa ㄴ ting Angle DHIM C/S
1. Objective : To measure the angle of travel on the
swing bearing outer race which the upper
structure travels after swing stop.
2. Preparation and test condition
1) A flat level surface with ample room to safely swing
the machine in a full 360 degree circle.
2) Warmed machine with hydraulic oil over 50 ℃.
3) Arm rolled out, bucket rolled in, empty bucket, buck
et pin height is the same as the one of boom foot pin

3. Procedure
1) Set the power mode to be Power Mode and work mo
de, Digging.
2) Make two chalk marks : one on the lower structure a
nd the other on the swing bearing.
3) Swing the upper structure 360 degrees.
4) Operate the swing control lever fully and release it w
hen the two marks align.
5) Measure the distance between the two marks.
6) Align the marks and repeat the process in the opposit
e direction.
 XV. Cycle Times – Swing Motor Creep DHIM C/S

1. Objective : To check the superstructure for movement or drift when suspending a load
on a slope.
2. Preparation and test condition
1) Locate the machine on a smooth slope with a grade of 15 degree.
2) Warmed machine with hydraulic oil over 50 ℃.
3) With the are rolled out and the bucket rolled in, position the arm top pin height to b
e level with the boom foot pin.
4) Load bucket fully.
XV. Cycle Times – Swing Motor Creep DHIM C/S
3-1. Procedures – Swing Mechanical Brake “engaged”
1) Swing the upper structure to position it 90 degree to the slope.
2) Make an Alignment mark cross the lower structure and the swing bearing as shown.
3) Maintain the engine at low idle. After five minutes, measure the difference between
the alignment marks.
4) Performan the measurement in both directions.
Note ) With this procedure, we can measure the slipping amount between mechanical
brake discs built in swing motor.
3-2. Procedures – Swing Mechanical Brake “released”
1) Swing the upper structure to position it 90 degree to the slope.
2) Make an Alignment mark cross the lower structure and the swing bearing as shown.
3) Set the engine speed to be maximum and select the auto idle “On” then wait till the
engine speed drops to the auto idle set rpm.
4) Operate the arm dump slightly only utill the engine speed recovers and maintain it d
uring the measuring time of 5 minutes.
5) After five minutesnutes, measure the difference between the alignment marks.
6) Performan the measurement in both directions.
Note ) With this procedure, we can measure the slipping amount of swing motor caused
by internal oil leakage between swing motor, rotary parts, relief valve etc.
XV. Cycle Times – Swing Bearing Play DHIM C/S
1. Objective : To measure the swing bearing vertical play
using a dial indicator.
2. Preparation and test condition
1) Check the swing bearing fixing bolts for tightness
2) Check the lubrication of the bearing. Confirm that th
e bearing rotation is smooth and quiet.
3) Position the uper structure so that the boom aligns wi
th the tracks facing towards the front idlers. The buck
et should be empty.
4) Install a dial indicator with magnetic base on the trac
k frame as shown. The needle point should come in c
ontact with the bottom face of the swing bearing oute
r face.
XV. Cycle Times – Swing Bearing Play DHIM C/S

3. Procedures
1) With the arm rolled out and the bucket rolled in, position the bucket so that the heig
ht of the bucket is level with the boom foot pin.
2) Record the dial indicator reading (h1).
3) Lower the bucket to the ground and use it to raise the front idler 0.5 meter.
4) Record the dial indicator reading (h2).
5) Calculate the bearing vertical play (H) from this data : H = h2-h1.
XV. Cycle Times – Swing Bearing Backlash DHIM C/S
1. Objective : To measure the swing bearing backlash
using a dial indicator.
2. Preparation and test condition
1) Check the swing bearing fixing bolts for tightness
2) Check the lubrication of the bearing. Confirm that th
e bearing rotation is smooth and quiet.
3) Position the uper structure so that the boom aligns wi
th the tracks facing towards the front idlers. The buck
et should be empty.
4) Install a dial indicator with magnetic base on the trac
k frame as shown. The needle point should come in c
ontact with the head of one of the swing bearing mou
nting bolts.
XV. Cycle Times – Swing Bearing Backlash DHIM C/S

3. Procedures
1) With the arm and the bucket rolled out, position the bucket so that the height of the
bucket tooth point is above the ground about 10cm.
2) Rock the front implement left to right.
3) Record the dial indicator variation.
4) If a dial indicator is not available, measure the movement at the end of the bucket.
XV. Cycle Times – Cylinder Creep DHIM C/S
1. Objective : To measure cylinder creep which can
be caused by oil leakag
e in the control valve or cyli
nders.
2. Preparation and test condition
1) Warm the hydraulic oil over 50℃.
2) Load the bucket fully.

3. Procedure
1) Position the arm cylinder with the rod 50mm e
xtended from the fully retracted position.
2) Position the bucket cylinder with the rod retra
cted from the fully extended position.
3) With the arm rolled out and the bucket rolled i
n, position the bucket so that the height of the
bucket is equal to the boom foot pin.
4) Stop the engine and use a grease pencil or mar
ker to make marks on the cylinder rods.
5) After five minutes, measure and record the dis
tance the marks have moved.
6) Repeat all measurements three times and calcu
late the average values.
XV. Cycle Times – Front Implement Cycle Time DHIM C/S
1. Objective : To measure the cycle times of the boom,
arm and bucket cylinder functions.
2. Preparation and test condition
1) Warm the hydraulic oil over 50℃.
2) Power Mode, Diggine mode and max engine s
peed.

3. Procedure
1) To measure the boom cylinder cycle time, roll
out arm, roll in the empty bucket and lower th
e boom to the ground.
2) To measure the cycle time of the arm, roll in t
he bucket, the arm is placed vertical and the b
oom is lowered so the bucket is 0.5m above th
e ground.
3) To measure the bucket cylinder speed, have th
e side place edges are vertical as shown.
4) Measure the cycle time of each front impleme
nts.
5) Repeat the measurements three times and cauc
ulate the average values.
 XV. Cycle Times – Combined Boom and Arm DHIM C/S
1. Objective : To check the combined boom
and arm crowd functions.
2. Preparation and test condition
1) Warm the hydraulic oil over 50℃.
2) Empty bucket
3) Power Mode
4) Digging Mode
5) Max engine speed

3. Procedure
1) With the arm fully rolled out and the bucket rolled in, lower the boom to the ground.
2) Raise the boom and crowd the arm simultaneously – both to full stroke.
3) Measure the time required for the boom cylinder to be fully extended.
4) Repeat 1), 2) procedure and time the arm cylinder full extension.
5) Repeat all measurements three times and calculate the average values.
XVI. Specifications (1/3) DHIM C/S
Machine Model S 130-V(98ps) S 175-V S 225-V S 255-V

Spec Spec Spec Spec

Description Test Item Unit Tolerance Tolerance Tolerance Tolerance
(Power mode) (Power mode) (Power mode) (Power mode)

Engine standard rpm 2000 ±50 1,950 ±50 1,950 ±60 2,000 ±50
Speed Power rpm 2000 ±50 2,100 ±60 2,080 ±60 2,150 ±50
No load
Low Idle rpm 1000 ±50 1,100 ±50 1,050 ±50 1,050 ±50
Auto Idle rpm 1400 ±50 1,400 ±50 1,400 ±50 1,400 ±50
1 pump relief rpm 1800 over 1,900 over 1,900 over 1,950 over
Loaded
2 pump relief rpm 1800 over 1,900 over 1,900 over 1,950 over
Relief M ain Kgf/㎠ 330 0~+10 330 0~+10 330 0~+10 330 0~+10
Front
Pressure Up pressure Kgf/㎠ 350 0~+10 350 0~+10 350 0~+10 350 0~+10
Swing @ motor Kgf/㎠ 275 0~+10 280 0~+5 280 0~+10 285 0~+10
Travel @ motor Kgf/㎠ 330 ±10 320 ±10 330 ±10 330 0~+10
Arti boom @ pump Kgf/㎠ ━ ━ ━ ━ ━ ━ ━ ━
Dozer @ pump Kgf/㎠ 300 0~+10 ━ ━ ━ ━ ━ ━
Front Up sec 3.1 ±0.4 3.1 ±0.4 3.0 ±0.4 3.0 ±0.4
Boom
Speed Down sec 2.5 ±0.4 2.7 ±0.4 2.5 ±0.4 3.1 ±0.4
Crowd sec 3.4 ±0.4 3.5 ±0.4 3.5 ±0.4 3.7 ±0.4
Arm
Dump sec 2.3 ±0.4 2.7 ±0.4 2.6 ±0.4 2.6 ±0.4
Crowd sec 3.8 ±0.5 2.9 ±0.5 3.6 ±0.5 2.8 ±0.5
Bucket
Dump sec 2.0 ±0.3 2.1 ±0.3 2.3 ±0.3 2.2 ±0.3
Up sec 4.5 ±0.5 ━ ━ ━ ━ ━ ━
Dozer
Down sec 4.2 ±0.5 ━ ━ ━ ━ ━ ━
Swing TSB:15.0
Swing 3 revolutions sec ±1.0 15.5 ±1.0 14.5 ±1.5 16.4 ±1.0
Speed KHI:15.4
Travel On ground Low speed sec 21.5 ±1.0 21.0 ±1.5 23.5 ±1.5 20.6 ±1.0
Speed (20m) High Speed sec 15.0 ±1.0 15.0 ±1.0 13.5 ±1.0 14.3 ±0.7
Jack up Low Speed sec 24.5 ±1.5 26.0 ±2.0 33.0 ±2.0 29.0 ±1.5
(3turns) High Speed sec 17.3 ±1.0 19.0 ±1.5 18.0 ±1.5 20.0 ±1.0
Swing Swing
After 360˚ swing mm 723(69˚) ±180(±17˚) 744(71˚) ±178(±17˚ ) 1055(91˚) ±250(±20˚) 850(83˚ ) ±200(±20˚)
Coasting Bearing
Cylinder Front Boom & Arm mm/5min 5 w ithin 5 w ithin 5 w ithin 5 w ithin
Creep Bucket mm/5min 20 w ithin 20 w ithin 20 w ithin 20 w ithin
Travel
20m travel High & Low mm 150 below 150 below 150 below 150 below
Deviation
XVI. Specifications (2/3) DHIM C/S

M ac h i ne M ode l S 300-V S 340-V S 420-V S 470-V

Spec Spec Spec Spec
Description Test Item Unit Tolerance Tolerance Tolerance Tolerance
(Pow er M ode) (Power M ode) (Power M ode) (Power M ode)
Engine No load Standard rpm 1,850 ±60 1,900 ±60 2,050 ±60 2,050 ±60
Speed Power rpm 2,050 ±60 2,050 ±60 2,190 ±60 2,190 ±60
Low Idle rpm 980 ±50 980 ±50 980 ±50 980 ±50
Auto Idle rpm 1,400 ±50 1,200 ±50 1,200 ±50 1,200 ±50
Load 1 pump relief rpm 1,850 over 1,850 over 1,950 over 1,950 over
2 pump relief rpm 1,850 over 1,850 over 1,950 over 1,950 over
Relief Front M ain/Up pr Kgf/㎠ 330/350 0~+10 330/350 0~+10 320/350 0~+10 320/350 0~+10
Pressure Sw ing @ motor Kgf/㎠ 285 0~+10 270 0~+10 270 0~+10 280 0~+10
Travel @ motor Kgf/㎠ 330 ±10 330 ±10 320 ±10 320 ±10
Front Up sec 3.5 ±0.4 3.4 ±0.4 3.4 ±0.4 3.9 ±0.4
Boom
Speed Down sec 2.7 ±0.3 2.9 ±0.3 3.0 ±0.3 3.0 ±0.3
Crowd sec 3.8 ±0.4 4.8 ±0.4 4.4 ±0.4 4.6 ±0.4
Arm
Dump sec 2.8 ±0.3 3.3 ±0.3 3.1 ±0.3 3.1 ±0.3
Crowd sec 3.5 ±0.4 3.8 ±0.4 3.8 ±0.4 2.9 ±0.4
Bucket
Dump sec 2.6 ±0.3 3.1 ±0.3 2.9 ±0.3 3.0 ±0.3
Combined Boom Boom Up sec 4.8 ±0.5 6.0 ±0.5 6.8 ±0.5 7.5 ±0.5
Speed + Arm Arm Crowd sec 6.0 (△t=1.2±0.2) 6.8 (△t=0.8±0.2) 5.9 (△t=0.9±0.2) 7.5 (△t=0.0±0.2)

Sw ing 3 revolutions sec 16.5 ±1.5 20.3 ±1.5 19.4 ±1.5 17.5 ±1.5
Sw ing
Speed
Travel On ground Low Speed sec 22.5 ±1.5 23.7 ±1.5 22.6 ±1.5 23.5 ±1.5
Speed (20m) High Speed sec 14.4 ±1.0 15.8 ±1.0 13.5 ±1.0 14.5 ±1.0
Jack-up Low Speed sec 35.0 ±2.0 35.7 ±2.0 36.3 ±2.0 38.0 ±2.0
(3turns) High Speed sec 22.0 ±1.5 23.8 ±1.5 21.5 ±1.5 23.5 ±1.5
Sw ing Swing Bearing After 360˚ swing mm 1340(105˚) ±255(±20˚) 890(66˚) ±180(±13˚) 1000(75˚) ±200(±15˚) 1470(100˚) ±200(±15˚)
Coasting
Cylinder Front All mm/5min 20 20 20 20
w ithin within w ithin within
Creep

Travel 20m travel Low Speed mm 150 150 150 150

below below below below
Deviation
 XVI. Specifications (3/3) DHIM C/S
M ac h in e M odel S140W-V S180W-V S210W-V
Spec(OPT) Spec(OPT) Spec(OPT)
Spec(STD) Spec(STD) Spec(STD)
Description Test Item Unit Arti boom Tolerance Arti boom Tolerance Arti boom Tolerance
(Power mode) (Power mode) (Power mode)
(Power mode) (Power mode) (Power mode)
Engine No load Standard rpm 1750 1750 ±50 1,950 1,950 ±50 2,050 2,050 ±50
Speed Pow er rpm 1900 1900 ±50 2,050 2,050 ±50 2,150 2,150 ±50
Travel rpm 2370 2370 ±60 2,250 2,250 ±60 2,350 2,350 ±50
Low Idle rpm 900 900 ±50 1,180 1,180 ±50 1,150 1,150 ±50
Auto Idle rpm 1250 1250 ±50 1,400 1,400 ±50 1,400 1,400 ±50
Load 1 pump relief rpm 1700 1700 over 1,850 1,850 over 1,950 1,950 over
2 pump relief rpm 1700 1700 over 1,850 1,850 over 1,950 1,950 over
Relief Front M ain Kgf/㎠ 330 330 0~+10 320 320 0~+10 320 320 0~+10
Pressure Up pressure Kgf/㎠ 350 350 0~+10 350 350 0~+10 350 350 0~+10
Sw ing @ motor Kgf/㎠ 275 275 0~+5 280 280 0~+10 280 280 0~+10
Travel @ motor Kgf/㎠ 360 360 ±10 360 330 ±10 330 330 ±10
Front Boom Up sec 3.0 3.0 ±0.4 3.2 3.2 ±0.4 3.1 3.5 ±0.4
Speed Down sec 3.0 3.0 ±0.4 3.1 3.1 ±0.4 2.4 2.9 ±0.4
Arm Crowd sec 2.7 2.7 ±0.4 3.2 3.2 ±0.4 3.3 3.5 ±0.4
Dump sec 2.1 2.1 ±0.4 2.8 2.8 ±0.4 2.6 2.9 ±0.4
Bucket Crowd sec 3.5 3.5 ±0.5 3.2 3.2 ±0.5 2.3 3.6 ±0.5
Dump sec 2.0 2.0 ±0.3 2.3 2.3 ±0.3 2.3 2.4 ±0.3
Arti Up sec ━ 7.5 ±0.5 ━ 8.0 ±0.5 ━ 6.2 ±0.6
Boom Down sec ━ 5.0 ±0.5 ━ 5.0 ±0.5 ━ 4.4 ±0.6
Dozer Up sec 3.0 3.0 ±0.4 2.6 2.5 ±0.4 3.2 3.2 ±0.4
Down sec 2.5 2.5 ±0.4 2.8 2.3 ±0.4 2.8 2.8 ±0.4
Outrigger Up sec 2.5 2.5 ±0.4 3.3 3.8 ±0.4 3.9 3.9 ±0.4
Down sec 3.0 3.0 ±0.4 4.2 4.2 ±0.4 3.6 3.6 ±0.4
Sw ing 3 turns sec 13.5 13.5 ±1.0 15.5 15.5 ±1.0 14.7 14.7 ±1.0
Sw ing
Speed
Travel Jack up Low rpm 740 740 ±30 640 640 ±30 680 680 ±30
For
Speed (propellar High rpm 2760 2760 ±50 2430 2430 ±50 2650 2650 ±50
Shaft) Low rpm 740 740 ±30 640 640 ±30 680 680 ±30
Rev
High rpm 2120 2120 ±50 2430 2430 ±50 1950 1950 ±50
Sw ing Swing
After 360˚ swing mm 733(70˚) 733(70˚) ±180(±17˚) 880(84˚) 880(84˚ ) ±230(±20˚) 1089/(94˚) ← ±230(±20˚)
Coasting Bearing
Cylinder Front Boom mm/5min 5 5 w ithin 5 5 w ithin 5 5 w ithin
Creep Arm mm/5min 5 5 w ithin 5 5 w ithin 5 5 w ithin
Bucket mm/5min 20 20 w ithin 20 20 w ithin 20 20 w ithin
Under Dozer mm/5min 5 5 w ithin 5 5 w ithin 5 5 w ithin
Outrigger mm/5min 5 5 w ithin 5 5 w ithin 5 5 w ithin
XVII. Test and Adjustment Record Chart DHIM C/S
1. Engine Speed

Mode Specifications (rpm) Measured (rpm)

No load Loaded No load Loaded
Auto Idle
Standard mode
Power mode

2. Relief Pressure and Negative Control (Negacon) Pressure

Engine Main pump Main pump pressure Negacon pressure

Speed Neutral Joystick Neutral Joystick
Max stroke Max stroke
Low speed Front pump
Rear pump
Max speed Front pump
Rear pump
XVII. Test and Adjustment Record Chart DHIM C/S
3. Main pump pressures and Negacon Pressures

Function Front pump Rear pump Front negacon Rear negacon

Boom up

Boom down

Arm crowd

Arm dump

Bucket crowd

Bucket dump

Left swing

Right swing

Travel forward

Travel backward
XVII. Test and Adjustment Record Chart DHIM C/S
4. Px (PA) and Py (PT) Pressure

Front operation Travel operation

Px (PA) Py (PT) Px (PA) Py (PT)
Min engine speed
Max engine speed

5. Work mode valve secondary pilot pressure

Work mode Swing priority solenoid valve

Digging
Trenching

6. Power shift valve current and pressure

Mode Standard mode Power mode

No load Full load No load Full load
Current (mA)
Secondary pressure
Engine speed
XVII. Test and Adjustment Record Chart DHIM C/S
7. Power shift valve as per each operation

Arm cd Boom up Travel Bucket cd Arm cd + s

wing
Standard Current
Mode 2nd pressure
Power Current
mode 2nd pressure

8. Joystick secondary pressure at boom up operation

Neutral Slight operation Max operation

Secondary pressure

9. Swing motor pressures

Left swing stall Right swing stall
Min engine speed Pump Pa port Pb port Pump Pa port Pb port

Max engine speed

XVII. Test and Adjustment Record Chart DHIM C/S
10. Travel motor pressure

Forward Stall Reverse Stall

Pump Pa Pb Pump Pa Pb
Min engine speed Left motor
Right motor
Max engine speed Left motor
Right motor

11. Restriction valve pressure of return line

Neutral During swing Swing stop Arm dump

Min engine speed
Max engine speed
XVIII. Test tools DHIM C/S

1. Part number : 120-00002

- Coupling (M10x1.0 – M12x1.5)
- Pressure measure

2. Part number : 2181-2366D1

- PF 1/4” Tee adapter with M10x1.0
- Pilot line pressure measure

3. Part number : 2181-2366D2

- PF 3/8” Tee adapter with M10x1.0
- Pilot line pressure measure

Example
Tee adapter + Coupling
XVIII. Test tools DHIM C/S
4. Part number : 2181-2201D1
- PFO 1/4” adapter with M10x1.0
- Hydraulic motor pressure measure

5. Part number : 2181-2201D2

- PFO 3/8” adapter with M10x1.0
- Pump pressure measure

Example
Adapter + Coupling
XVIII. Test tools DHIM C/S

6. Part number : 2530-1488

- 2PR/2PT
- Power Shift Current measure
(KHI type pump)

7. Part number : 2530-1459

- 3PR/3PT
- Dial & TPS Voltage measure
Notes DHIM C/S