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MAINTENANCE MANUAL Model 206L

LIFTING AND JACKING

TABLE OF CONTENTS

Chapter/
Paragraph Section Page
Number Title Effectivity Number Number

7-1 Lifting the complete helicopter ....................................................... All 7-00-00 7-3


7-2 Lifting the helicopter without main transmission ................... All 7-00-00 7-3
7-3 Lifting the tailboom only ................................................................ All 7-00-00 7-3
7-4 Jacking ............................................................................................. All 7-00-00 7-3

LIST OF ILLUSTRATIONS

Figure Page
Number Title Effectivity Number

7-1 Lifting and jacking helicopter ............................................ All 7-4

7-00-00
Rev. 18 7-1/7-2
BELL HELICOPTER COMPANY Model 206L
MAINTENANCE MANUAL

LIFTING AND JACKING

7-1. LIFTING THE COMPLETE HELICOPTER. Use a sling manufactured from belting material.
Position a man at each end of the tailboom to
1. figure
Attach a hoisting cable and clevis (2,figure steady tailboom in the sling.
7-1
7-1) capable of supporting the weight of the
helicopter to the eye provided in the main rotor 7-4. JACKING.
mast nut (1) at the top of the main rotor mast.
Connect a suitable hoist and take up the slack. CAUTION: A HOIST MUST BE USED TO
RAISE HELICOPTER CLEAR OF LANDING
Station a man at the tail skid to steady the GEAR WHEN REMOVING LANDING GEAR.
LID

2.
helicopter when hoisting. If lifting of the helicopter
is beyond arms reach from the ground, secure a PERSONNEL SHALL NOT CRAWL INTO OR
safety rope to the tail skid. ONTO THE HELICOPTER WHILE IT IS BEING
RAISED OR WHILE SUPPORTED ON JACKS.
3. Hoist the helicopter slowly with a constant AREA SHALL BE ROPED OFF AND WARNING
lifting force. SIGNS DISPLAYED, "THIS HELICOPTER IS
ON JACKS".
7-2. LIFTING THE HELICOPTER WITHOUT MAIN
TRANSMISSION. 1. When conditions require that the helicopter
be placed on jacks in an unsheltered area, the
1. Remove all loose equipment from cabin and following precautions shall be observed.
passenger compartment.
CAUTION: DO NOT PLACE HELICOPTER ON
Remove all loose or broken hardware (i.e., JACKS IF WIND VELOCITY EXCEEDS 20
,_,
2.
cowling, fairing, tailboom, etc.). KNOTS. HEAD HELICOPTER INTO THE
PREVAILING WIND.
3. If landing gear cross tubes are intact,
provide a four point sling from the cross tubes on PROVIDE SUITABLE SURFACE FOR THE
yon
Cpl
D.3
.C.

each side of the fuselage to a common clevis. Use JACKS TO REST ON (LEVEL HARD SURFACE
standard sling to provide lifting capability of a OR EQUIVALENT).
c.)
rte/]

minimum of 5000 pounds. Protect fuselage where


Ifs

ca'.

sling may contact with padding. a. Secure main rotor blades with main rotor
figure 7-1
tie-down (3, figure 7-1).
4. If lifting of the helicopter cannot be accom-
plished by use of a hoisting clevis or by a 4 point b. Place three hydraulic jacks (5) in their
u..

Vii
sling, a large cargo net may be used for lifting the respective positions under aft and forward jack
helicopter. Place a large cargo net under the fittings (4 and 6).
v..
((D
bor.

fuselage and attach the four corners of the cargo


a0.

bon

net to a hoisting clevis. c. Operate jack handles slowly, three


positions, being careful to keep helicopter level, as
Secure a safety rope to the toe of one it is raised to the desired height.
vas

5.
landing gear skid or tie-down fitting.
2. When lowering helicopter, slowly and
6. Hoist the helicopter slowly with a constant carefully lower the three jacks simultaneously.
;ml

lifting force.
'.O

a. Remove jacks and other equipment from


7-3. LIFTING THE TAILBOOM ONLY. area.
Hoist the tailboom as a separate component with a b. Check and secure any equipment that was
sling positioned at the tailboom center of gravity. moved due to the jacking operation.
t-L
00-00-L
0
1902
Model 206L

1. Main Rotor Mast Nut


2. Hoisting Cable and Clevis
3. Main Rotor Tie-Down
4. Aft Jack Fitting

1.6
5. Jack
6. Forward Jack Fitting
MAINTENANCE MANUAL

L206900-15

Figure 7-1. Lifting and jacking helicopter.

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