Lift Cylinder - TM-10-3930-625-120060

(3) Inspect leaf chain for:

Specification PD-680) and then flexing the joint. If the

(a) Cracked side plates. If one cracked plate is

tight joint fails to loosen readily, replace both chains.

e. Installation. Installation of the chain is the

found, replace both chains.

reverse of removal.

NOTE

f. Service and Adjustment.

Checking for cracked plates requires

(1) Lubricate chain and upright assembly as

a close visual inspection after

required by Army Lubrication Order LO 10-3930-625-12.

carefully cleaning the chain. Most

(2) Adjust chain length to equalize the

cracks occur at the pitch holes and

loading on both chains (fig. 4-13).

run out to the edge of the side plates

(a) Lower carriage so that forks rest

at an angle perpendicular to the pitch

on ground.

line.

(b) Loosen jam nut on one upper

WARNING

chain block.

Do not attempt any repairs to a lift

chain.

required.

(b) Elongation due to wear. Inspect

(d) Tighten jam nut.

that portion of the chain which flexes over the chain

(e)

Repeat for second chain if

rollers for joint wear. If check indicates elongation due to

necessary.

wear, replace both chains.

4-45. Lift Cylinder

NOTE

a. Clean with an approved solvent (Federal

Elongation due to wear is most easily

Specification P-D-680) and dry thoroughly.

checked while the chain is on the

b. Inspect for breaks, cracks, leaks, loose or

truck.

missing hardware, or other defects.

c. Tighten loose mounting hardware.

bent pins, bent plates or peened over plate edges which

4-46. Tilt Cylinder

will result in tight joints. If tight joints are evident, attempt

a. Removal (fig. 4-7 and 4-14).

to loosen them by applying cleaning solvent (Federal

4-25