Lift Chains - TM-10-3930-621-120153

Note. Truck must be on a flat level surface to check and adjust

(6) Insert a brass drift through hole in pin and

mast tilt.

remove pin from cylinder and bracket. Remove cylin-

(1) Set protractor to measure 6 of tilt. Place

der from truck.

protractor against mast as shown. Tilt mast to end

of backward stroke as shown. Bubble in protractor

should be centered if tilt is correct.

ME 3930671 12/366

of meat tilt.

Figure 3-66. Checking degrees

c. Installation. Refer to figure 3-65 and install the

tilt cylinder as follows:

(2) If tilt is not correct, tilt mast to the forward

(1) Install tilt cylinder in position on truck. In-

position and loosen clamp screw (fig. 3-65) on yoke

stall pin through bracket and cylinder with hole in

at front end of tilt cylinders. Turn hex on cylinder

pin in line with pin retainer position.

piston rod to extend or retract rod as necessary to

(2) Install pin retainer through hole in pin and

adjust tilt.

secure with screw and lock washer.

(3) After adjusting, check degree of tilt. Continue

(3) Install pin through yoke and bracket at front

to adjust piston rod until 6 of backward tilt is ob-

of cylinder. Install washers with pin. Secure pin with

tained. Tighten clamp screw on yoke.

cotter pins.

(4) Forward tilt is automatically adjusted to

(4) Remove plugs from hoses and cylinder and

proper angle when backward tilt is correct.

connect hose assemblies to tilt cylinder.

3-76. Lift Chains

(5) Disconnect chain hoist from mast and operate

truck hydraulic system and check for leaks. Check oil

a. General. Extension of the two outer cylinders

level in hydraulic oil reservoir and add oil if neces-

of the cylinder cluster raise the chain bearing and

sary.

cross head. As the bearing raises the chains, which

d. Tilt Adjustment. Normal tilt of mast is 2 for-

are anchored on the rear to the cylinder cluster,

ward and 6 backward. Operate tilt cylinders and

chains raise the carriage. Chains raise the carriage

check tilt angle with a protractor as shown in figure

to the furthest extent of the cylinders.

3-66. Make sure both cylinders have reached the end

b. Removal.

of their stroke. Check both left and right sides of

(1) Lower the mast and carriage to the lowest

limit.

the mast assembly.

3-57