Figure 3-8. Contactors, SCR panel, fuse holders and terminal strips, and time delay relay, removal and installation.

TM 10-3930-611-35

Figure 3-8. Contactors, SCR panel, fuse holders and terminal strips, and time delay relay, removal and installation.

gland bearings. Inspect all other parts for breaks,

(2) Install the lift chain, forks, lifting

cracks, bends, elongated mounting holes, defective

carriage and load backrest.

seals and other defects.

3-10. Mast Assembly

(3) Replace first stage filter screen if

a. Removal

clogged. Replace piston rods if base metal is visible.

Replace or rework piston rods if pitting marks are

(1) Remove the headlight (TM 10-3930-

deeper than 0.020 inch. Replace wiper and o-rings if

611-12).

deteriorated. Replace wear rings if damaged or if

(2) Refer to figure 3-11 and remove the

clearance between ring and cylinder exceeds 0.020

mast assembly.

b. Disassembly. Refer to figure 3-12 and

inch. Replace gland bearings if clearance exceeds

0.015 inch. Replace defective seals and other defective

disassemble the mast assembly.

c. Cleaning, Inspection and Repair.

parts.

d. Reassembly. Refer to figure 3-10 and

(1) Wash all parts in a dry cleaning

reassemble the lift cylinder.

solvent (Federal Specification P-D-680) and dry

e. Installation.

thoroughly.

(1) Refer to figure 3-9 and install the lift

cylinder.

3-10