Hydraulic Carriage, Cleaning, Inspection and Repair

TM 10-3930-630-34

3-29.

Hydraulic Carriage, Cleaning, Inspection and

Repair

a. Clean parts with cleaning, compound

solvent (Fed. Spec. P-D-680).

b. Inspect backrest for cracked or broken

welds, and any bends or wear which could interfere with

heavy use.

c. Inspect carriage frame for cracked or

broken weldments, unusual wear or bending and

misalignment of vertical carriage supports.

NOTE

Examine stud weldments closely.

d. Repair parts by welding, if practical. When

welding bearing studs use the procedure outlined below.

NOTE

The following procedures apply to

carriage and mast bearing studs.

Figure 3-11. Carriage roller and stud locations.

(1) Remove the filler metal from around

channel or support. Refer to figure 3-11 or 3-12 for

the stud using a small, round grinder. Do not make any

dimensions and stud locations.

passes into the mast channel or carriage support.

(4) Comply with the following welding

Remove the stud from the channel or support.

specifications using bearing stud welding procedure

(2) Prepare the welding surface by

removing all foreign material such as rust, scale,

grease, etc. Any part that may be damaged by heat

should be removed before welding.

(3) Locate, tilt and align new stud on

mast

3-17