CHAPTER 3 REPAIR OF MAST ASSEMBLY

TM 10-3930-632-34

CHAPTER 3

REPAIR OF MAST ASSEMBLY

Section I. GENERAL DESCRIPTION

3-1. General

3-2. Removal

The mast assembly is trunnion mounted to the drive axle

Remove the mast assembly (para 2-6a ).

adapter at the front of the lift truck so that it can pivot on

bushings installed on the adapter. The mast assembly

3-3. Disassembly

includes an inner rail which is roller mounted in the outer

rail, permitting free up and down movement of the inner

Refer to figure 3-1 and disassemble the mast assembly.

rail within the outer rail. Brackets are provided on the

To disassemble, lay the mast assembly flat so that it

mast assembly to mount the lift cylinder.

Sleeve

rests on the inner rail. Roll the outer rail along the inner

bearings are installed in the tilt cylinder brackets.

rail until the rollers stop its movement. Wrap a sling

around the outer rail cross bars and lift it from the inner

rail with a hoist.

3-1