3-66. MAST ASSEMBLY REPLACEMENT
This task covers: Removal, Cleaning, Inspection, and Installation
Tools and Test Equipment:
General Mechanics Tool Kit (1, App. E)
Jack Stands, 2 ea. (8, App. E)
Sling (4, App. E)
Drain Pan (10, App. E)
Hoist (59, App. E)
Wrench, Open End, 1-1/16 inch (51, App. E)
Wrench, Open End, 1-1/8 inch (52, App. E)
Carriage assembly removed
Tilt mast assembly rearward. Attach lifting sling
to inner rail of mast assembly (1). Lift mast
assembly to a height of 2-1/2 to 3 feet.
Support mast assembly (1) by placing jack
stands under freelift cylinder mount base (2).
Lower mast assembly until it rests on jack
Remove lifting sling from mast assembly (1) and
attach to sideshift carrier (3). Lift sideshift carrier
to remove tension from freelift chain (4).