TM 5-3610-287-24
ALIGN EXPANDING SIDE GEAR MECHANISM (CONT)
3-18.
Rotate front speed reducer shaft (7) left or right until teeth counts
4.
on front and rear lower gear racks are equal. Then align two opposing
holes in timing device plates (6).
CAUTION
Hex bolts must be installed off centerline of shaft
assembly. Failure to correctly install these bolts will
result in undue strain on connecting shafts.
5.
Secure timing drive plates (6) with hex bolts (5), lockwashers, and hex
nuts (4).
Test operate by expanding and retracting expanding sides.
6.
Install front cover plate (3) with screws (1) and hex bolts (2).
7.
REPAIR EXPANDING SIDE GEAR MECHANISM
Expanding side gear mechanism is repaired by replacing: Vertical gear rack
positioning roller assembly.
VERTICAL GEAR RACK POSITIONING ROLLER ASSEMBLY
INITIAL SETUP
Tools
Master mechanic's tool kit (appendix B, section III, item 18)
Socket wrench set
Pry bar
Steel rule
Materials/Parts
Vertical gear rack positioning roller assembly, 54-0186
Equipment Conditions
Section level and expanded (TM 5-3610-287-10, para 2-6)
3-34