8.46
Steering and Suspensions
Progressive 121 Rail Assembly
Assembly Notes
• Never re-use lock nuts. Always replace with new
pa
rts.
• All pivots must rotate freely after tightening
fa
steners.
RAIL SLIDER
TRACK TENSIONER BLOCK
RAIL TIP
BOGIE WHEEL ASM.
RAIL BUMPER
INSIDE OF RAIL
A
B
C
D
D
E
SPACER
BOGIE WHEEL MOUNT
SUPPORT PLATE
BUMPER LINER
METRIC FASTENERS
A: 7.4 ft-lbs (10 Nm)
B: 4 ft-lbs (5.4 Nm)
C: Torque nut until screw protrudes 5mm
D: 17 ft-lbs (23 Nm)
E: 33 ft-lbs (45 Nm)
Some rail shaft fasteners are pre-coated with locking
agent. Never re-use these fasteners once removed.
Always use new pre-coated fasteners.
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