TM-9-2320-280-20-1
TRUCK, UTILITY: M998 SERIES
TECHNICAL MANUAL; UNIT MAINTENANCE; VOLUME 1 OF 3
JANUARY 1996
TM-9-2320-280-20-1 - Page 84 of 888
TM 9-2320-280-20-1
Change 1
1-51
1 - 3 0 .
SUSPENSION SYSTEM OPERAT
I O N
The suspension system is identical for all models covered in this manual. It is an independent coil spring
type system. Major components of the suspension system are:
B
UPPER CONTROL ARM
– Connects geared hub to frame rail.
A
BALL JOINTS
– Connects geared hub to control arms, and allows change of angle between geared
hub and control arms during suspension movement.
D
GEARED HUB
– Serves as a mounting point for wheel and tire assembly and provides 1.92:1 gear
reduction to increase torque to wheel and tire assembly.
C
STABILIZER BAR (FRONT ONLY)
– Prevents vehicle sway when cornering.
E
LOWER CONTROL ARM
– Connects geared hub to frame rail.
F
SHOCK ABSORBER
– Dampens suspension movement and limits amount of suspension travel.
G
COIL SPRING
– Supports weight of vehicle and allows suspension travel to vary depending on
terrain and vehicle loading.
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