TM 9-2320-273-20
Section Vll FRONT AXLE AND SUSPENSION
2-17. INTRODUCTION.
The Model M915 is equipped with a non-driving front axle; the Models M916 thru M920 have a driving
front axle. (See power train illustrations in paragraphs 2-4 and 2-5.) Shock absorbers are used only on
the Model M915.
2-18. NON-DRIVING FRONT AXLE (M915).
1.
KNUCKLE AND KINGPIN ASSEMBLY (Shown with drum removed). Movable joint between
the wheel and axle l-beam.
2.
STEERING ARM. Connects to power steering drag link (see para 2-76).
3.
DRUM. Houses the wheel brakes. Serves as mount for front wheels.
4.
TIE ROD ASSEMBLY. Connects left and right knuckles for synchronized movement of both
wheels.
5.
SHOCK ABSORBERS (M915). Supplement spring and stabilize spring fluctuations caused
by road surface variations.
6.
LEAF SPRINGS. Absorb and minimize the amount of road shock transmitted to the vehicle
frame.
7.
SHACKLE. Swinging support that permits the leaf spring to vary in length as it is deflected.
8.
BRAKE Al R CHAMBER. When pressure is supplied to the chambers from the air system,
they mechanically activate the brake mechanism.
2-15
