TM-9-2320-283-20-1
TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, M915A1
TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE PART 1 OF 3
DECEMBER 1983
TM-9-2320-283-20-1 - Page 83 of 926
TM 9-2320-283-20-1
PRINCIPLES OF OPERATION.
1-18.
REAR TANDEM AXLES.
a.
Rear Tandem Axle Components.
HUB AND DRUM ASSEMBLY.
Serves as mount for rear wheels.
Houses brake shoe assemblies which can be
mechanically forced against it to slow or stop vehicle.
FILLER PLUG.
Used to inspect oil level and replenish oil supply.
AXLE SHAFT.
Located inside axle housing.
Transmits power from differential gear assembly to hub assembly.
INTERAXLE PROPELLER SHAFT.
Transmits power to rear-rear axle.
BREATHER.
Allows fumes from hot oil to escape.
PINION YOKE.
Connects to propeller shaft from transmission.
MAGNETIC
STRAINER.
Keeps lubrication system clean.
Magnet traps small particles and screen blocks out large
particles of foreign material.
DIFFERENTIAL LOCKOUT CHAMBER
Air actuated by lockout switch located in cab interior.
(Refer to para 1-18b for
description).
DRAIN PLUG.
Allows draining oil at service intervals.
1-63
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