TM-9-2320-273-10

LOCATION AND DESCRIPTION OF MAJOR COMPONENTS - CONTINUED

M915

TRAILER RAMPS - There are two steel ramps mounted on the frame rails adjacent to

the ﬁfth wheel. The trailer ramps help with alignment during coupling, and prevent the

trailer from contacting the vehicle frame or ﬁfth wheel too low during coupling.

FIFTH WHEEL - A ﬁfth wheel is mounted on the vehicle frame over the tandem rear

axles. Kingpin lock is air-actuated by a control lever in the cab.

SPARE TIRE HOIST - The spare tire hoist is for lifting the spare tire on and off the

carrier.

AIR HOSE TENDER - The air hose tender is located in front of the spare tire carrier

and supports a coiled air hose for connecting to the trailer.

SPARE TIRE CARRIER - The spare tire carrier, located directly behind the cab on the

vehicle frame, is a steel frame structure that holds the spare wheel and tire assembly.

EXHAUST STACK AND MUFFLER - The exhaust system stack and muffler, located

and supported by the right rear corner of the cab, routes engine exhaust above the cab.

BATTERY BOX - The battery box is located on the right frame rail below the cab

passenger door. The battery box contains four batteries and two steps for entering the

cab.

SPARE TIRE RACK - The spare tire rack is mounted to the left frame rail next to the

spare tire carrier. The rack assembly supports the hoist for lifting the spare tire on and

off the carrier.

DRIVING AXLES - The forward-rear and rear-rear axles are mounted to the rear

suspension assembly and function as the driving axles of the vehicle.

MUD FLAPS - There is a mud ﬂap mounted on each front fender and at the back of

the truck behind the rear tires.

TOWING PINTLE - The towing pintle, located at the center of the frame rear

crossmember, is provided for interface with trailers requiring a pintle.

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