TM-9-2520-238-34
M113A1 FOV, M113A2 FOV, M548 AND M548A1
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL; RIGHT ANGLE DRIVE, COOLING FAN; GEARCASE, TRANSFER; DRIVE ASSEMBLY, FINAL; DIFFERENTIAL, STEERING CONTROL; BRAKE, SINGLE DISK; CYLINDER ASSEMBLY, HYDRAULIC BRAKE
TM-9-2520-238-34 - Page 20 of 319
TM 9-2520-238-34
EQUIPMENT DESCRIPTION AND DATA — Continued
0002 00
TRANSFER GEARCASE B AND C.
Transfer gearcases B and C are used on the M113A2 FOVs. They are identical to
gearcase A except the pulleys on the hubs of the second intermediate gears has three grooves and both have a different type of
manual actuating engine disconnect remote control lever. Gearcase B has a two-groove pulley installed on the input shaft for
carriers with 100 ampere generators. Gearcase C has a three-groove pulley installed on the input shaft for carriers with 200
ampere generators.
Transfer Gearcases A through C, and E – Rear View
Transfer Gearcases A through F – Front View
TRANSFER GEARCASE E.
Transfer gearcase E is used as the service spare transfer gearcase for gearcases A through C. This
gearcase has one two-grooved pulley mounted on the input shaft. Mounting hardware is provided for a pulley on the second
intermediate gear and for a manual engine disconnect remote control lever. A dummy shaft replaces the differential oil pump.
In place of the ramp hydraulic pump there is an access cover plate.
0002 00-5
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