TM 9-2350-256-20-1
UNIT MAINTENANCE
RECOVERY VEHICLE, FULL TRACKED: MEDIUM, M88A1
NSN 2350-00-122-6826, EIC AQA
MECHANICAL TRANSMISSION AND MAIN HYDRAULIC SYSTEM PUMP THEORY OF OPERATION
Mechanical Transmission and Main Hydraulic System Pump
The mechanical transmission and hydraulic pump assembly is mounted in the rear of the hydraulics compartment, under the
crew compartment subfloor plates. The engine drives the mechanical transmission (1) through the PTO drive shaft coupled to
the PTO coupling at the accessory end of the engine. The mechanical transmission drives the main hydraulic system pump (2).
The pump provides hydraulic system pressure.
Figure 1. Mechanical Transmission and Main Hydraulic System Pump.
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