TM-9-2320-285-10
TRUCK TRACTOR, YARD TYPE, 43,500 LB GVW, DED, 4X2, ARMY MODEL M878A1
TECHNICAL MANUAL; OPERATOR’S MANUAL
JUNE 1985
TM-9-2320-285-10 - Page 19 of 121
TM 9-2320-285-10
Hydraulic Reservoir - Holds 7 gallons of hydraulic oil.
Supplies hydraulic fluid to system; provides fill and check point.
Drain plug located at bottom provides for draining oil and removing sediment.
Hydraulic power for system supplied by
hydraulic pump mounted on right hand side of transmission.
5th WHEEL lever - Connected by control cable to fifth wheel hydraulic valve.
Movement of lever causes spool in hydraulic
control valve to change position allowing hydraulic oil to flow to two hydraulic cylinders mounted on fifth wheel.
1-18.
EXHAUST SYSTEM (Continued)
1-19.
FIFTH WHEEL HYDRAULIC SYSTEM
1-14
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