TM 5-3895-383-24
Piston Pump (Drum Propel)
SMCS Code: 3203; 5070
Part No: 159-9459
Illustration 5
Rotation from the drive end ............................................ clockwise
Pump variable displacement axial piston type
Displacement ...........................................56 cc/rev (3.41 cu in/rev)
(1) Hydraulic servo
(2) Manual directional control valve
(3) Pressure setting for the multifunction
valves ............................48000 ± 1700 kPa (6962 ± 247 psi)
(4) Pressure setting for the pressure override
valve........................................................ 45000 kPa (6527 psi)
(5) Torque for pump mounting bolt .......................240 ± 40 N m
(177 ± 30 lb-ft)
(6) Pressure setting for the charge pressure relief
valve.........................................2900 ± 140 kPa (421 ± 20 psi)
(7)
Interlock valve
NOTE:
Use SAE 10W hydraulic oil for the bench test. Oil
temperature must be a minimum of 38°C (100°F).
Test At Full Speed
Output .................................................. 123.2 L/min (32.5 US gpm)
Output pressure.................................................2070 kPa (300 psi)
Pump speed ....................................................................... 2200 rpm
Engine speed .................................................................... 2200 rpm
Output .................................................. 122.4 L/min (32.3 US gpm)
Output pressure...............................................6900 kPa (1001 psi)
Pump speed ....................................................................... 2200 rpm
Engine speed .................................................................... 2200 rpm
10-15
