TM 5-3895-383-24
Piston Pump
SMCS Code: 5070; 5652
Part No.: 159-9453, 159-9454
Illustration 4
Rotation from the drive end ............................................. clockwise
(1)
Type of pump.........................variable displacement pump
Displacement ...................................... 46 cc/rev (2.8069 cu in/rev)
Charge pump............................................. internal 8.4 cc (051 in3)
(2)
High pressure relief valves ................................ 35000 kPa
(5076 psi)
(3)
Charge pressure relief valve ................................ 2950 kPa
(428 psi)
NOTE:
The charge pressure is measured at the charge
filter.
(4)
Drive shaft spline......................... "SAE B-B", "15t-16/32P"
Use 6V-4876 Lubricant on splines.
(5)
Solenoid for the fixed frequency pump
control ..............................................................21.7 2.0 ohms
Solenoid for the variable frequency pump
control ......................................................................24.6 2.0 ohms
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......................................................85.8 L/min (22.7 US gpm)
Output pressure...................................................690 kPa (100 psi)
Pump speed ....................................................................... 2200 rpm
Engine speed ..................................................................... 2200 rpm
Output......................................................84.9 L/min (22.4 US gpm)
Output pressure...............................................6900 kPa (1000 psi)
Pump speed ....................................................................... 2200 rpm
Engine speed ..................................................................... 2200 rpm
11-7
