TM 5-3895-382-24
Vibratory Pump
(9XL229-Up,
3WZ158-Up,
2JM579-Up,
4JZ122-Up,
3TM706-Up,
5BZ119-Up,
6EN127-Up,
2TN118-Up,
1ZN121-Up, 1FS1-Up, 1XZ1-Up)
Rotation is counterclockwise when seen from drive end.
Type of pump: piston
For bench test use SAE 10W oil at 65C (150F)
Displacement ............................................................... 41.0 cm3/rev
(2.5 in3/rev)
Test At Full Speed
Output ..........................................89.3 liter/min (23.2 U.S. gpm)
At a pressure of ........................................2050 kPa (300 psi)
With pump at ............................................................. 2200 rpm
With engine at ........................................................... 2200 rpm
Output ............................................. 88.4 liter/min (23 U.S. gpm)
At a pressure of ......................................6900 kPa (1000 psi)
With pump at ............................................................. 2200 rpm
With engine at............................................................ 2200 rpm
Test At Half Speed
Output ..........................................44.6 liter/min (11.6 U.S. gpm)
At a pressure of ........................................2050 kPa (300 psi)
With pump at ............................................................. 1100 rpm
With engine at ........................................................... 1100 rpm
Output ..........................................44.2 liter/min (11.5 U.S. gpm)
At a pressure of ......................................6900 kPa (1000 psi)
With pump at ............................................................. 1100 rpm
With engine at ........................................................... 1100 rpm
(1) Tighten ten bolts to a torque of .................... 15 to 17.5 Nm
(11 to 13 lb-ft)
(2) Tighten seven bolts to a torque of ............... 15 to 17.5 Nm
(11 to 13 lb-ft)
(3) Tighten seven bolts to a torque of ...................36 to 43 Nm
(26 to 32 lb-ft)
(4) High pressure relief settings .................................25 000 kPa
(3625 psi)
Tighten plugs to a torque of ..............................40 to 95 Nm
(30 to 70 lb-ft)
(5) Charge relief valve setting ...................................... 2800 kPa
(410 psi)
12-5