Vibration Pump High Pressure Test - Fayat Group BOMAG BW 900-50 Service Manual

Vibration pump high pressure test

Fig. 1
Fig. 2
Fig. 3
008 921 86
8.7 Vibration pump high pressure test
Special tools
Hydraulic test case
Caution
!
Perform measurements at operating tempera-
ture of the hydraulic oil (40 °C).
1. Block the drums with suitable chocks (Fig. 1).
2. Pull up the parking brake lever. (Fig. 2).
Caution
!
Run the following pressure test for max. 3
seconds.
3. Close the pump outlet (Fig. 3) with a 200 bar
pressure relief valve
4. Start the engine for a moment.
Nominal value
approx. 200 bar
Evaluation of test
If the nominal value is not reached, replace the vi-
bration pump.
BOMAG
8.7
103