Pressure tests in the travel circuit
BOMAG
97
008 921 86
8.3
8.3
Pressure tests in the travel circuit
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).
3. Connect 600 bar pressure gauges to the high
pressure test ports for M
A
and M
B
and a 60 bar
pressure gauge (Fig. 3) to the charge pressure
test port.
!
Caution
Do not activate the vibration and do not steer
while checking the pressure.
This would destroy the 60 bar pressure
gauge.
4. Start the engine and shift the throttle lever to max.
speed position.
5. Read charge and high pressure gauges.
Nominal value
Charge pressure gauge: See technical data.
High pressure gauge: Both identical pressure
(charge pressure).
Fig. 1
Fig. 2
Fig. 3
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