Maintenance
1715
−
1/A2
Winterthur Gas & Diesel Ltd.
Hydraulic Engine Stays
Oil Pressure Checks
1.
General
Usually two hydraulic engine stays (1,
) are installed on the exhaust side and two
on the fuel side of the engine. This can be different because of special installations.
You must compare the oil pressures on the pressure gauges (3) of the hydraulic
cylinders (8) at regular intervals.
If one of the pressure gauges (3) shows a pressure of less than 30 bar, (defective
O-rings, valves that have leaks, defective screwed connections, or accumulator) you
must do the procedure that follows:
1) Decrease to 30 bar the pressure in the other hydraulic cylinder.
2) Repair the defective engine stay as soon as possible.
3) Adjust the oil pressure of the engine stays to the correct setting. Refer to the
instructions in the manufacturer’s manual.
EXHAUST
SIDE
FREE END
1
1
1
1
Fig. 1
2
WCH03619
3
4
5
6
7
8
ENGINE
SIDE
WCH03619
WCH03619
1 Hydraulic engine stays
5 Round bar
2 Accumulator
6 Plug
3
/
8
NPT
3 Pressure gauge
7 Ball valve
4 Damping control valve
8 Hydraulic cylinder
2016
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