Service, Maintenance and Hydraulic Settings
* Use only filters with by-pass
Hydraulic Settings
Check the working pressure by means of test equipment. The test equipment must
comprise a pressure gauge, a flow meter and a valve for adjustment of pressure.
The pressure relief valve is placed on the right side of the valve block.
1. Connect the
test equipment, start the powerpack and move the lever to “ON”.
Then close the valve - the pressure gauge must show 2175 p.s.i.(150 bar).
Adjust the pressure relief valve by loosening the lock nut and turning the
adjustment screw in or out. “In” increases the pressure, and “out” decreases the
pressure.
Retighten the lock nut after adjustment.
2. When the pressure relief valve has been adjusted correctly, the working pressure
must be set at 1450 p.s.i.(100 bar) by means of the valve on the test equipment.
At 1450 p.s.i.(100 bar), the oil flow should be 5.28 (8.0) g.p.m.(20 (30) l. p.m.)
power on request.
On the powerpack with POR (Power on Request), the flow is adjusted by
loosening the POR (Power on Request) cylinder in the bracket and pushing it to
the left (higher flow) or to the right (lower flow).
On the powerpack with adjustable flow, the flow is regulated by adjusting the
position of the throttle cable.
5
If correct pressure/oil flow cannot be achieved by following the
above instructions, the powerpack must be re-adjusted. If the
pressure/oil flow is then still incorrect, the pump is defect and
must be replaced.
Service/Maintenance
Daily
Weekly
Yearly
Engine oil
Check
1 x replacement
Hydraulic oil
Check
1 x replacement
Hydraulic oil filter *
1 x replacement
Check hoses
(tighten up if needed)
Air filter
1 x replacement
Fuel filter
1 x replacement
