Hydraulic System 137
7. Start the engine. You can slowly raise the engine RPM only after 5 minutes. When you raise the
RPM, always make sure that the pump does not make excessive noise.
8. Before putting the vehicle back in service, recalibrate the system pressures.
Inspecting the Hydraulic Tank
Verify that the oil in the tank is clean (not colored) and always at the appropriate level.
To inspect the hydraulic tank:
1. Lock out and tag out the vehicle (see Locking Out and Tagging Out the Vehicle on page 12).
2. Clean the strainer and replace the filter element inside the tank after the first 50 hours of service
(see Cleaning the Strainer on page 153 and Replacing Filter Elements on page 154).
Figure 5-13
Filter housing element
For more information on maintenance schedule, see AUTOMIZER™ Preventive Maintenance Chart
on page 22.
3. Make sure that the filler cap is not obstructed and works properly.
4. Make sure that the hydraulic oil is clean (not colored) and at least ¾ full on the oil level gauge
(with all cylinders retracted).
The complete system requires between 50 and 60 gallons of oil.
Figure 5-14
Oil temp/level gauge
Caution!
Maximum temperature for hydraulic oil is 77 °C (180 °F).
To Next Page
Loading...
Need help?
General
