Maintenance
Hydraulic System
123 9831/7750-1 123
6. Install drain plug.
Figure 73.
A Filter head B Filter element
C Filter bowl
1. Clean the area around the filter assembly. Refer to Figure 73.
2. Remove the filter bowl and dispose of the filter element.
3. Clean the filter bowl.
4. Check the O-ring located on the filter head. If necessary, replace the O-ring.
5. Install the filter and tighten the filter bowl.
6. Check the filler screen for damage and impurities. If necessary clean or replace the filler screen.
7. Fill the tank with recommended oil through the filler.
Refer to: Fluids, Lubricants and Capacities (Page 135).
7.1. Add oil until the oil level is above the filler screen.
8. Check the O-ring on the filer cap for damage. Replace if necessary.
9. Replace the filler cap.
10. Run the engine for a few minutes, then check the oil level.
Refer to: Check (Level) (Page 121).
10.1. Add oil if necessary.
11. Check the oil filter and drain plug for leaks.
Cylinders / Rams
Check (Condition)
Extend each ram fully, one at a time and visually examine for score marks, dents, leaks or similar defects.
Make the machine safe before inspecting each ram.
If a ram piston appears defective, contact your service engineer or JCB dealer.
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