Hydraulic System 121
Figure 5-31
Filter element
4. Reinstall the filter head cover.
Hydraulic Cylinders
Inspecting Hydraulic Cylinders
You MUST inspect all hydraulic cylinders at least once a month.
When you do so:
1. Make sure that the shut-off valve on the suction line (Figure 2-13) is completely open before
starting the engine.
2. Make sure that connections between all hoses and pipes are tight, and that no oil is leaking.
Leaking or otherwise faulty cylinders must be repaired or replaced immediately.
3. Make sure that all cylinder caps are firmly set and that there are no leaks.
4. Using a straight edge, make sure that cylinder rods are straight.
5. Lubricate and inspect all cylinder mounting points (pins, retaining bolts, etc.).
Danger!
Always lock out and tag out the vehicle when inspecting or performing maintenance on
the vehicle (see Locking Out and Tagging Out the Vehicle on page 20).
Warning!
Failure to open the shut-off valve may damage the hydraulic system.
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