SEQUENCE VALVE ADJUSTMENT
(CONTROLS LIP EXTENSION)
Note:
• Check oil level before making any adjustments.
1. When the leveler is fully raised and the lip does not
extend, the Sequence Valve is set too high.
2. Remove protective cap and O-ring. Loosen locknut
without turning valve body or adjustment screw. Turn
adjustment screw counterclockwise to lower the
valve pressure setting.
Note: Valve is factory set at 0.70".
3. Adjustments should be no more than 1/8 turn
increments.
4. Tighten locknut without turning valve body or
adjustment screw.
5. Reinstall O-ring and protective cap and tighten cap.
6. Re-test the unit several times to verify the setting.
7. If the lip begins to extend at any time before the
platform has fully raised, the Sequence Valve setting
is too low.
8. Remove protective cap and O-ring. Loosen locknut
without turning valve body or adjustment screw. Turn
adjustment screw clockwise to increase the valve
pressure setting.
9. Adjustments should be no more than 1/8 turn
increments.
10. Tighten locknut without turning valve body or
adjustment screw.
11. Reinstall O-ring and protective cap and tighten cap.
12. Re-test the unit several times to verify the setting.
• Sequence valve is factory sealed. Adjustments to be
completed by trained technician only.
Genisys
Dock Leveler Owners Manual
Pub. No. 1185-R1 - August 2004 19
HYDRAULIC LEVELER ADJUSTMENTS CONT.
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