6-24 673831-Rev A
HYDRAULICS
6
Figure 6-13
Cutting units must be lowered to the ground.
13. Remove check valves (3) from the lift valve body (4).
14. Clean and inspect check valves for damage. Replace
as necessary.
15. Start the engine and raise the cutting units.
16. Stop the engine.
17. If lift cylinders continue to drift down, start the engine
and lower the cutting units.
18. Stop the engine.
19. Perform instrument tests on the lift system.