Lull 1044C-54 Series II Service Manual - Manual (Page 293)

Frame Tilt and Oscillation
31200079 7-11
9. Lubricate upper and lower pivots with grease.
10. Start engine and cycle frame tilt fully left and right several times to
purge air from hydraulic system. Lower boom and shut off engine.
11. Inspect for hydraulic leaks and repair as necessary.
12. Check oil level in hydraulic reservoir. Add oil as necessary. See “Filling
Hydraulic Reservoir” in Section 5 for procedures.