Hydraulic Swivel - Manitowoc Grove 5540F Service Manual

5540F/YB5515 SERVICE MANUAL
3. Fill the winch motor with hydraulic fluid through the case
drain port Figure 4-60 to the bottom of the fill plug with
clean hydraulic oil.
4. Connect all the hydraulic hoses and fittings to the motor.
5. Start the engine and slowly run the boom winch through
several cycles to remove any air in the system. Check
for hydraulic leaks.
GROVE

Hydraulic Swivel

Removal
The area around the swivel and the swivel must be
completely cleaned before removing the swivel from the
machine.
1. Stop the engine and engage the parking brake. Move
the controls in both directions to release any pressure in
the hydraulic circuits.
2. Put tags on the hydraulic lines with the number of the
hydraulic port to which the line connects.
3. Disconnect the hydraulic lines from the upper and lower
swivel ports. Be prepared to collect the hydraulic oil in
the lines. Put caps or plugs on the fittings and hydraulic
lines.
4. Remove the stop from the bottom of the swivel.
5. Put a support under the swivel. Remove the three bolts
and lockwashers securing the swivel to the mast.
6. Remove the hydraulic swivel.
Published 10-21-2010, Control# 198-04
HYDRAULIC SYSTEM
CAUTION
4
4-55