OPERATING CONTROLS AND PROCEDURES MLC650 OPERATOR MANUAL
3-82
Published 08-12-19, Control # 224-13
Removing APU
1. If the air conditioner hoses (6, View C) are connected,
proceed as follows to prevent the air conditioner from
losing its charge:
Continued on next page.
a. Leave the air conditioner hoses connected and stop
the APU.
b. Start the crane engine and run the air conditioner in
the cab using the crane engine for at least two
minutes.
c. Turn off the air conditioner in the cab and stop the
crane engine.
d. Disconnect the air conditioner hoses (6, View C)
from the APU and coil the hoses on the crane for
storage.
2. Turn off all AC power components and stop the APU
engine.
3. If equipped, turn off (O) the battery disconnect switch
(13, View D). The switch can be locked in the off position
with an owner supplied padlock.
4. Disconnect the power supply cable (10, View C) from
the interlock switch (11) on the APU and from the
interlock switch (12, View A) on the rotating bed. Store
the cable in the job box.
5. Disconnect the electric cable (9, View C) from the
receptacle on the APU and from the receptacle on the
rotating bed (View E). Store the cable in the job box.
6. Disconnect the electric cable (8, View C) from the
receptacle on the APU and from the receptacle on the
rotating bed (View E). Store the cable in the job box.
7. Disconnect two fuel hoses (7, View C) from the quick-
couplers on the APU and from the quick couplers on the
right side of the rotating bed (View E). Store the hoses in
the job box.
8. Support the APU (1, View A) with the forks from a forklift
or with slings from an assist crane.
9. Remove the locking pins (2, View B) from the mounting
brackets on the rotating bed.
10. Lift the APU (1, View B) clear of the fixed pins (4) on the
rotating bed,
11. Reinstall the locking pins (2, View B) in the rotating bed
holes.
12. Secure the APU to a trailer for shipping or store it on the
job site.
13. Remove the forklift or assist crane.
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