National Crane Published 08/16/19 Control # 112-05 5-1
500E2 SERVICE MANUAL HOIST
SECTION 5
HOIST
SECTION CONTENTS
Hoist Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 Hoist Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
HOIST REMOVAL
1. Extend and set the outriggers.
2. Fully retract the boom and place in a horizontal position.
3. Remove hook block or downhaul weight. Shut down
truck engine.
4. Remove and cap hydraulic hoses.
NOTE: Tag hydraulic hoses to avoid confusion during
re-assembly (the inside hose “up” and the outside
is “down”).
5. Remove rope Mesh Guard.
6. Attach suitable lifting device to hoist and take up the
slack.
7. Remove 6 mounting capscrews and washers (3 on each
side).
8. Lift which clear of boom and secure to a suitable holder
HOIST INSTALLATION
1. Remove rope Mesh Guard from hoist.
2. Lift hoist with suitable lifting device.
3. Lower hoist onto the alignment ears.
4. Install Mesh Guard.
5. Install 6 capscrews and washers. Torque capscrews to
220 ± 20 ft lb (300 ± 30 N.m.).
6. Inspect hydraulic hoses and anti chafing sleeve for wear
or damage. Replace as required.
7. Route hoses with anti chafing sleeve installed through
access hole in turret assembly.
8. Install hoist up hydraulic hose to lower inside fitting on
hoist motor.
9. Install hoist down hydraulic hose to outside fitting on
hoist motor.
Item Component
1Hoist
2 Boom
3 Capscrew (6 plcs)
4 Case Drain
5 Hoist Down Hose
6 Hoist Up Hose
7 Hoist Alignment Ears
CAUTION
The combined weight of the hoist and 325 ft. of wire rope
is 660 lbs (300 kg).
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