TM 9-2320-272-24-4
Using arbor press and mandrel, remove coupling (11) and woodruff key (8) from shoulder shaft (10).
10.
Discard woodruff key (8).
Using arbor press and mandrel, press crane swinger gearcase (5) shoulder shaft (10) down until
11.
bearing (1) is removed.
Turn crane swinger gearcase (5) over and press bearing (1) and shoulder shaft (10) assembly from
12.
crane swinger gearcase (5).
Remove two bushings (2), springs (3), spacers (4), washers (6), and woodruff keys (9) from shoulder
13.
shaft (10). Discard woodruff keys (9).
Remove worm gear (7) from shoulder shaft (10).
14.
WARNING
Drycleaning solvent is flammable and toxic. Do not use near open
flame and always have a fire extinguisher nearby when solvents
are used. Use only in well-ventilated places, wear protective
clothing, and dispose of cleaning rags in approved container.
Failure to do this may result in injury or death to personnel and/or
damage to equipment.
CAUTION
Do not spin-dry bearings with compressed air.
1.
Clean all crane swinger gearcase (5) components with drycleaning solvent.
2.
Inspect four bearings (1). Replace if scored, pitted, or broken.
3.
Inspect crane swinger gearcase (5), gearcase motor mounting cap (14), shaft bearing cap (15), and
gearcase cover (12) for cracks and breaks. Replace if cracked or broken.
4.
Inspect shoulder shaft (10), worm gear (7), and gearshaft (13). Replace if broken, cracked, chipped,
or out-of-round.
5-632
