Cleaning; Inspection; Bearings - Hobart TM416 Operation And Maintenance Instruction Manual

OPERATION, MAINTENANCE, AND OVERHAUL MANUAL T,"v'-kio
MOTOR-DRIVEN GENERATOR SET, SERlES 5503A '-AND 5507A,
The removal tools consist of the following:
1 - Collar Assembly,' part no. 387393
1 - Seat, part no.. 387424
(Customer to furnish bearing puller)
The collar assembly (6) protects the bearing by allowing the puller to exert pulling
force on the inner race only.
The seat (7) protects the 3/4"-10 threads in the ends of the rotor shaft against
possible damage by the bearing puller screw.
To remove a bearing, proceed as follows:
(1) Disassemble the collar (6) and place the two halves over and behind the bearing.
Make certain it is installed so the protruding "land" at the inner diameter will
contact the inner race of the bearing, install two clamping screws and tighten
to clamp the collar on the bearing.
Install seat (7) in the end of the rotor shaft.
(2) Pull th e b earing off the rotor shaft with a suitable bearing puller,
(3) Remove bearing tools.
D. Cleaning
(1) Steam cleaning of motor-generator components is no longer recommended
because steam can be damaging to insulation. Use a good, SAFE, commercial
cleaner on all parts except bearings.
DRY ALL PARTS THOROUGHLY AFTER
CLEANING.
WARN IN G :
DO NOT USE A FLAMMABLE SOLVENT.
(2) Wipe bearings clean with a dr:/ cloth. Sealed bearings should NOT be washed.
A little tarnish, stain, and corrosion on the outside surfaces are not detrimental
to the operation of the bearing and need not be removed.
E. inspection
( 1) Bearings
Inspect bearings while they ore mounted on the rotor shaft. 1 i
6-2
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Feb 27/f6