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M413487
Section 5 Service Procedures
To reduce the risk of electric shock, fire, explosion, serious injury or death:
• Disconnect electric power to the tumbler before servicing.
• Close gas shut-off valve to gas tumbler before servicing.
• Close steam valve to steam tumbler before servicing.
• Never start the tumbler with any guards/panels removed.
• Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the tumbler is properly grounded.
W002
WARNING
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51. CYLINDER MOTOR PULLEY
a. Remove drive belt.
b. Loosen setscrews and, remove screws from
tapered bushing. Refer to Figure 17.
c. Remove tapered bushing by putting the screws
removed in step “b” into the threaded holes in
the bushing. Turning the screws inward will
force the bushing out of the motor pulley.
d. Remove motor pulley.
IMPORTANT: Realign cylinder motor pulley with
step pulley by loosening the tapered bushing and
repositioning the cylinder motor pulley on the
cylinder motor shaft. Refer to Figure 17.
52. JACKSHAFT ASSEMBLY
Refer to Figure 16.
a. Remove step pulley. Refer to Paragraph 49.
b. Remove four bolts attaching jackshaft to the
rear of tumbler.
NOTE: After installing step pulley, adjust belts.
Figure 17
T371PE1A
TAPERED
BUSHING
SCREWS
MOTOR
PULLEY
SETSCREW
