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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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56. TRUNNION HOUSING ASSEMBLY
a. Remove cylinder assembly.
b. Remove upper guide rail bolt and nut.
c. Remove four adjusting screws holding trunnion
housing assembly to rear of cabinet. Refer to
Figure 14.
d. Remove four bearing retainer screws holding
the small bearing in housing. Refer to
Figure 14.
e. Use a hammer and hardwood dowel to remove
bearings.
IMPORTANT: When installing new bearings, apply
a film of oil to the bearing cavity surfaces in the
housing and to the outside diameter of the bearings.
IMPORTANT: If a press is not available to install
bearings, tap bearings into housing.
f. Reinstall drive guard on tumbler. Refer to
Figure 14
TMB1540_P
BEARING
TRUNNION
HOUSING
BEARING
BEARING
RETAINER
SCREW
(4 Total)
ADJUSTING
SCREW
(2 Total)
MOUNTING
SCREW
(4 Total)
