Service manual

70276101 45
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
58. TRUNNION BEARINGS
Refer to Figure 17.
a. Remove front panel assembly.
b. Place blocks under cylinder that will hold it
level while trunnion bearings are being
serviced.
c. Remove cylinder sheave.
d. Loosen the front and rear adjusting screws.
e. Loosen setscrews holding bearings to shaft.
f. Remove bearing mounting screws.
g. Remove rear bearing.
h. Remove screws holding mounting bracket to
tumbler.
i. Remove mounting bracket.
j. Remove front bearing mounting nuts.
k. Loosen setscrews holding bearing to shaft.
l. Remove front bearing.
Figure 17
TMB1984P
Rear
Adjusting
Screw
Mounting
Bracket
Bearing
Mounting
Screw
Rear
Bearing
Setscrews
Rear
Bearing
Assembly
Front
Bearing
Assembly
Mounting Bracket
Attaching
Screw
Front
Adjusting
Screw
Front Bearing
Setscrews
Shim