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Section 4
Adjustments
54. Cylinder Clearance
The clearance between the cylinder rim and front
panel must be adjusted so the cylinder is centered
within the front panel opening when the cylinder
is fully loaded and is turning. However, the
adjustment should be made when the cylinder is
empty.
NOTE: If the cylinder is not properly adjusted, the
cylinder rim will rub against the front panel.
a. Open loading door and check the gap between
the center of the front panel top flange and the
cylinder rim. Proper adjustment is when the
gap is 7/16 inch (11 mm). Refer to Figure 1.
b. Remove chain guard.
c. Loosen the four trunnion housing bolts. Refer
to Figure 2.
d. Loosen the locknuts on the trunnion housing
adjusting bolts. Refer to Figure 2.
e. Turn the adjusting bolts in or out as necessary
to obtain proper clearance between cylinder
rim and front panel.
NOTE: Turning the adjusting bolts clockwise will
raise the cylinder and turning them counter-
clockwise will lower the cylinder. Turn both bolts
evenly to adjust top and bottom clearance. Turn
one or the other adjusting bolt in or out to adjust
side clearance.
f. After the cylinder is properly adjusted, tighten
the adjusting bolt locknuts and the four
trunnion housing bolts.
g. Install the chain guard removed in step “b”.
NOTE: If adjusting the trunnion housing fails to
correct the clearance, the problem is probably due
to a worn trunnion shaft or defective bearings.
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
Figure 1
Front
Panel
7/16 Inch
(11.113 mm)
Gap
Cylinder
Rim
Front Panel
Top Flange
T057P
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