Service manual

76 M411433
Section 6 Adjustments
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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85. 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 47.
b. Remove drive guard.
c. Loosen the four trunnion housing bolts. Refer
to Figure 48.
d. Loosen the locknuts on the trunnion housing
adjusting bolts. Refer to Figure 48.
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
counterclockwise 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 drive 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 bearings.
Figure 47
T218SE3B
FRONT
PANEL FLANGE
(Top Shown)
FRONT
PANEL
FORE / AFT
CLEARANCE
9/32" ± 1/32"
CYLINDER RIM /
FRONT PANEL
FLANGE
CLEARANCE
INSIDE
FRONT OF
CYLINDER
CYLINDER
RIM
7/16" (11.113 mm)