Speed Queen TMB796C - Manual (Page 59)

Adjustments
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Loading Door Switch
Loading door switch is factory preset, no field
adjustment is necessary.
Loading Door Catch
The door catch must be adjusted to have sufficient
tension to hold loading door closed against force of load
tumbling against it. Proper adjustment is when 8 to
15 pounds (35.6 N – 66.7 N) pull is required to open
door.
If adjustment is required, refer to Figure 27 and
proceed as follows:
To adjust, open door, loosen acorn nut and turn door
strike screw in or out as required. Tighten acorn nut.
Figure 27
Drive Belt
Nonreversing Models
Refer to Figure 28.
Proper tension is when the drive V-belt can be
depressed approximately 0.5 inch (13 mm) by
applying light thumb pressure at a point midway
between the sheave and motor pulley.
1. Remove guard from rear of tumbler.
2. To adjust belt tension, loosen idler housing bolts
holding idler housing assembly to the guide rails.
3. Position housing assembly by turning adjusting
bolt until proper belt tension is reached, then
retighten idler housing bolts.
4. Replace the guard on rear of tumbler.
Reversing Models
Refer to Figure 29.
Proper tension is when the drive belt can be depressed
approximately 0.5 inch (13 mm) by applying light
thumb pressure (approximately 5 pounds [0.35 bar]) at
a point midway between the sheave and motor pulley.
Proper tension is when each cylinder belt can be
depressed approximately 0.19 inch (5 mm) by applying
light thumb pressure (approximately 5 pounds
[0.35 bar]) at a point midway between the sheave and
the idler.
1. Remove guard from rear of tumbler.
2. To adjust cylinder belt tension, loosen idler
housing bolts holding idler housing assembly to
the guide rails.
3. Position housing assembly by turning adjusting
bolt until proper belt tension is reached, then
retighten idler housing bolts.
NOTE: Adjusting the cylinder belt tension will
change the drive tension. Drive belt tension must
also be adjusted.
4. Loosen the locking bolt.
5. Loosen the adjusting nut and use the adjusting
screw to move the motor up or down.
6. Once proper belt tension is reached, retighten the
adjusting nut and locking bolt.
7. Replace the guard on rear of tumbler.
T048I
1 Door Latch
2 Door Catch
3 Acorn Nut
2
3
1