Alliance Laundry Systems 105 User Manual

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CHAIN DRIVE
Nonreversing Models 
Refer to Figure 20.
Proper tension is when the belt can be depressed 
approximately 1/2 inch (1.27 cm) by applying light 
thumb pressure at a point midway between the cylinder 
sprocket and the idler sprocket.
IMPORTANT: After a tumbler has been in operation 
over an extended period of time, a “HIGH POINT” 
will develop on the cylinder drive sprocket through 
use and wear. Turn the sprocket manually with drive 
chain in place until this “high point” is at the top 
center. The “high point” can be found by noticing 
increased chain tension while slowly rotating the 
cylinder sprocket manually.
1. Remove guard from rear of tumbler.
2. To adjust chain tension, loosen acorn nut holding 
idler sprocket to housing.
3. Move idler sprocket left or right until proper chain 
tension is reached, then retighten the acorn nut.
4. Replace the guard on rear of tumbler.
BELT DRIVE 
Nonreversing Models 
Refer to Figure 21.
Proper tension is when the drive V-belt can be depressed 
approximately 1/2 inch (1.27 cm) 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 housing 
support.
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.
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