Primus DAM 9 - 3 Motor Runs but Cylinder Does Not Turn; 4 Motor Does Not Stop

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Section 3 Troubleshooting
To reduce the risk of electric shock, fire, explosion, serious injury or death:
• Disconnect electric power to the dryer(s) before servicing.
• Close gas shut-off valve to gas dryer(s) before servicing.
• Never start the dryer(s) with any guards/panels removed.
• Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the dryer is properly grounded.
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WARNING
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3. MOTOR RUNS BUT CYLINDER DOES NOT TURN
4. MOTOR DOES NOT STOP
POSSIBLE CAUSE TO CORRECT
Motor drive pulley loose. • Tighten pulley.
Belt not installed on pulley. • Install belt. Refer to Figure 47.
Broken cylinder belt. • Replace belt.
Clothes cylinder is binding. • Check cylinder for binding and “out of round” condition.
• Check front and rear bulkheads for warping.
• Check cylinder rollers for binding.
• Check cylinder seals and glides for wear or damage.
Broken, weak or disconnected idler lever spring. • Replace or reconnect spring. Refer to Figure 48.
Belt routed on wrong side of idler lever. • Reroute belt. Refer to Figure 47.
Oil on cylinder. • Wipe oil from cylinder.
Belt is “inside out.” • Reinstall belt with ribbed surface against cylinder.
Idler arm is binding. • Add grease between idler arm and motor mount.
• Replace idler arm and bolt if needed.
Dryer is overloaded. • Remove some laundry from dryer.
Wrong motor. • Refer to parts manual for correct motor part number.
Wrong belt used on dryer. • Check belt part number against correct part number in the
Parts manual.
• Replace belt if needed.
Bent idler arm. • Replace idler arm.
POSSIBLE CAUSE TO CORRECT
Incorrect wiring to motor switch. • Refer to wiring diagram.
Motor centrifugal switch sticky or plugged with
lint.
• Remove dust or lint and spray with “SLYDE,” Part No.
131P4, to clean and lubricate.
Inoperative door switch. • Test switch and replace if inoperative.
Inoperative timer – nonmetered models. • Test timer and replace if inoperative.