Craftsman 351.223140 Operator's Manual page 7

SYMPTOM POSSIBLE
CAUSE(S)
CORRECTIVE ACTION
Motor will not run 1. Defective plug, cord, switch or motor 1. Check wiring, replace defective parts
2. Blown fuse or circuit breaker 2. Check fuse or breaker, replace
Excessive dust in air 1. Leaking bag or hose connection 1. Check filter and collector bag connections.
Check collector hose connections
2. Filter or collector bag leaks 2. Dust trapped under bag clamp or collector bag not
sealed on collar
Excessive impeller noise
Excessive motor noise
Motor fails to develop full
power or motor stalls
1. Large debris or piece or wood in
impeller housing
2. Loose impeller
1. Do not vacuum metal materials. Turn
collector off and let debris settle in
collector bag.
2. Disconnect collector from power source.
Remove four screws holding motor/fan assembly to
upper blower housing. Carefully lift out motor/fan
assembly and lay on workbench. Hold motor shaft from
turning using vise grips and tighten bolt holding impeller.
Defective motor Have motor checked by qualified motor
service technician
1. Low voltage to collector caused by
circuit overload
2. Low voltage to collector caused by
undersized extension cords
3. Low voltage from power source
1. Remove other electric machines or
appliances from circuit
2. Increase wire gauge size of extension
cords or shorten extension cords
3. Request voltage check from power
company
4. Replace motor capacitor
1. Check motor, replace if necessary
4. Defective motor capacitor
Motor slow to start or fails 1. Burned or defective motor
to reach full speed
2. Defective motor capacitor switch 2. Check switch, replace if necessary
Motor overheats 1. Motor overload 1. Reduce lead by slowing dust production
2. Improper motor cooling 2.Clean sawdust from motor
Tripping circuit breaker or 1. Motor overloaded 1. Reduce load by slowing dust production
fuses 2. Improper capacity of circuit breaker 2. Use proper capacity circuit breaker or
or fuses fuse