Problem
Possible causes
Motor does not start
Unit not plugged in
No electricity
Defective cable
Defective safety switch/plug
Overheat protection activated
Abnormal noises
Raker cylinder is jammed
Cogged belt slipping
Bolts, nuts or other components are
loose.
Abnormal vibrations
Raker cylinder damaged or worn
Working depth too large
Poor results
Working depth too small
Worn raker cylinder
Discharge opening blocked
Call us first with questions about operating or maintaining your dethatcher
Standard Time, or get assistance on www.americanlawnmower.com.
TROUBLESHOOTING
CALL US FIRST !!
at 1-800-633-1501 between 8:00 a.m. – 5:00 p.m. Eastern
Model DT71613
Remedy
Plug in the unit
Check power supply
Check cable. Repair or replace if required
Arrange for repair
1. Working depth too large, set to a shorter depth.
2. Raker cylinder blocked, remove the blockage.
3. Grass too long, mow the lawn before
operation.
Wait until the motor cools down for about 15 minutes
before further use.
Switch off . Wait till the raker comes to a complete
stop. Remove jammed objects.
Dethatcher must be repaired. Call our customer
service help line at 1-800-633-1501 for assistance.
Tighten all components. Arrange for repair if noises
continue.
Replace damaged or worn raker.
Set to correct working depth.
Set to correct working depth.
Replace damaged or worn raker cylinder.
Empty grass catcher bag and remove blockage
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