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108539
www.desatech.com
TROUBLESHOOTING
WARNING: Unplug chain saw from
power source before servicing. Severe injury
or death could occur from electrical shock
or body contact with moving chain.
Note: For additional help, visit DESA Specialty
Products’™ technical service web site at
www.desatech.com.
OBSERVED FAULT
Saw runs, but does not cut
Saw does not cut unless heavily
forced. Cutting produces only saw-
dust with few large chips
Saw runs slow. Saw stalls easily
Motor of saw does not run when you
squeeze trigger
Motor of saw runs, but chain does
not move
Chain does not get oil
Chain comes off guide bar
Saw smokes
Saw leaks oil
POSSIBLE CAUSE
Chain assembled backwards on
guide bar
Chain is dull
Low power supply voltage
1. Switch lockout not pressed in to
release trigger
2. Extension cord connections loose
3. Open line fuse or circuit breaker
4. Worn out motor brushes
5. Open wiring circuit on saw
Gear train failure
1. Clogged oil slot in guide bar
2. Oil is too thick
1. Chain is loose
2. Guide bar and chain not as-
sembled right
Saw damaged. Do not use saw
Oil cap is not secure
REMEDY
See Assembly, page 16
See Sharpening Saw Chain, pages
20 and 21
Extension cord wire size too small.
See Extension Cords, page 17
1. Press in switch lockout before
squeezing trigger
2. Check cord connections
3. Check line fuse or circuit breaker
4. See authorized service center
5. See authorized service center
See authorized service center
1. Remove guide bar and clean oil
slot
2. Use correct weight of oil. See
Filling Oil Tank, page 17
1. Tighten chain. See Saw Chain Ten-
sion Adjustment, pages 16 and 17
2. See Assembly, page 16
See authorized service center
Tighten oil cap. Note: Empty oil tank
when not in use