V4.0
20 in. 4-in-1 Self-Propelled Lawn Mower
8925521
Visit www.princessauto.com for more information
13
TROUBLESHOOTING
Visit a Princess Auto Ltd. location for a solution if the tool does not function
properly or parts are missing. If unable to do so, have a qualified technician
service the tool.
Problem(s)
Possible Cause(s)
Suggested Solution(s)
Loud while
running, machine
vibrates heavily
1. Screws are loose.
2. Blade fasteners are loose.
3. Blade is unbalanced.
1. Check and tighten all screws.
2. Check blade fasteners.
3. Suggested solution.
Uneven mowing
results
1. Blade is blunt.
2. Cutting height is too low.
1. Sharpen the blade
2. Set correct height.
Grass bag is not
filled sufficiently
1. Blade is worn
2. Grass bag is clogged
3. Wet grass sticking to
lawnmower.
4. Discharge opening is
blocked.
1. Replace or sharpen the blade
2. Empty the grass bag
3. Wait for lawn to dry before
mowing. Remove stuck
grass.
4. Clean grass clippings from
opening.