Generac Power Systems Trimmer/Mower, Owner'S Manual

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Owner’s Manual for Trimmer/Mower™ 11
Maintenance and Troubleshooting
Section 4: Maintenance and Troubleshooting
Maintenance
Regular maintenance will improve performance and extend
engine/equipment life. Regular maintenance, replacement,
or repair of the emissions control devices and systems may
be performed by any repair shop or person of the owner’s
choosing. To obtain emissions control warranty service free
of charge, contact Generac Customer Service at 1-888-
436-3722 (1-888-GENERAC), or
www.generac.com .
See the emissions warranty.
Maintenance Schedule
(000102)
WARNING
Accidental Start-up. Disconnect spark plug wire when
working on unit. Failure to do so could result in death
or serious injury.
(000108)
WARNING
Hot Surfaces. When operating machine, do not
touch hot surfaces. Keep machine away from
combustibles during use. Hot surfaces could
result in severe burns or fire.
Procedure
Before
Each Use
Every 25
Hours
Every 50
Hours
Every 100
Hours
Check engine oil level

Clean engine exterior, cooling fins, and remove collected grass*

Check general equipment condition

Replace broken or frayed cutting cords

Check Quick-Lock™ plate assembly for excessive wear

Check trimmer belt for stretching and replace if necessary. See
Replacing Trimmer Belt
1st time 2
hours

Lubricate engine control cable with SAE 30 oil 
Replace engine oil
1st time 5
hours

Replace engine air filter cartridge and foam pre-filter if equipped 
Remove trimmer guard and clean out any collected debris 
Replace spark plug 
* Cleaning the top of the engine during use is critical for proper air flow.