Havener E-40 Edger - Manual (Page 13)

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Correct Edger/Trimmer Usage
Operation of the Trimmer/Edger
DANGER: KEEP ALL SHIELDS IN PLACE. NEVER ATTEMPT TO CLEAR DISCHARGE AREAS OF
EDGER/TRIMMER BLADE WITHOUT DISENGAGING THE CLUTCH LEVER AND STOPPING THE ENGINE.
For best results when edging, adjust blade to 20° angle cut and adjust the cutting depth of the blade to within 1/2”
to 1” deep. (With a new blade use the third notch on the adjustment bracket.)
To avoid unnecessary stress on the engine and blade wear, don’t cut too deep.
Re-adjust cutting depth as blade begins to wear at tips.
Avoid edging or trimming in wet grass so the blade guard will not clog.
Always push edger/trimmer at moderate walking speed for the best results.
For edging around shaped flower beds or curved areas:
Before starting the engine place the wheels closer together by removing the wheel spacer clip on the
front axle.
Slide wheels to side away from blade and replace spacer.
After starting the engine, set blade depth and slightly lift the rear wheels to add angles around corners.
Maintaining Your Edger/Trimmer
CAUTION To minimize the chance of injury always perform maintenance and adjustments with the
engine off unless instructed otherwise.
Maintenance Checklist
1. Refer to the engine manual for engine maintenance instructions. Correct grade of oil and gasoline is included
in the instructions
NOTE: Check the oil level of the engine every time before the edger/trimmer is used. Improper oil levels
can cause extensive internal damage to the engine. Failure to change the engine oil at recommended
intervals can lead to serious damage.
Spark Plugs
NOTE: Check the spark plug after 50 hours of operation. Replace the spark plug at 100 hours operating
intervals or sooner if inspection shows excessive wear.
1. Always clean area around the spark plug before removal to prevent dirt form entering the engine. Use a spark
plug wrench to remove and install plug.
2. Always check spark plug gap before installing a new plug or reinstalling the original plug. Use a spark plug
gap gauge to adjust the electrode air gap as indicated in the engine manual.
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