AIR CLEANER:
WARNING: RISK OF FIRE OR EXPLOSION. DO NOT
USE GASOLINE OR LOW FLASH-POINT SOLVENTS
TO CLEAN THE ELEMENT. CLEAN THE ELEMENT
IN A WELL VENTILATED AREA. ENSURE THAT NO
SPARKS OR FLAMES ARE NEAR THE WORKING
AREA, THIS INCLUDES ANY APPLIANCE WITH A
PILOT LIGHT.
CAUTION: NEVER RUN THE ENGINE WITHOUT THE
AIR FILTER, SERIOUS DANGER CAN RESULT.
Check the air cleaner daily or before starting the engine. Check
for and correct heavy buildup of dirt and debris along with
loose or damaged components. (See Fig. 8)
1. Unscrew the air cleaner cover and remove the element.
2. Clean the element:
FOAM FILTER: Wash the foam element in warm water with
detergent. Rinse the foam element thoroughly until all traces of
detergent are eliminated. Squeeze out excess water, but do not
wring. Allow the foam element to air dry.
Saturate the foam element with new engine oil. Squeeze out all
excess oil. DO NOT put engine oil on the foam damper.
NOTE: Clean the foam filter every 25 hours of operation (more often
under extremely dusty or dirty condition)
3. Reinstall the foam filter and close air cleaner cover and clasp
shut.
CLEANING AND GAPPING SPARK PLUG:
If the plug is contaminated with carbon, remove it using a plug
cleaner or wire brush.
Check the spark plug gap and reset it if necessary. The spark
plug gaps are listed below. To change the gap, bend the side-
electrode only, using a spark plug tool. (Fig. 9)
Install and tighten the spark plug. Connect the spark plug lead.
Recommended Spark Plug:
ENGINE (3600)
SPARK PLUG
SPARK PLUG GAP
TORQUE - NEW
TORQUE - RETIGHTEN
ENGINE (6000 AND 8000)
SPARK PLUG
SPARK PLUG GAP
TORQUE - NEW
TORQUE - RETIGHTEN
Operator's Manual
SERVICE
MI-T-M
F6RTC
0.7 - 0.8 mm
(0.03 in.)
8.7-10.9 ft-lb
16.6-19.5 ft-lb
MI-T-M
F6RTC
0.7 - 0.8 mm
(0.03 in.)
8.7-10.9 ft-lb
16.6-19.5 ft-lb
(Fig. 8)
Spark Plug Gap
(See recommendations)
(Fig. 9)
23