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DH231_08A
Throttle trigger free play
Fuel lter
Hooked
wire
BOTTOM
VIEW
Gearcase grease tting
50 hour maintenance
50 hour maintenance
CAUTION!
Make sure you do not pierce the fuel
line with the end of the hooked wire.
The line is delicate and can be dam-
aged easily.
Every 50 hours of operation (more
often in dusty or dirty conditions):
Remove and clean the cylinder cover ■
and clean grass and dirt from the cyl-
inder ns.
Gearcase lubrication
Remove the gearcase cover, and use
solvent and a soft brush to remove all
old grease from the gearcase. To rell,
hand-pack the gearcase with approxi-
mately 40–50 grams of high quality lith-
ium-based grease (50–70% of capacity).
DO NOT OVERFILL!
Remove and replace fuel lter
element
Use a wire hook to extract the ■
fuel lter from inside the fuel tank.
Inspect the fuel lter element. If it
shows signs of contamination from
debris, replace it with a genuine
Shindaiwa replacement fuel lter
element.
Before reinstalling the lter, inspect
the fuel line. If you discover dam-
age or deterioration, the unit should
be removed from service unitl it can
be inspected by a Shindaiwa-trained
service technician.
Throttle free play adjustment
If the unit does not return to idle speed
or doesen’t reach full rpm, the throt-
tle trigger free play may need to be
adjusted as follows:
Measure free play at the end of 1.
the throttle trigger. Throttle trigger
free play should be approximately
5-7 mm (0.2-0.275”).
If adjustment is necessary, remove 2.
the air cleaner cover by loosening the
two thumbscrews. Loosen the cable
adjuster lock nut and turn the cable
adjustment tting in or out until throttle
trigger free play is approximately
5-7 mm (0.2-0.275”).
Replace the air cleaner cover, and 3.
tighten the cover retaining screws
securely.
DH231_08A
Throttle Trigger
Free Play
.2-.275"
(5-7 mm)
Air Cleaner
Cover
Throttle
Cable
Adjuster
Throttle Cable
Adjuster Lock Nut
Throttle
Cable
Maintenance (continued)