Shindaiwa DH254 Trimmer User Manual


 
13
10-Hour Maintenance
(more frequently in dusty
conditions)
Figure 16 B
Filter
Element
Air Cleaner
Cover
Pre-
Filter
Remove the air cleaner cover by loosening the two thumbscrews. See Figure 16A1.
.
Remove and inspect the pre-filter. If the pre-filter is torn or otherwise damaged, 2.
replace it with a new one. See Figure 16B.
Clean the pre-filter with soap and water. Let dry before reinstalling. 3.
Inspect the air cleaner element. If the element is damaged or distorted, replace it 4.
with a new one.
Tap filter gently on a hard surface to dislodge debris from element or use 5.
compressed air from the inside to blow debris out and away from the air filter
element.
IMPORTANT!
Direct the air stream at the inside face of the lter only!
Install the filter element, pre-filter and 6. cover in the reverse order of removal.
CAUTION!
Never operate the unit if the air cleaner assembly is damaged or missing!
Figure 16 A
If the unit does not return to idle speed or doesen't reach full rpm, the throttle trigger
free play may need to be adjusted as follows:
Measure free play at the end of the 1. throttle trigger. Throttle trigger free play
should be approximately 5-7 mm (0.2-0.275"). See Figure 14.
If adjustment is necessary, remove the air cleaner cover by loosening the two 2.
thumbscrews. Turn the cable adjustment fitting in or out until throttle trigger
free play is approximately 5-7 mm (0.2-0.275").
Replace the air cleaner cover, and tighten the cover retaining screws securely.3.
Throttle Cable Free Play
5-7mm
(0.2-0.275")
ThrottleTrigger
Free Play
Figure 14
Figure 15
Cable
Adjuster