Shindaiwa 25ITs Manuel Du Propriétaire page 33

Automatic oiler
1. Oil adjusting screw
The discharge volume of the automatic oiler is adjusted to 7 mL/min approximately at
7000 r/min, prior to shipment from factory.
- To increase the delivery volume, turn the adjusting screw anticlockwise.
When the adjusting screw touches stopper and stops, this position indicates maximum
discharge volume. (13 mL/min at 7000 r/min)
- Do not turn the adjusting screw beyond the maximum or minimum limit of volume
adjustment.
Spark plug cover
1. Spark plug cover
2. Spark plug cover latch
3. T-wrench
Release the spark plug cover latch with T-wrench.
Inspect the spark plug, clean or replace if damaged.
Reinstall the spark plug and cover, engage latch with T-wrench.
Silencer
NOTE
Carbon deposits in silencer will cause drop in engine output.
The spark arrester screen must be checked periodically.
1. Silencer cover
2. Two bolts
Remove two bolts and the silencer cover.
3. Silencer
4. Spark arrester screen
Remove the spark plug lead.
Remove the spark arrester screen from the silencer body.
Clean carbon deposits from the silencer components.
Replace the screen if it is cracked, or has holes burned through.
Assemble the components in reverse order.
Replacement guide bar and chain
Length cm Guide bar
20 C20S91-35SA- ST
25 C25S91-40SL- ST
30 C30S91-47ML- ST
20 C20H25-52CL- SD
25 C25H25-60CLD SD
2. Decrease
Chain
91PX-35E
91PX-40E
91PX-47E
25AP-52E
25AP-60E
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3. Increase
Clutch drum (Part number)
(A556-001720)
(A556-001710)