Maintenance; Maintenance Intervals; Adjusting The Throttle Cable; Repairing - Stihl BR 500 Instruction Manual

16 Maintenance

1
► Pull off the spark plug boot (1).
► If the area around the spark plug (2) is soiled: Clean it with
a damp cloth (2).
► Unscrew the spark plug (2).
► Clean the spark plug (2) with a damp cloth.
► If the spark plug (2) is corroded: Install a new spark plug
(2).
► Fit the spark plug (2) and tighten it down firmly.
► Press the spark plug boot (1) firmly home.
16 Maintenance

16.1 Maintenance intervals

Maintenance intervals depend on the ambient conditions
and the operating conditions. STIHL recommends the
following maintenance intervals:
If engine is low on power or cranking effort is very high
► Have valve clearance checked and, if necessary, adjusted
by a STIHL specialist dealer.
After every 100 hours of operation
► Replace the spark plug.
After every 150 hours of operation
► Have the combustion chamber cleaned by a STIHL
specialist dealer.
0458-452-0121-H
Monthly
► Have the fuel tank cleaned by a STIHL dealer.
► Have the pickup body in the fuel tank cleaned by a STIHL
dealer.
2
Annually
► Have the blower checked by a STIHL servicing dealer.
► Have the pickup body in the fuel tank replaced by a STIHL
dealer.

16.2 Adjusting the throttle cable

► Press the throttle trigger (1) and keep pressed.
► Turn screw (2) clockwise until resistance is felt.
► Continue turning screw (2) clockwise by half a turn.

17 Repairing

17.1 Repairing the Blower

The blower cannot be repaired by the user.
► If the blower is damaged: Do not use the blower and
contact your STIHL dealer for assistance.
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