Homelite UT10548 Operator's Manual page 36

CHECKING THE FUEL FILTER
See Figure 69.
Check the fuel filter periodically. If contaminated or
damaged, have fuel filter replaced by an authorized
service center.
REPLACING THE SPARK PLUG
See Figure 70.
This engine uses a Champion RCJ-6Y with 0.025
in. electrode gap. Use an exact replacement
and replace every 50 hours or more frequently, if
necessary.
 Loosen the spark plug by turning it counter-
clockwise with a wrench.
 Remove the spark plug.
 Hand thread the new spark plug, turning it
clockwise. Tighten securely with wrench.
NOTE: Be careful not to cross-thread the spark
plug. Cross-threading will seriously damage the
cylinder.
SPARK ARRESTOR
The spark arrestor must be cleaned or replaced
every 50 hours or yearly to ensure proper per-
formance of your product. Spark arrestors may
be in different locations depending on the model
purchased. Please contact your nearest authorized
service center to have your spark arrestor cleaned
or replaced.
INSPECTING AND CLEANING CHAIN
BRAKE
See Figure 71.
 Always keep the chain brake mechanism clean
and lightly brush the linkage.
 Always test the chain brake performance after
cleaning. Refer to Operating Chain Brake for
additional information.
MAINTENANCE
CLEAN THE CHAIN BRAKE
Even with daily cleaning of the mechanism, the
dependability of a chain brake to perform under
field conditions cannot be certified. Keep the
SAFE-T-TIP
and use proper cutting techniques.
Page 36 — English
FUEL FILTER
WARNING:
nose guard on the saw's guide bar
®
Fig. 69
Fig. 70
Fig. 71