Cleaning The Air Filter - Homelite UT74121A Operator's Manual

TIGHTEN 3/4
A TURN
MOUNTING THE SAFE-T-TIP® NOSE GUARD
See Figures 69 and 70.
1. Mount the SAFE-T-TIP on the bar nose.
2. Fit the locking rivet or tab in the recessed hole in the
guide bar.
3. Tighten the screw with your finger.
4. From the finger tight position, tighten the screw an
additional three-quarters of a turn using a spanner.

CLEANING THE AIR FILTER

See Figures 71, 72 and 73.
NOTE: Always clean the air filter before making any mixture
adjustments of the carburettor.
1. For access to the air filter and carburettor area, loosen
the three screws holding the cylinder cover.
2. Activate chain brake.
3. Lift the front of the cylinder cover past chain
brake lever.
4. Lift the back of the cylinder cover past the handle.
5. Before removing the air filter from the carburettor, blow
or brush as much loose dirt and sawdust from round the
carburettor and chamber as possible.
NOTE: Be sure to pull the choke rod out to keep the
carburettor from being contaminated.
6. Remove the screw securing the air filter.
7. Position a flat screw driver between the tabs and twist
as shown in the illustration.
8. Lift the air filter off the air filter base.
Choose one of the following cleaning options:
9. To lightly clean, tap the filter against a smooth, flat
surface to dislodge most saw dust and dirt particles.
10. For a more thorough cleaning, clean in warm soapy
water, rinse, and let dry completely.
NOTE: An alternative method is to clean the filter with
compressed air (always wear eye protection to avoid
eye injury).
11. Reinstall the air filter, making sure that the tabs on the
air filter are located in channels on the air filter bottom
before tightening filter retainer screw.
MAINTENANCE
Clean the pre-filter every 25 tanks of fuel or sooner, if
required. Remove the cylinder cover, starter assembly
and the fan housing baffle for access to the pre-filter in
the engine housing.
NOTE: If you use an air hose for drying, blow through
both sides of filter.
CAUTION:
Never run the engine without the air filter, serious
Fig. 70
damage could result.
Make sure the air filter is correctly placed in the air
filter cover before reassembly.
UK - Page 33
SCREW
AIR FILTER
FAN
HOUSING
BAFFLE
STARTER ASSEMBLY
CYLINDER COVER
SCREWS
Fig. 71
AIR FILTER
RETAINING
SCREW
Fig. 72
PRE-FILTER
Fig. 73