CUSTOMER RESPONSIBILITIES

CLEAN AIR SCREEN

Air screen must be kept free of dirt and chaff to prevent engine damage from overheating. Clean with a wire brush or compressed air to remove dirt and stubborn dried gum fibers.

ENGINE COOLING FINS (See Fig. 12)

Remove any dust, dirt or oil from engine cooling fins to prevent engine damage from overheating.

Remove screws from blower housing and lift housing and dipstick tube assembly off engine.

Cover oil fill opening to prevent entry of dirt.

Use compressed air or stiff bristle brush to thoroughly clean engine cooling fins.

To reassemble, reverse above procedure.

SCREWSBLOWER HOUSING

SCREWS

AIR SCREEN

OIL FILL

TUBE

ASSEMBLY

 

SPARK

ENGINE COOLING FINS

PLUG

 

FIG. 12

AIR FILTER (See Fig. 13)

Your engine will not run properly using a dirty air filter. Clean the foam pre-cleaner after every 25 hours of operation or every season. Service paper cartridge every 100 hours of operation or every season, whichever occurs first.

Service air cleaner more often under dusty conditions.

Remove knob(s) and cover.

TO SERVICE PRE-CLEANER

Slide foam pre-cleaner off cartridge.

Wash it in liquid detergent and water.

Squeeze it dry in a clean cloth.

Saturate it in engine oil. Wrap it in clean, absorbent cloth and squeeze to remove excess oil.

If very dirty or damaged, replace pre-cleaner.

Reinstall pre-cleaner over cartridge.

Reinstall cover and secure with knob(s).

TO SERVICE CARTRIDGE

Remove cartridge nut.

Carefully remove cartridge to prevent debris from enter- ing carburetor. Clean base carefully to prevent debris from entering carburetor.

Clean cartridge by tapping gently on flat surface. If very dirty or damaged, replace cartridge.

Reinstall cartridge, nut, precleaner, cover and secure with knob(s).

IMPORTANT: PETROLEUM SOLVENTS, SUCH AS KEROSENE, ARE NOT TO BE USED TO CLEAN THE CARTRIDGE. THEY MAY CAUSE DETERIORATION OF THE CARTRIDGE. DO NOT OIL CARTRIDGE. DO NOT USE PRESSURIZED AIR TO CLEAN OR DRY CARTRIDGE.

COVER

KNOB

 

CARTRIDGE

COVER

NUT

PAPER

CARTRIDGE

FOAM

PRE-CLEANER

BASE

FIG. 13

17

Page 17
Image 17
Poulan 181537 manual Clean AIR Screen, Engine Cooling Fins See Fig, AIR Filter See Fig, To Service PRE-CLEANER