PPR20H42STB Poulan lawn tractor

User Manual - Page 19

For PPR20H42STB.

PDF File Manual, 48 pages, Download pdf file

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CUSTOMER RESPONSIBILITIES
CLEAN AIR SCREEN
Air screen must be kept free of dirt and chaff to prevent
engine damage from overheating. Clean with awire brush or
compressed air to remove dirtand stubborn dried gum fibers.
CLEAN AIR INTAKE/COOLING AREAS
To insure proper cooling, make sure the grass screen,
cooling fins, and other external surfaces of the engine are
kept clean at all times.
Every 100 hours of operation (more often under extremely
dusty, dirty conditions), remove the blower housing and
other cooling shrouds. Clean the cooling fins and external
surfaces as necessary. Make sure the cooling shrouds are
reinstalled.
NOTE: Operating the engine with a blocked grass screen,
dirtyorplugged cooling fins, and/or cooling shrouds removed
will cause engine damage due to overheating.
AIR FILTER (See Fig. 16)
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 knobs and cover.
TO SERVICE PRE-CLEANER
Wash itin liquid detergent and water.
Squeeze itdry in a clean cloth.
Saturate itinengine oil. Wrap itinclean, absorbent cloth
and squeeze to remove excess oil.
If very dirty or damaged, replace pre-cleaner.
TO SERVICE CARTRIDGE
Clean cartridge by tapping gently on flat surface. Ifvery
dirty or damaged, replace cartridge.
Reinstall precleaner cartridge, cover and secure with
knobs.
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.
MUFFLER
Inspect and replace corroded muffler and spark arrester (if
equipped) as itcould create a fire hazard and/or damage.
SPARK PLUGS
Replace spark plugs at the beginning of each mowing
season or after every 100 hours of operation, whichever
occurs first. Spark plug type and gap setting are shown in
"PRODUCT SPECIFICATIONS" section of this manual.
IN-LINE FUEL FILTER (See Fig. 17)
The fuel filter should be replaced once each season. If fuel
filter becomes clogged, obstructing fuel flow to carburetor,
replacement isrequired.
With engine cool, remove filter and plug fuel line sec-
tions.
Place new fuel filter in position in fuel line with arrow
pointing towards carburetor.
Be sure there are no fuel line leaks and clamps are
properly positioned.
Immediately wipe up any spilled gasoline.
FUEL
FILTER
FIG. 17
CLEANING
Clean engine, battery, seat, finish, etc. of all foreign
matter.
Keep finished surfaces and wheels free of all gasoline,
oil, etc.
Protect painted surfaces with automotive type wax.
We do not recommend using a garden hose to clean your
tractor unless the electrical system, muffler, air filter and
carburetor are covered to keep water out. Water inengine
can result ina shortened engine life.
FIG. 16
19
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