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Inspect the muffler and spark arrester
Replace the spark plugs
Replace the fuel filter
Clean the air cooling system
*Whichever comes first.
**Clean more often in dusty conditions or when airborne material is
present.
Tire Pressure Check
For correct traction and best mowing performance, make sure
that the tire inflation pressure is 12-14 psi (0,82-0,96 bar).
Refer to Tire Pressure Check in the Maintenance Schedule.
Also, see Tire Inflation Pressure in the Specifications section.
Note: The Tire Inflation Pressure can be slightly different from
the "Maximum Inflation" shown on the side of the tires.
Clean the Battery and Cables
WARNING
When removing or installing battery cables, disconnect the
negative cable FIRST and reconnect it LAST. If not done in
this order, the positive terminal can be shorted to the frame
by a tool.
1. Disconnect the cables from the battery, negative (-) cable
first.
2. Remove the battery hold-down strap and battery.
3. Clean the battery compartment with a solution of baking
soda and water.
4. Clean the battery terminals and cable ends with a wire
brush and battery terminal cleaner until shiny.
5. Reinstall the battery in the battery compartment, and
secure with the battery hold-down strap.
6. Reattach the battery cables, positive (+) cable first (A, B,
Figure 10).
7. Coat the cable ends and battery terminals with petroleum
jelly or non-conducting grease.
Charge the Battery
WARNING
Keep open flames and sparks away from the battery; the
gasses coming from it are highly explosive. Ventilate the
battery well during charging.
A dead battery or one too weak to start the engine can be the
result of a defect in the charging system or other electrical
component. If there is any doubt about the cause of the
problem, see your dealer. If you need to replace the battery,
follow the steps under Clean the Battery and Cables.
To charge the battery, follow the instructions provided by the
battery charger manufacturer as well as all warnings included
in the safety rules sections of this book. Charge the battery
14
ENGINE
until fully charged. Do not charge at a rate higher than 10
amps.
Mower Blade Stop Time
WARNING
If the mower blade does not come to a complete stop within
5 seconds, the clutch must be adjusted. Do not operate the
machine until the correct adjustment has been performed by
a Briggs & Stratton Authorized Service Dealer.
The mower blades and mower drive belt must stop within
five seconds after the electric Power Take-Off (PTO) switch
turns OFF. If the mower drive belt does not stop within five
seconds, see a Briggs & Stratton Authorized Service Dealer
for repairs.
Change the Engine Oil
1. Run engine until warm.
2. Place the rider on a level surface (refer to Figure 11).
3. Stop the engine and remove starter insert (A, Figure 11)
or key.
4. Clean oil fill and filter areas of any debris.
5. Remove dipstick (B) and lay on clean cloth.
6. Disconnect the oil drain hose (A, Figure 12).
7. Carefully remove cap (B) and lower hose into an
approved container (C).
8. After the oil has drained, install cap tightly, then attach the
hose to the side of the engine.
9. Remove the oil filter (B, Figure 13) and dispose of
properly.
10. Lightly lubricate the oil filter gasket (A) with fresh, clean
oil.
11. Install the oil filter by hand until the gasket contacts the oil
filter adapter (C), then tighten the oil filter 1/2 to 3/4 turns.
12. Add oil (refer to the Check and Add Engine Oil section).
Air Filter Assembly (Cartridge with pre-
cleaner)
WARNING
DO NOT start or run the engine with the air cleaner
assembly or air filter removed as it is a fire hazard.
NOTICE
Do not use pressurized air or solvents to clean the filter.
Pressurized air can damage the filter, and solvents will
dissolve the filter.
1. Loosen the fasteners (A, Figure 14) and remove the
cover (B).
2. Remove the air cleaner assembly (C) and disassemble.
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