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Maintenance Schedule
First 5 Hours
•
Change the oil.
Intervals of 8 Hours or Daily
•
Check the engine oil level.
•
Clean the area around the muffler.
•
Clean the air intake grille.
Intervals of 100 Hours or Annually
•
Service the exhaust system.
Intervals of 200 Hours or Annually
•
Change the engine oil.
•
1
Clean the air filter
Intervals of 600 Hours or 2 Years
•
Replace the air filter.
•
1
Replace the fuel filter
Annually
•
Replace the spark plug.
•
Service the fuel system.
•
1
Service the cooling system
.
•
2
Check the valve clearance
.
1
Clean more frequently in dusty conditions or when many particles are in the air..
2
Not necessary unless engine problems occur.
Electronic Fuel Injection (EFI) System
The EFI System monitors engine temperature, engine speed, and battery voltage for
engine start-up and warm-up. There are no adjustments on the system. If start-up or
operation problems occur, contact a Briggs & Stratton Authorized Service Dealer.
NOTICE Make sure to obey the steps that follow or damage to the EFI system could
occur.
•
DO NOT start the engine if the battery cables are loose.
•
Turn the key to the OFF position before you disconnect, remove, and / or install
the battery.
•
DO NOT use a battery charger to start the engine.
•
DO NOT disconnect the battery cables during engine operation.
•
When you disconnect the battery cables, first connect the positive (+) cable, and
then connect the negative (-) cable to the battery.
•
When you charge the battery, turn the ignition switch to the OFF position, and
disconnect the negative (-) battery cable from the battery.
•
DO NOT spray water directly on the Electronic Control Module.
Servicing the Spark Plug
Check the spark plug gap (A, Figure 9) with a wire gauge (B). If necessary, set the
spark plug gap. Install and tighten the spark plug to the correct torque. For gap and
torque specifications, refer to the Specifications section.
To get access to the spark plug, make sure that the engine is set to the OFF position.
Disconnect the spark plug wire (D, Figure 10), and keep it away from the spark plug (E).
On some EFI-ETC Models, you must remove the heat shield to get access to the spark
plug. Use the steps that follow to get access to the spark plug.
1.
Unlock the red tab (A, Figure 11) from the connector (B)
2.
Push the black tab (C, Figure 11) while you pull the connector (B) out of the ignition
coil (D).
3.
Remove the debris valve (E, Figure 11).
4.
Remove the top screw (F, Figure 11) and the side screw (G) from the bracket (H).
5.
Remove the heat shield (H, Figure 11).
6.
Remove the ignition coil (D, Figure 11).
7.
Replace the spark plug (I, Figure 12).
8.
Install the ignition coil (D, Figure 11).
9.
Install the bracket (H, Figure 11).
10. Install the top screw (F, Figure 11) and side screw (G) in the bracket (H).
11. Install the debris valve (E, Figure 11).
12. Install the connector (B, Figure 11) into the ignition coil (D).
13. Lock the red tab (A, Figure 11).
Servicing the Exhaust and Cooling Systems
WARNING
During operation, the engine and muffler become hot. If you touch a hot engine,
thermal burns can occur.
Combustible materials, such as leaves, grass and brush, can catch fire.
•
Before you touch the engine or muffler, stop the engine and wait two (2)
minutes. Make sure that the engine and muffler are safe to touch.
•
Remove debris from the muffler and engine.
It is a violation of California Public Resource Code, Section 4442, to use or operate the
engine on any forest-covered, brush-covered, or grass-covered land unless the exhaust
system is equipped with a spark arrester, as defined in section 4442, maintained in
effective working order. Other states or federal jurisdictions may have similar laws;
reference Federal Regulation 36 CFR Part 261.52. Contact the original equipment
manufacturer, retailer, or dealer to obtain a spark arrester designed for the exhaust
system installed on this engine.
This is an air cooled engine. Dirt or unwanted material can prevent air flow and cause
the engine to become too hot. This results in unsatisfactory performance and decreases
the life of the engine. The cylinder cooling fins can collect unwanted material that cannot
be remove without partial disassembly of the engine. Make sure that a Briggs & Stratton
Authorized Service Dealer examines and cleans the air cooling system. Refer to the
Maintenance Schedule.
1.
Make sure that no combustible materials are around and behind the muffler.
2.
Use a brush or dry cloth to remove all unwanted material from the blower housing
cover, muffler and cylinder area. DO NOT use water to clean the engine.
3.
Make sure that the linkage, springs, and controls are clean.
4.
Examine the muffler for cracks, corrosion, or other damage.
5.
Remove the deflector or the spark arrester, if installed, and examine for damage or
carbon blockage. Make sure that you clean or install the replacement parts before
you operate the equipment.
6.
If Installed, make sure that the oil cooler fins are clean.
Change Engine Oil
WARNING
Fuel and its vapors are flammable and explosive. Fire or explosion could result in
burns or death.
During operation, the engine and muffler become hot. If you touch a hot engine,
thermal burns can occur.
•
If you drain the oil from the top oil fill tube, the fuel tank must be empty. If it is not
empty, fuel leakage can occur and cause a fire or an explosion.
•
Before you touch the engine or muffler, stop the engine and wait two (2)
minutes. Make sure that the engine and muffler are safe to touch.
Used oil is a hazardous waste product and must be discarded of correctly. Do not
discard with household waste. Contact your local authorities, service center, or dealer
for safe disposal or recycling facilities.
Remove Oil
1.
With the engine OFF but warm, disconnect the spark plug wire (D, Figure 10),
and keep it away from the spark plug (E). For engine models that have a heat
shield (Figure 11), disconnect the spark wire as follows:
a.
Unlock the red tab (A, Figure 11) from the connector (B).
b.
Push the black tab (C, Figure 11) while you pull the connector (B) out of the coil
(D)
2.
Remove the dipstick (A, B, C, Figure 4).
3.
Remove one of the oil drain plugs (F, G, Figure 13). Drain the oil into an approved
container.
4.
Install and tighten the oil drain plug (F, G, Figure 13).
Add Oil
•
Make sure that the engine is level.
•
Clean the oil fill area of all unwanted material.
•
Refer to the Specifications section for oil capacity.
1.
Remove the dipstick (A, B, C, Figure 4).
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