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2.
Remove the oil filter (H, Figure 10) and discard correctly.
3.
Before you install the new oil filter, lightly lubricate the oil filter gasket with clean oil.
4.
Install the oil filter by hand until the gasket touches the oil filter adapter, then tighten
the oil filter 1/2 to 3/4 turns.
5.
Add oil. Refer to the Add Oil section.
6.
Start and operate the engine. When the engine is warm, do a check for oil leaks.
7.
Stop the engine. Make sure that oil level is at the top of the full indicator on the
dipstick. Refer to the Add Oil section.
Add Oil
•
Make sure the engine is level.
•
Clean the oil fill area of all debris.
Refer to the Specifications section for oil capacity.
•
1.
Remove the dipstick (A, Figure 8). Remove oil from the dipstick with a clean cloth.
2.
Slowly add oil into the engine oil fill (C, Figure 8). Do not overfill. Wait one minute
and then check the oil level.
3.
Install and tighten the dipstick (A, Figure 8).
4.
Remove the dipstick and check the oil level. The correct oil level is at the top of the
full indicator (B, Figure 8) on the dipstick.
5.
Install and tighten the dipstick (A, Figure 8).
6.
Connect the spark plug wire(s) (D, Figure 7) to the spark plug(s) (E).
Servicing the Air Filter
WARNING
Fuel vapors are flammable and explosive. Fire or explosion could result in burns
or death.
•
Do not start and operate the engine with the air cleaner assembly (if equipped)
or the air filter (if equipped) removed.
NOTICE
Do not use pressurized air or solvents to clean the filter. Pressurized air could result in
damage to the filter and solvents will dissolve the filter.
See the Maintenance Schedule for service requirements.
Different models will use a foam or a paper filter. Some models could also have an
optional pre-cleaner that can be washed and used again. Compare the illustrations in
this manual with the type installed on your engine and service as follows.
Cyclonic Air Filter with Safety Filter
1.
Open the fastener(s) (A, Figure 11) and remove the cover (B).
2.
Remove the air filter (C, Figure 11).
3.
To loosen debris, lightly tap the air filter on a hard surface. If the air filter is dirty,
replace it with a new air filter.
4.
To remove the safety filter (D, Figure 11), if installed, carefully pull it away from the
air cleaner body (E). Make sure that dirt or debris does not go into the engine.
5.
Install the new safety filter (D, Figure 11) in the air cleaner body (E).
6.
Install the air filter (C, Figure 11) above the safety filter (D).
7.
Install the cover (B, Figure 11) and close the fastener(s) (A).
Low Profile Air Filter
1.
Remove the fastener(s) (A, Figure 12).
2.
Remove the cover (B, Figure 12).
3.
Remove the fastener(s) (C, Figure 12) and retainer (D).
4.
Remove the air filter (E, Figure 12).
5.
Remove the pre-cleaner (F, Figure 12), if installed, from the air filter (E).
6.
To loosen unwanted material, lightly tap the air filter (E, Figure 12) on a hard
surface. If the air filter is dirty, replace with a new air filter.
7.
Clean the pre-cleaner (F, Figure 12), if installed, in liquid detergent and water. Make
sure the pre-cleaner is fully dry. Do not lubricate the pre-cleaner.
8.
Assemble the dry pre-cleaner (F, Figure 12), if installed, to the air filter (E).
9.
Install the air filter (E, Figure 12) with the retainer (D) and fastener(s) (C).
10. Install the cover (B, Figure 12) with the fastener(s) (A). Make sure that the
fastener(s) is tight.
8
Servicing the Cooling System
WARNING
During operation, the engine and muffler become hot. If you touch a hot engine,
thermal burns can occur.
Combustible debris, 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.
NOTICE
Do not use water to clean the engine. Water could cause contamination of the fuel
system. Use a brush or dry cloth to clean the engine.
This is an air cooled engine. Dirt or debris can stop the air flow and cause the engine to
become too hot and result in unsatisfactory performance and decreased engine life.
1.
Use a brush or dry cloth to remove debris from the air intake area (A, Figure 13).
2.
Keep linkage, springs, and controls (B, Figures 13, 14) clean.
3.
Keep the area around and behind the muffler (C, Figures 13, 14) free of
combustible debris.
4.
Make sure the oil cooler fins (D, Figure 13) are free of dirt and debris.
5.
Loosen the fastener(s) (E, Figures 13, 14) and remove the debris access panels
(F). Remove grass and debris that has collected on the cylinders.
6.
Install the debris access panels (F, Figures 13, 14) and attach with fastener(s) (E).
After a period of time, debris can collect in the cylinder cooling fins and cause the engine
to overheat. This debris cannot be removed without partial disassembly of the engine.
As recommended in the Maintenance Schedule, have a Briggs & Stratton Authorized
Service Dealer inspect and clean the air cooling system.
Storage
WARNING
Propane and natural gas are flammable and explosive. Fire or explosion could
result in burns or death.
Fuel Storage
•
Because pilot lights or other ignition sources can cause explosions, keep fuel or
equipment away from furnaces, stoves, water heaters or other appliances that
have pilot lights.
Engine Oil
While the engine is warm, change the engine oil. Refer to Change the Engine Oil
section.
NOTICE Keep the engine level at the usual operating position. If the engine is tipped in
other directions, it can be difficult to start due to oil contamination to the air filter and/or
the spark plug.
Troubleshooting
Assistance
For assistance, contact your local dealer or go to BRIGGSandSTRATTON.COM or call
1-800-444-7774 (in USA).
Specifications
Specifications and Service Parts
Model: 540000
Displacement
Bore
Stroke
Oil Capacity
Spark Plug Gap
Spark Plug Torque
Armature Air Gap
Intake Valve Clearance
Exhaust Valve Clearance
Model: 610000
Displacement
Bore
Stroke
54.68 ci (896 cc)
3.366 in ( 85,5 mm)
3.071 in (78,0 mm)
78 - 80 oz (2,3 - 2,4 L)
.020 in (,51 mm)
180 lb-in (20 Nm)
.005 - .008 in (,13 - ,20 mm)
.004 - .006 in (,10 - ,15 mm)
.007 - .009 in (,18 - ,23
60.60 ci (993 cc)
3.366 in (85,5 mm)
3.406 in (86,5 mm)
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