Engine Specifications; Troubleshooting - Briggs & Stratton Vanguard Gaseous 580000 Operator's Manual

NOTICE: Do not use pressurized air or solvents to clean the filter. Pressurized air can
damage the filter and solvents will dissolve the filter.
See the Maintenance Chart for service requirements.
1. Open the latches (A) and remove the cover (B). See Figure 7.
2. Remove the air filter (C).
3. To loosen debris, gently tap the air filter on a hard surface. If the air filter is
excessively dirty, replace with a new air filter.
4. Install the air filter.
5. Install the cover and close the latches.
How To Check/Adjust The Fan Belt - Figure 8
Check Fan Belt
1. Check the condition of the fan belt (A, Figure 8). If the fan belt has cracks or is
damaged, replace with a new belt.
2. Check the tension (B) of the fan belt. Press on the center (C) of the fan belt. If
tension is correct, the belt will move 3/8 -- 1/2 in (10 -- 12 mm) if 22 lbs (10 kg) of
force is applied to the center of the belt. If the tension is too loose, adjust as follows.
Adjust Fan Belt Tension
1. Loosen the alternator mounting bolts (D) and (E). See Figure 8).
2. Position a pry bar (F) against the alternator (G) and the side of the engine block. To
tighten the fan belt, pull on the pry bar. Temporarily tighten the alternator mounting
bolts.
3. Check the tension of the fan belt. See Check Fan Belt section. If necessary, repeat
the procedure.
4. Tighten the alternator mounting bolts.
Torque bolt (D) to 14 ft-lbs (19 Nm).
Torque bolt (E) to 45 ft-lbs (61 Nm).
Storage
WARNING
Fuel and its vapors are extremely flammable and explosive.
Fire or explosion can cause severe burns or death.
When Storing Fuel Or Equipment With Fuel In Tank
Store away from furnaces, stoves, water heaters or other appliances that have
•
pilot lights or other ignition sources because they can ignite fuel vapors.
Engine Oil
While the engine is still warm, change the engine oil.

Troubleshooting

Need Assistance? Go to BRIGGSandSTRATTON.COM or call 1-800-233-3723.
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Specifications

Engine Specifications

Model
Displacement
Bore
Stroke
Oil Capacity
Tune-up Specifications *
Model
Spark Plug Gap
Spark Plug Torque
Intake Valve Clearance
Y
Exhaust Valve Clearance
Y
* Engine power will decrease 3.5% for each 1,000 feet (300 meters) above sea level and
1% for each 10° F (5.6° C) above 77° F (25° C). The engine will operate satisfactorily at
an angle up to 15°. Refer to the equipment operator's manual for safe allowable
operating limits on slopes.
Check when engine is cold.
Y
Common Service Parts n
Service Part
Air Filter
Oil Filter
Resistor Spark Plug
Spark Plug Wrench
Spark Tester
V-Belt (940 mm)
V-Belt (970 mm)
n We recommend that you see any Briggs & Stratton 3/LC Authorized Dealer for all
maintenance and service of the engine and engine parts.
580000
58.16 ci (953 cc)
2.835 in (72 mm)
3.071 in (78 mm)
3.5 qt (3,3 L)
580000
0.030 in (0.76 mm)
180 lb-in (20 Nm)
0.007 in (0.18 mm)
0.007 in (0.18 mm)
Part Number
820263
491056
496055, 5068
19374
19400
821075
820893
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