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4. Recheck coolant levels in radiator and reservoir.
Fig. 8
Fan Belt
Check the condition of fan belt
Ê.
Replace if worn or damaged.
D
To check fan belt tension:
1. Apply 98 N (22 lbs.) of force at center Ë of span
between fan and alternator. Measurement Ì should
be 10 -12 mm (3/8 -1/2 in.) of belt movement.
To adjust fan belt tension:
A
1. First loosen the 2 bolts (
alternator.
2. Place a handle Í or similar object between the
alternator and engine cylinder block and move
alternator toward outside of engine. Stop when fan
belt conforms to specified tension listed above.
3. Tighten the alternator bolts to maintain tension, and
remove handle.
4. Check tension again, if within specifications, torque
bolts.
A
= 19 Nm (170 in. lbs.)
B
= 61 Nm (45 ft. lbs.)
Gasoline Filter
Fig. 3
To replace gasoline filter:
1.
Drain gasoline tank or close shut off valve.
2.
When replacing gasoline filter, ensure clamps are
tight and gasoline flows as shown Ê.
3.
Open gasoline shut off valve.
4.
Start engine.
5.
Check for gasoline leaks.
WARNING
Gasoline can leak out creating a fire / ex
plosion hazard.
Oil and Oil Filter
Fig. 9
Checking Oil Level
Check oil every 8 hours of operation or daily, before starting
engine.
1. Place equipment level and clean around dip stick.
2. Remove dipstick, wipe with clean cloth, insert
FULLY.
3. Remove dipstick and check oil level. Oil should be at
the F" mark Ê.
4. If oil is required, follow Steps 6 thru 11 below.
Fig. 10
Changing Oil / Oil Filter
With engine off, but still warm.
1. Position equipment so that engine oil drain plug is
lowest point on engine.
2. Clean around oil drain plug Ê and oil fill cap Ë, then
remove allowing oil to drain completely.
3. Remove oil filter Ì.
4. Before installing new filter, apply fresh oil to filter
gasket. Reinstall filter by hand, once gasket contacts
adapter tighten 3/4 turn more.
5. Reinstall drain plug, torque to 34.5 Nm (25.5 ft. lbs.).
6. Place equipment level.
See OIL RECOMMENDATIONS section.
Oil capacity:
Max. 3.3 liters (3.50 qts) when changing Oil & Oil Filter
Max. 3.1 liters (3.25 qts) when changing Oil only
Always check oil level with dipstick.
CAUTION
When filling or adding oil.
:
To prevent oil from overrunning into breather and
damaging engine upon start up, proper venting is
necessary.
7. To provide proper venting, remove dipstick and place
on a clean surface. Also maintain a clearance
between the oil fill device and the oil fill hole in the
valve cover.
8. SLOWLY refill with a high quality oil up to F" level.
9. Replace and tighten oil filler cap and dipstick firmly.
10. Run engine at idle for 5 minutes, stop engine, wait
3 minutes, then recheck oil level. If required, add oil
to bring level to F" mark.
Fig. 9
B
and
) on the
11. Check for oil leaks around plug and filter.
CAUTION
Used oil is a hazardous waste product. Do
:
not discard with household waste. Check with your
local authorities, service center, or dealer for safe
disposal/recycling facilities
Spark Plugs
Replace spark plugs annually.
Check and re gap spark plugs, if required.
Spark Plug Gap
Note:
In some areas, local law requires using a resistor
spark plug to suppress ignition signals. If this engine was
originally equipped with resistor spark plug, use same type
of spark plug for replacement.
WHEN TESTING FOR SPARK
D
D
Tune Up Specifications
Spark Plug Gap
Valve Clearance (cold engine)
I
ntake
. . . . . . . . . . . . . . . . . . .
Exhaust
. . . . . . . . . . . . . . . . .
STORAGE
Engines stored over 30 days need special attention.
1.
To prevent gum from forming in the gasoline system
or on essential carburetor parts the engine needs
special attention.
If fuel tank contains oxygenated or reformulated
D
gasoline (gasoline blended with an alcohol or an
ether), drain all gasoline from the tank into an
approved storage container and then run engine until
it stops from lack of gasoline.
When gasoline is left in the engine a Gasoline
D
Stabilizer additive must be added to the gasoline in the
tank. Run engine for several minutes to circulate the
additive through the carburetor. Then engine with
gasoline can be stored.
If a Gasoline Stabilizer additive is not used. Drain
D
all gasoline from the tank into an approved storage
container and then run engine until it stops from lack of
gasoline.
2.
Change oil. See MAINTENANCE - Oil
3.
Remove spark plugs and pour about 30 cc (1 oz.) of
engine oil into each cylinder. Replace spark plugs
and crank slowly to distribute oil.
4.
Clean engine. See MAINTENANCE - Cleaning
Debris from Engine.
Item
Ê
.
Fig. 11
0.8 mm (0.030 in.)
. . . . . . . . . . . .
WARNING
Use only Briggs & Stratton Spark Plug
Tester.
DO NOT check for spark with spark
plug removed.
. . . . . . . . . . . . . .
0.8 mm (0.030 in.)
0.18 mm (0.007 in.)
0.18 mm (0.007 in.)
4
5.
Store in a clean and dry area.
Í
WARNING
WHEN STORING GASOLINE OR EQUIP
MENT WITH FUEL
DO NOT store near a furnace, stove, water heater or
D
other appliances which uses a pilot light or other
ignition source because they can ignite gasoline
vapors.
SERVICE AND PARTS
When you purchase equipment powered by a B&S engine,
you are assured of highly skilled, reliable service at more
than 30,000 Authorized Service Dealers worldwide, inclu
ding more than 6,000 Master Service Technicians.
Authorized Briggs & Stratton 3/LC Service Dealer's carry a
stock of Genuine Briggs & Stratton Parts and are equipped
with special service tools. Other parts may not perform as
well, may damage the engine, result in injury, or void your
warranty. Trained mechanics assure expert repair service
on all B&S engines.
An illustrated Briggs & Stratton 3/LC Engine Shop Manual
MS 0750 includes common specifications and detailed
information covering adjustment, tune up and repair of the
B&S 3/LC Engine. Order manual from an Authorized
Briggs & Stratton Service Dealer.
You may locate your nearest Authorized Briggs & Stratton
3/LC Service Dealer by viewing our locator map at:
www.briggsandstratton.com
Partial List of Genuine
BRIGGS & STRATTON Parts
Description
Oil 1.4 liter (48 oz.) (1.5 qt.)
. . . . . . . . . . . . . .
Oil Filter
. . . . . . . . . . . . . . . . . . .
Air Cleaner Cartridge
. . . . . . . . . . . . . . . . . . .
Gasoline Filter
. . . . . . . . . . . . . . . . . . . . . . .
Gasoline Stabilizer:
. . . . . . . . . . . . . . . . . . . .
(treats 38 liters or 10 gals. of gasoline)
Resistor Spark Plug
Model Series 430400, 433400
Model Series 580400, 583400, 589400
Spark Plug Tester
. . . . . . . . . . . . . . . . . . . . . .
ENGINE IDENTIFICATION NUMBERS
(EIN/Serial Number)
To get replacement parts or technical assistance in the
future write your engine Model, Type, and Code numbers
along with the Date of Purchase here. These numbers are
located on your engine. See ENGINE COMPONENTS.
Model
Type
Code
Day
Month
Part No.
100028
491056 or 820314
820263
821026
100002
. . . . . . . . . . . .
491055
. . . . . .
496018
19400
Year
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