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11
MAINTENANCE
MAINTENANCE
Regular maintenance will improve the performance and
extend the life of the engine. See any Authorized Briggs &
Stratton Dealer for service. Use only genuine Briggs &
Stratton parts. Other parts may not perform as well,
may damage the engine, and may result in injury. In
addition, use of other parts may void your warranty.
EMISSION CONTROL
Maintenance, replacement or repair of the emission
control devices and systems may be performed by any
nonroad engine repair establishment or individual.
However, to obtain no charge repairs under the terms and
provisions of the Briggs & Stratton warranty statement, any
service or emission control part repair or replacement must
be performed by a factory authorized dealer.
Task
Perform task at hourly
or calendar interval,
whichever comes first.
Every 8 Hours
or Daily
25 Hours or
Every Season
50 Hours or
Every Season
100 Hours or
Every Season
100-300 Hours
Check oil level
4
Change oil
4*
Service air cleaner
4**
Inspect spark arrester
(if equipped)
4
Replace spark plug
4
Replace in-line fuel filter
(if equipped)
4
Clean debris
4***
Clean air cooling system
4**
***
Clean combustion
chamber
4
* Change oil after first 5 to 8 hours of use, then every 50
hours or every season. Change oil every 25 hours when
operating the engine under heavy load or in high
temperatures.
** Clean more often under conditions of dust or airborne debris.
Replace air cleaner parts, if very dirty.
*** On string trimmer applications:
– clean debris at each refueling, sooner if needed (see
CLEANING DEBRIS section);
– have qualified technician clean air cooling system every 30
hours, every season, or sooner if needed, especially in high
debris conditions (see AIR COOLING SYSTEM section).
CAUTION: Used oil is a hazardous waste prod-
uct. Dispose of used oil properly. Do not discard
with household waste. Check with your local
authorities, service center, or dealer for safe
disposal/recycling facilities.
CHANGING OIL
[1] Before tipping engine or
equipment to drain oil, drain
fuel from tank by running
engine until fuel tank is
empty.
[2] Disconnect spark plug wire and keep it away from
spark plug.
[3] With engine OFF but still warm remove dipstick.
[4] Top oil drain, keep air cleaner above oil outlet.
Bottom or side oil drain (if equipped), keep engine
level. Drain oil into appropriate receptacle.
Note: Top oil drain is recommended method, however
oil can drain from side (if equipped) or bottom as shown.
[5] Place engine level. Add about 5/8 quart
(20 ounces: 0.6 liter) new oil. Fill to FULL line on
dipstick. Do not overfill.
[6] Replace dipstick.
WARNING
AIR
CLEANER
BOTTOM OIL DRAIN
RATCHET
AND
EXTENSION
CUTTING
BLADE
OIL
DRAIN
PLUG
DRAIN
PLUGS
PIPE
3/8”
SQUARE
TOP OIL DRAIN
SIDE OIL DRAIN (IF EQUIPPED)
WARNING
Unintentional sparking can result
in fire or electric shock.
Unintentional start-up can result in
entanglement, traumatic amputa-
tion, or laceration.
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