Maintenance; Emission Control; Changing Oil - Briggs & Stratton Quantum 120000 Series Operating & Maintenance Instructions

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.
Task
Perform task at hourly
or calendar interval,
whichever comes first.
Check oil level
Change oil
Service air cleaner
Inspect spark arrester
(if equipped)
Replace spark plug
Replace in-line fuel filter
(if equipped)
Clean debris
Clean air cooling system
Clean combustion
chamber
* 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.
4
4
*
4
**
4
4
4
4
***
4
**
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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.

CHANGING OIL

WARNING
AIR
CLEANER
TOP OIL DRAIN
4
SIDE OIL DRAIN (IF EQUIPPED)
WARNING
[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.
11
MAINTENANCE
Unintentional sparking can result
in fire or electric shock.
Unintentional start-up can result in
entanglement, traumatic amputa-
tion, or laceration.
CUTTING
BLADE
3/8"
SQUARE
PIPE
DRAIN
PLUGS
BOTTOM OIL DRAIN
[1] Before tipping engine or
equipment to drain oil, drain
fuel from tank by running
engine until fuel tank is
empty.
OIL
DRAIN
PLUG
RATCHET
AND
EXTENSION