Maintenance - Briggs & Stratton 120000 Operating And Maintenance Instruction Manual

This engine is certified to operate on gasoline. Exhaust Emission Control System:
EM (Engine Modifications).
D not use gasoline which contains Methanol. Do not mixoil with gasoline.
O
Adding Fuel
Clean around f,e, ti I oefore remoring cap. Fill tank to approximately 1.112 inches
WAR
Before refueling, allow engine to cool 2 minutes.
STARTING
intended to warn the operator that the engine is low on oil. Always check oil level
before starting. Engine damage may occur if the oil level is not properly
maintained and will void warranty coverage. If the engine will not start, has
stopped running andlor a ligM flickers in the stop switch, add oil (see oil
procedure Fig. 2).
BEFORE STARTING THE ENGINE
Add oil and fuel as instructed in this manual.
2. Move choke control
to FA S T pbslt on
4
5. Move stop control
not start. or realart. 011 mJs1 oe aooed. Fill to FULL
mark on n nshck or ovedlflokina al oil I ler o~uo Do not over fill 0.- GARD hov~ever.
STARTING THE ENGINE
Rewind Starter
1 Grasp rope nandle 0 an0 ~ L I slowly unl, res stance ts fcH Tnen pull cold
rap ol/ lo overcome
2 Rspe3t
engine starts, operie in FAST position
Rapid retraction of staiter cord (kickback) will pun hand and arm toward
engine faster than you can let go.
Electric Starter
On engines equipped with 12 volt starting systems, turn key to START
1.
position O.
2. Repeat if necessary wi T h thronle conbol In FAST position. When engine
starts, operate in FAST podion.
engtne as equtprnctil manufacturs reconmends
Note: Use short starting cycles (15 sec. per minute) to prolong starter life. ExTended
cranking can damage starter motor.
STOPPING
2. Then move stop control to OFF position
3. Close fuel shut-off valve 0.
CAUTION: DO NOT move choke control to CHOKE poslon to stop engine.
Note: Always remove key from switch when equipment is not in use or left unat-
tended.
Note: When engine is transported, dose fuel shut-off valve to prevent leakage.
N G
NI
,
,
if equipped.
WARNIN G
oeforo tyng to stan
0 ,
if equipped.
freq lent sewlce is required whe~i operattng In adverse cor Uilions.
may shatter during operation.
Follow the hourly or calendar intewals, whichever occur first. More frequent
service is required when operating in adverse conditions noted below.
First 5
Change oil
8 H o h or
Every Daily
Check oil level
Clean around muffler
or
25 Hours
Every
Change oil if operating under heavy load or high ambient temperature
level.
Every or
50 Hours
Clean and inspect spark arrester, if equipped
Hours or
Every
Service oil foam air cleaner or cartridge*
Change gear reduction oil, if equipped
Clean cooling system*
Every
Season
Check valve clearance
prolonged operatbn
Check oil level regularly.
Be sure cotrecl o I&
Changing Oil
Cnange om aher firs! hours of operailon Changc o
Changlng Oil Gear Reduction, i f equipped
Remove oil fill plug and oil level plug
or every season. To refill, pour SAE 30 oil into oil fill hole until it runs out level
check hole. Replace both plugs. Oil fill plug has a vent hole
installed on top of gear case cover.
AIR CLEANER MAINTENANCE
Air
Dual Element Cleaners
To kewlce prec ea:ler,
solvents will dissolve finer
*
To prevent acc~dental starting, remove spark plug
wire and keeD awav from soark Dlua before
servicing.
Every Season
Every Season
Every Season
grass
dry
I
. .
Drain oil every 100 hours of operation
.
.
cqutppeo nisn :n lhquld delergent andwaler. S q ~ e c ~ c
,
present or afier
debris is
rot
6
O
. .
and must be