Briggs & Stratton 81900 - Manual (Page 5)

CHANGE OIL (Oil tump)
Chang« oil after first 5 hours of opera­
tion while engine is wann. Thereafter
change oil every 25 hours of operation
while engine is warm. Drain plug is
on bottom of oil sump.
Engine may be drained through oil
drain Fig. 1, or oil filler opening shown
in Fig. 2. Be sure to replace drain plug
and oil filler cap. Check oil level regu­
larly — at least after each 5 hours of
operation. Be sure oil level is main­
tained FULL TO POINT OF OVER­
FLOWING.
REGULAR MAINTENANCE
■OU-Faam** Type
1. Remove thumb screw
2. Lift air cleaner from carburetor
SECTION II
SERVICE AIR CLEANER RE6UURLY
Clean and re-oil the air cleaner fre­
quently (every few hours under ex­
tremely dusty conditions). Clean and
re-oil at least every 25 hours urfder
rtormal conditions.
Choke-A-Matic Carburetor
Proper choke and stop switch operation
IS dependent upon proper adjustment
of remote controls on the powered
equipment.
Ta Check Operation:
Remove Air Clearter. Move remote corv
trol lever to CHOKE position. The car­
buretor choke should then be closed.
Move the remote control lever to STOP.
Speed lever on carburetor should then
make contact with stop switch to short
out ignition.
OIL-MINDER
Special accessory furnished on some
vertical crankshaft models. This visual
gauge permiu checking the oil level
without rerrwving oil filler plt^.
Take air cleaner apart
A—Wash element in kerosene or
solvent
B —Squeeze dry and re-oil arlth 3
tablespoons of engine oil.
C —Squeeze
№ru foam. again to spread oil
D — Assemble parts — fasten to car­
buretor with screw.
1. Position engine level (Not Ruoning).
2. Press and ralaase bellows several
times.
If ptastic tube fills with oil, it is safe to
operate engine.
If plastic tube does net fill with oil, ert-
gine oil is low. Remove OIL-MINOER
and fill crankcase to point of over­
flowing.
(T0RA6E INSTRUCTIONS
Engines to be stored over 30 days
should be completel)T drained of fuel to
prevent gum deposits forming on es­
sential carburetor parts, fuel filter, fuel
lines and tank.
0 . All fuel should be removed from
fuel tank. Run the cnaine until it
stops from lock of fuel. The small
omount of fuel that remains in the
sump of the tonk should then be
removed by obs orbing it with a
.clean dry cloth.
SECTION
tv
— ADJUSTMENTS —
80VERN0R ADJUSTMENTS
Ta Adjust
Place remote control lever in FAST po­
sition. Loosen casing clamp screw (B)
on carburetor. Move control casing (A)
forward or backward until speed lever
(C) just touches the choke operating
link at (0). Tighten casing clamp screw
(B) on carburetor. Re-check operation
of controls after adjustment Replace
air cleaner.
Manual Frietion-Typt
Sevtmer Cantret
To mcrease or decrease engine speed,
move speed adjusting rod as shoim.
b. While engine it still drain oil
from crankcase. Refill with frish oil.
c. Remove tpsrk plug, pour 1 ounce of
SAE-30 oil into cylinder and crank
slowly to distribute oil. Replace
spark plug.
d. Clean dirt and chaff from cylinder,
cylinder head fins and blower hous­
ing.
lameta Savamer Canttelt
•Tr*0*m«rt »f arias* a Stratten Corp.