Air Cleaner; Fuel System - Briggs & Stratton 28N700 Operating & Maintenance Instructions

MAINTENANCE
CHANGING OIL FILTER (IF EQUIPPED)
Replace oil filter after every 100 hours of operation.
OIL FILTER
P/N SEE PAGE 15
[1] Drain engine oil and remove oil filter.
[2] Before installing new filter, lightly oil filter gasket with
fresh, clean engine oil.
[3] Screw filter on by hand until gasket contacts oil filter
adapter. Tighten 1/2 to 3/4 turn more.
[4] Add fresh oil. Fill to FULL line on dipstick.
[5] Start and run engine at idle to check for oil leaks.
[6] Stop engine. Recheck oil level and add oil if required.
OIL PRESSURE
If oil pressure drops too low, an oil pressure switch (if
engine is equipped) will either activate a warning light or
stop the engine. Check oil level with dipstick. If oil level is
between ADD and FULL mark on dipstick, Do not try to
restart engine. Contact an Authorized Briggs & Stratton
Service Dealer. Do not operate engine until oil pressure is
corrected.
If oil level is below ADD mark on dipstick, add oil to bring
level to FULL mark. Restart engine and check oil pressure.
If pressure is normal, continue to operate engine.
Note: Oil pressure gauge, if engine is equipped, is supplied
by manufacturer of equipment.

AIR CLEANER

All engines have an air cleaner cartridge. In addition, some
engines have a pre-cleaner.
CARTRIDGE &
PRE-CLEANER
5053
REMOVING AND RE-INSTALLING AIR CLEANER
[1] Remove cover knob and cover.
[2] Remove cartridge knob.
[3] Carefully lift air cleaner assembly (pre-cleaner, if
[4] Clean base carefully to prevent debris from entering
[5] Reassemble pre-cleaner on cartridge and place assem-
[6] Tighten cartridge knob securely.
[7] Replace cover and tighten cover knob securely.
CLEANING PRE-CLEANER AND CARTRIDGE
CAUTION: Do not use pressurized air or solvents to
clean cartridge. Pressurized air can damage
cartridge; solvents will dissolve cartridge.
Pre-cleaner
To clean pre-cleaner (if equipped), separate it from
cartridge and wash in liquid detergent and water. Squeeze
dry in a clean cloth. Saturate in engine oil. Squeeze in
clean, absorbent cloth to remove all EXCESS oil.
Cartridge
To clean cartridge, gently tap on a flat surface.

FUEL SYSTEM

REPLACE FUEL FILTER (if equipped)
PART NO. 394358
(WITH FUEL PUMP)
COVER
KNOB
PART NO. 298090 OR 5018
(WITHOUT FUEL PUMP)
COVER
CARTRIDGE
KNOB
CARTRIDGE
496894
PRE-CLEANER
212403
STUD
BASE
12
equipped, and cartridge) from base over stud.
carburetor.
bly over stud. Air cleaner must fit securely in base.
Replacement parts for fuel
WARNING
system (cap, hoses, tanks,
filters, etc.) must be the same
as original parts, otherwise
fire can occur.
FUEL FILTER
FUEL HOSE CLAMPS
[1] Disconnect spark plug
WARNING
wire and keep it away
from spark plugs.
[2] Drain fuel tank or close
fuel shut-off valve before
replacing
Otherwise, fuel can leak
out, creating a fire/explo-
sion hazard.
fuel filter.