Briggs & Stratton 50000 Operating & Maintenance Manual page 6

tion every 50 hours or every season. Replace if
damaged.
Clean cooling system. Chaff or debris may clog engine's
air cooling system, especially after prolonged operation.
Internal cooling fins and surfaces may require cleaning
to prevent overheating and engine damage. Remove
blower housing and clean as shown
Clean fuel filter
Fig. 9
WARNING
•
Drain fuel tank or close fuel shut-off
valve before cleaning filter
Gasoline Engines: Clean fuel filter screen Ë.
Maintenance Schedule
Follow the hourly or calendar intervals, whichever
occur first. More frequent service is required when
operating in adverse conditions noted below.
First 5 Hours
D Change oil
Every 8 hours or daily
D Check oil level
D Clean around muffler, springs and linkages
Every 25 hours or every season
D Change oil if operating under heavy load or
high ambient temperature
D Service air cleaner pre-cleaner*
Every 50 hours or every season
D Change oil
D Clean and inspect spark arrester, if equipped
D Clean fuel filter**
Every 100 hours or every season
D Service air cleaner cartridge*
D Replace spark plug
D Clean cooling system*
Every season
D Check valve clearance
* Clean more often under dusty conditions,or
when airborne debris or chaff is present.
** If equipped with gaseous fuel in-line filter,
follow equipment manufacturers recom-
mended maintenance.
Partial List of Genuine Briggs & Stratton Parts
CAUTION:
Part numbers listed may be model specif-
ic, use correct part to prevent damage to your engine.
Model Series
Í
.
ALL
ALL
ALL
ALL
050000
050000
085400
085400
050000, 086400,
117400, 118400,
138400, 185400*,
245400*, 246400
246400
050000, 086400,
117400, 118400,
138400, 185400*,
245400*, 246400
185400, 235400,
245400
185400,
235400, 245400
ALL
(Except 050000,
086400, 118400)
050000,
086400, 118400
ALL OHV engines
(Except 050000,
086400, 118400)
ALL
ALL
* If equipped.
STORAGE
Gasoline engines stored over 30 days need to be
protected or drained of fuel to prevent gum from
Part
Part
forming in fuel system or on essential carburetor parts.
No.
For gasoline engine protection, we recommend use of
Oil
Briggs & Stratton Fuel Stabilizer available from an
100005
(20 oz., 0.59 l)
Authorized Briggs & Stratton Service Dealer. Mix
stabilizer with fuel in fuel tank or storage container. Run
Oil
100028
engine for a short time to circulate stabilizer through
(48 oz., 1.42 l)
carburetor. Engine and fuel can be stored up to 24
Oil Pump
months.
(uses standard 5056
Note: If stabilizer is not used or if engine is operating on
electric drill)
gasoline containing alcohol, e.g. gasohol, remove all fuel
Fuel Stabilizer 5058
from tank and run engine until it stops from lack of fuel.
Air Cleaner
Storage Procedures for Gas/LPG/NG engines.
711351
Cartridge
Fig. 2
Air Cleaner
11352
Pre-cleaner
1. Change oil. See Oil service.
Air Cleaner
2. Remove spark plug and pour about 15 ml (1/2
710265
Cartridge
Air Cleaner
710267
3. Clean chaff and debris from cylinder and cylinder
Pre-cleaner
4. Store in a clean and dry area, but NOT near a
Square
Air Cleaner
491588
Cartridge
SERVICE
Square
711785
Air Cleaner
See an Authorized Briggs & Stratton Service Dealer.
Each one carries a stock of Genuine Briggs & Stratton
Square
Parts and is equipped with special service tools.
Air Cleaner 491435
Trained mechanics assure expert repair service on all
Pre-cleaner
Briggs & Stratton engines. Only dealers advertising as
Authorized Briggs & Stratton" are required to meet
Air Cleaner
710266 Briggs & Stratton standards.
Cartridge
When you purchase equipment pow-
Air Cleaner
ered by a Briggs & Stratton engine, you
710268
Pre-cleaner
are assured of highly skilled, reliable
service at more than 30,000 Authorized
Resistor Spark
491055
Service Dealers worldwide, including
Plug
more than 6,000 Master Service Techni-
cians. Look for these signs wherever
Resistor Spark
711252
Briggs & Stratton service is offered.
Plug
Long Life
You may locate your nearest Authorized Briggs &
Platinum Spark 491055
Stratton Service Dealer in our dealer locator map on
Plug
our web site www.briggsandstratton.com or in the
Spark Tester 19368
Spark Plug
19374
Wrench
Note: Walking fingers logo and Yellow Pages" are
registered trademarks in various jurisdictions.
An illustrated shop manual includes Theories of
Operation," common specifications and detailed
information covering adjustment, tune-up and repair of
Briggs & Stratton single cylinder, OHV 4 cycle engines.
Order P/N 272147 from an Authorized Briggs &
Stratton Service Dealer.
Insist on Genuine Briggs & Stratton replacement parts
with our logo on the box and/or part. Non-original parts
may not perform as well and may void your warranty.
4
Fig. 8
oz.) of engine oil into cylinder. Replace spark plug
and crank slowly to distribute oil.
head fins, under finger guard and behind muffler.
stove, furnace or water heater which uses a pilot
light or any device that can create a spark.
Yellow Pages™" directory under Engines,
Gasoline" or Gasoline Engines," or Lawn
™
Mowers" or similar category.