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BRIGGS & STRATTON 4-CYCLE ENGINE
1
306
307
536
534
535
13
7
718A
383
5
337
24
635
25
29
32
26
27
28
27
45
34
40
35
45
868
33
22
40
36
20
15
MODEL NUMBER 09T702-0889-B1
50
54
847
51
842
3
2
525
523
287
524
871
869
870
16
8
11
9
10
741
358 ENGINE GASKET SET
718
524
163
12
20
3
46
180
43
20 19
957
4
12
190
190A
48 SHORT BLOCK
18
The operation of any lawn
mower can result in foreign
objects thrown into the eyes,
which can result in severe eye
damage. Always wear safety
glasses or eye shields while operating your
lawn mower or performing any ad just ments
or repairs. We recommend standard safety
glasses or a wide vision safety mask worn
over spectacles.
HOW TO USE YOUR LAWN MOWER
ENGINE SPEED
Engine speed was set at the factory for
optimum per for mance. It is not adjustable.
ENGINE ZONE CONTROL
CAUTION: Federal reg u la tions require
an engine control to be installed on this
lawn mower in order to minimize the
risk of blade contact injury. Do not un der
any cir cum stanc es attempt to de feat the
function of the operator con trol. The blade
turns when the engine is running.
• Your lawn mower is equipped with an
operator pres ence control bar which
requires the operator to be positioned
behind the lawn mower handle to start
and operate the lawn mower.
TO ADJUST CUTTING HEIGHT
Raise wheels for low cut and lower wheels
for high cut, adjust cutting height to suit
your requirements. Me di um position is
best for most lawns.
•
To change cutting height, squeeze ad-
juster lever to ward wheel. Move wheel
up or down to suit your re quire ments. Be
51
sure all wheels are in the same setting.
NOTE: Adjuster is properly positioned when
plate tab inserts into hole in lever. Also, 9-
9
position adjusters (if so equipped) allow lever
to be positioned between the plate tabs.
LEVER BACKWARD
TO LOWER MOWER
LEVER FORWARD TO RAISE MOWER
BEFORE STARTING ENGINE
670
ADD OIL
Your lawnmower is shipped without oil in
the engine. For type and grade of oil to
use, see "EN GINE" in the Maintenance
section of this manual.
CAUTION: DO NOT overfill engine with
oil, or it will smoke heavily from the muffler
on startup.
1. Be sure lawnmower is level.
2. Remove oil dipstick from oil fill spout.
3. You receive a container of oil with the
unit. Slowly pour the entire container
down the oil fill spout into the engine.
NOTE: Initial oil fill requires only 18 oz.
due to residual oil in engine from the
manufacturers 100% quality testing. When
changing oil you may need 20 oz.
4. Insert and tighten dipstick.
IMPORTANT:
• Check oil level before each use. Add oil
if needed. Fill to full line on dipstick.
• Change the oil after every 25 hours of
operation or each season. You may
need to change the oil more often
under dusty, dirty conditions. See "TO
CHANGE ENGINE OIL " in the Mainte-
nance section of this manual.
ADD GASOLINE
• Fill fuel tank to bottom of tank filler neck.
Do not overfill. Use fresh, clean, regular
unleaded gasoline with a minimum of
87 octane. Do not mix oil with gasoline.
Purchase fuel in quan ti ties that can be
used within 30 days to assure fuel fresh-
ness.
CAUTION: Wipe off any spilled oil or
fuel. Do not store, spill or use gasoline
near an open flame.
CAUTION: Alcohol blended fuels
(called gasohol or using ethanol or metha-
nol) can attract moisture which leads to
separation and for ma tion of acids during
storage. Acidic gas can damage the fuel
system of an engine while in storage. To
avoid engine problems, the fuel system
should be emptied before stor age of 30
days or longer. Empty the gas tank, start
the engine and let it run until the fuel lines
and carburetor are empty. Use fresh fuel
next season. See Storage In struc tions for
Plate tab
additional information. Never use engine
or carburetor cleaner products in the fuel
tank or permanent damage may occur.
Gasoline
filler cap
Lever
Primer
7
Engine
oil cap
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