2
TABLE OF CONTENTS
Safety Rules ......................................... 2-3
Warranty ............................................... 4-5
Product Spec i fi
ca tions ........................... 5
Assembly/Pre-Operation ...................... 6-7
Operation ............................................ 8-12
Maintenance Schedule .......................... 13
Maintenance ..................................... 13-16
Service and Adjustments .................. 17-18
Storage ............................................. 18-19
Troubleshooting ................................ 20-21
Repair Parts ...................................... 22-31
Sears Service ..........................Back Cover
IMPORTANT:
This cutting machine is
capable of amputating hands and feet and
throwing objects. Failure to observe the
following safety instructions could result in
serious injury or death.
Look for this symbol to point out im por-
tant safety precautions. It means
CAU TION!!! BECOME ALERT!!!
YOUR SAFE TY IS INVOLVED.
WARNING:
In order to prevent ac ci-
den tal starting when setting up, trans port-
ing, ad just ing or making repairs, always
dis con nect spark plug wire and place wire
where it can not come in contact with plug.
CAUTION:
Muffl er and other engine
parts become extremely
hot during operation and
remain hot after engine
has stopped. To avoid
severe burns on contact,
stay away from these areas.
I. CHILDREN
WARNING:
CHILDREN CAN
BE SERIOUSLY INJURED OR
KILLED BY THIS EQUIPMENT.
Carefully read and follow all of
the safety instructions below.
The American Academy of Pediatrics rec-
ommends that children be a minimum of
12 year of age before operating a pedes-
trian controlled lawn mower and a mini-
mum of 16 years of age before operating a
riding lawn mower.
Tragic accidents can occur if the op er a tor is
not alert to the presence of children. Children
are often attracted to the ma chine and the
mowing activity.
Never
assume that children
will remain where you last saw them.
• Keep children out of the mowing area
and under the watchful care of a re spon-
si ble adult
other than
the operator.
• Be alert and turn machine off if chil dren
enter the area.
• Before and while walking back wards,
look behind and
down
for small chil dren.
• Never allow children to operate the
machine.
II. GENERAL OPERATION
• Read, understand, and follow all
in struc tions on the machine and in the
manual(s) before starting. Be thor ough ly
familiar with the controls and the proper
use of the machine before starting.
• Do not put hands or feet near or under
rotating parts. Keep clear of the dis-
charge opening at all times.
• Only allow responsible individuals, who
are familiar with the in struc tions, to oper-
ate the machine.
• Clear the area of objects such as rocks,
toys, wire, bones, sticks, etc., which
could be picked up and thrown by blade.
Stay behind the handle when the engine
(motor) is running.
• Be sure the area is clear of other people
before mowing. Stop ma chine if anyone
enters the area.
• Do not operate machine bare footed or
while wearing sandals. Al ways wear
substantial footwear with good ankle
support while mowing.
• Do not pull mower backwards unless
absolutely nec es sary. Always look down
and behind before and while moving
backwards.
• Never direct discharged material toward
anyone. Avoid discharging material against
a wall or obstruction. Material may richo-
chet back toward the operator. Stop blade
when crossing gravel surfaces.
• Do not operate the mower without
proper guards, plates, grass catcher or
oth er safety protective devices in place.
• See manufacturer’s instructions for prop-
er operation and installation of accesso-
ries. Only use accessories approved by
the manufacturer.
• Stop the blade(s) when crossing grav el
drives, walks, or roads.
• Never leave a running machine unattended.
• Stop the engine (motor) and wait until
the blade comes to a complete stop
before clean ing the machine, remov-
ing the grass catcher, or unclogging the
discharge chute.
• Mow only in daylight or good artifi cial light.
SAFETY RULES
31
MODEL NUMBER 126M02-0303-F4
BRIGGS & STRATTON 4-CYCLE ENGINE
KEY PART
NO. NO.
DESCRIPTION
307
690345
Screw (Cylinder Shield)
332 690662 Nut
(Flywheel)
333 590455 Armature-Magneto
334
691061
Screw (Magneto Armature)
337 591910 Plug-Spark
356 692390 Wire-Stop
358 590508 Gasket
Set-Engine
362 793351 Shield-Spark
Plug
365 691688 Screw
(Carburetor)
404
690272
Washer (Governor Crank)
425
690670
Screw (Air Cleaner Cover)
443 692523 Screw
(Air Cleaner Primer Base)
445
491588s Filter-Air Cleaner Cartridge
455 791960 Cup-Flywheel
456 692299 Plate-Pawl
Friction
459 281505s
Pawl-Ratchet
505
691251
Nut (Governor Control Lever)
523 499621 Dipstick
524
692296
Seal- Dipstick Tube
525 495265 Tube-Dipstick
562
691119
Bolt (Governor Control Lever)
584 697734 Cover-Breather
Passage
585 691879 Gasket-Breather
Passage
592
690800
Nut (Rewind Starter)
597
691696
Screw (Pawl Friction Plate)
598 592587 Shim-Endplay
(Crankshaft)
601 791850 Clamp-Hose
(Green)
608 497680 Starter-Rewind
613 790833 Screw
(Muffl
er)
615 690340 Retainer-Governor
Shaft
616 698801 Crank-Governor
617
270344s Seal-O Ring (Intake Manifold)
621 692310 Switch-Stop
(Brake)
633
691321
Seal-Choke / Throttle Shaft
(Throttle
Shaft)
633A 693867
Seal-Choke / Throttle Shaft
(Choke
Shaft)
684 690345 Screw
(Breather Passage Cover)
689 691855 Spring-Friction
718 690959 Pin-Locating
741 797521 Gear-Timing
745 691648 Screw
(Brake)
KEY PART
NO. NO.
DESCRIPTION
832 590486 Guard-Muffl
er
836
690664
Screw (Muffl er Guard)
842
691031
Seal-O Ring (Dipstick Tube)
847
692047
Dipstick / Tube Assembly
851 493880s
Terminal-Spark
Plug
868 697338 Seal-Valve
869 691155 Seat-Valve
(Intake)
870 690380 Seat-Valve
(Exhaust)
871 590409 Bushing-Valve
Guide
883 793497 Gasket-Exhaust
922 692135 Spring-Brake
923 796136 Brake
957 591003 Cap-Fuel
Tank
966
593580
Base-Air Cleaner Primer
968 692298 Cover-Air
Cleaner
975 796611 Bowl-Fuel
972 590490 Tank-Fuel
1036 - - -
Label-Emissions (Available
From A Briggs & Stratton
Authorized
Dealer)
1058 277039TRI Operator’s
Manual
1059 692311
Kit-Screw/Washer (Fuel Tank)
1095 590507 Gasket
Set-Valve
1210 498144
Pulley / Spring Assembly
(Pulley)
1211 498144
Pulley / Spring Assembly
(Spring)
1329 N/A
Replacement Engine (Not
Available At This Printing)
1330 270962 Repair
Manual
1386 790848 Vane-Air
1387 790849 Spring-Air
Vane
1388 790850
Screw (Air Vane)
- -
398067
Spark Arrester
(available
accessory)
Carburetor Overhaul Kit – Key Number 121
Engine Gasket Set – Key Number 358
Valve Gasket Set – Key Number 1095
NOTE:
All component dimensions given in U.S.
inches. 1 inch = 25.4 mm