Bolens 112-428R372 User Manual
OWNErS GUIDE
• ASSEMBLY • OPERATION • MAINTENANCE • PARTS •
ROTARY
MOWERS
$1.00
21 "
(Model 413R Shown)
Important:
Read Safety Rules
and Instructions Carefully
WARNING: This unit is equipped with an internal combustion engine and should not be used
on or near any unimproved forest-covered, brush-covered or grass-covered land unless the
engine’s exhaust system is equipped with a spark arrester meeting applicable local or state
laws (if any). If a spark arrester is used, it should be maintained in effective working order by
the operator.
In the State of California the above is required by law (Section 4442 of the California Public
Resources Code). Other states may have similar laws. Federal laws apply on federal lands.
A spark arrester for the muffler is available through your nearest engine authorized service
AMERICA
dealer or contact the service department, P.O. Box 360900, Cleveland, Ohio 44136.
Model Numbers
112-400R000
thru
112-428R000
IMPORTANT!
Record the Model No. and Mfg. Code which
appear on your unit in the space below. You
must have these numbers, along with the date
of purchase, in order to receive warranty or ser
vice.
MEETS ANSI SAFETY STANDARDS
MODEL NO. MFG. CODE
FORM NO. 770-7812G
IMPORTANT
THIS SYMBOL POINTS OUT IMPORTANT SAFETY INSTRUCTIONS WHICH, IF NOT FOLLOWED, COULD ENDANGER THE PERSONAL
SAFETY AND/OR PROPERTY OF YOURSELF AND OTI- ERS. READ AND FOLLOW ALL INSTRUCTIONS IN THIS MANUAL BEFORE
A
AHEMPTING TO OPERATE YOUR LAWN MOWER. FAIl URE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN PERSONAL
INJURY. WHEN YOU SEE THIS SYMBOL— ^ HEED IFS WARNING.
Your lawn mower was built to be operated according to the rules for safe operation in this manual. As
DANGER: with any type of power equii iment, carelessness or error on the part of the operator can result in serious
A
TRAINING
1. Read this owner’s guide carefully in its entirety befe re attempt
A
ing to assemble or operate this machine. Be comp etely famil
iar with the controls and the proper use of this mac hine before
operating it. Keep this manual in a safe place for future and
regular reference and for ordering replacement part;.
2. Your rotary mower is a precision piece of power equipment,
not a plaything. Therefore, exercise extreme cajtion at all
times.
3. Never allow children to operate a power mower. Oily persons
well acquainted with these rules of safe operatioi should be
allowed to use your mower.
4. Keep the area of operation clear of all persons, particularly
small children and pets. Stop engine when the^ are in the
vicinity of your mower to help prevent blade contait or thrown
object injury. Although the area of operation shoe Id be com
pletely cleared of foreign objects, an object ma^ have been
overlooked and could be accidently thrown by th3 mower in
any direction and cause serious personal injury to he operator
or any others allowed in the area.
PREPARATION
1. Thoroughly inspect the area where the equipmunt is to be
used. Remove all stones, sticks, wire, bones and c ther foreign
objects which could be picked up and thrown by the mower in
any direction and cause serious personal injury to :he operator
or any others allowed in the area.
2. Always wear safety glasses or eye shields during )peration or
while performing an adjustment or repair, to prote :t eyes from
foreign objects that may be thrown from the machine in any
direction.
3. Wear sturdy, rough-soled work shoes and close-1 itting slacks
and shirts to avoid entanglement in the moving Darts. Never
operate a unit in bare feet, sandals, or sneakers.
4. Check the fuel before starting the engine. Gamline is an
extremely flammable fuel. Do not fill the gasoline lank indoors,
while the engine is running, or until engine has be« n allowed to
cool for two minutes after running. Replace gasoline cap
securely and wipe off any spilled gasoline before starting the
engine as it may cause a fire or explosion.
5. Disengage the self-propelled mechanism or drre clutch on
units so equipped before starting the engine.
6. The blade control handle is a safety device. New r attempt to
bypass its operation. Doing so makes the safety d 3vice inoper
ative and may result in personal injury through coi tact with the
rotating blade. The blade control handle must operate easily in
both directions.
7. Never attempt to make a wheel or cutting height adjustment
while the engine is running.
8. Never operate the equipment in wet grass. Alwa\ s be sure of
your footing. A slip and fall can cause serious pe sonal injury.
Keep a firm hold on the handle and walk, never n n. Mow only
in daylight or in good artificial light.
injury, if you violate any of ti ese rules, you may cause serious injury to yourself or others.
SAFE OPERATION PRACTICES
▲
For your safety, use the slope gauge included as part of this
manual to measure slopes before operating this unit on a
sloped or hilly area. If the slope is greater than 15° as shown
on the slope gauge, do not operate this unit on that area or
serious injury could result.
OPERATION
1. Do not change the engine governor settings or overspeed the
engine. Excessive engine speeds are dangerous.
2. Do not put hands or feet near or under rotating parts. Keep
clear of the discharge opening at all times as the rotating blade
can cause injury.
3. Stop the blade when crossing gravel drives, walks or roads.
4. After striking a foreign object, stop the engine, remove the wire
from the spark plug, and thoroughly inspect the mower for any
damage. Repair the damage before restarting and operating the
mower.
5. If the equipment should start to vibrate abnormally, stop the
engine and check immediately for the cause. Vibration is gen
erally a warning of trouble.
6. Shut the engine off and wait until the blade comes to a com
plete stop before removing the grass catcher or unclogging the
chute. The cutting blade continues to rotate for a few secondr
after the engine is shut off. Never place any part of the body ir.
the blade area until you are sure the blade has stopped rotating.
7. Before cleaning, repairing or inspecting, make certain the blade
and all moving parts have stopped. Disconnect the spark plug
wire, and keep the wire away from the spark plug to prevent
accidental starting.
8. Do not run the engine indoors.
9. Mow across the face of slopes, never up-and-down. Exercise
extreme caution when changing direction on slopes. Do not
mow excessively steep slopes. Always be sure of your footing.
A slip and fall can cause serious personal injury.
10. Never operate mower without proper guards, plates or other
safety protective devices in place.
11. Do not operate this mower with the chute door open, unless
the complete grass catcher or chute deflector is properly
mounted on the mower.
12. Do not operate this mower with the chute door open, unless
the complete grass catcher or chute deflector is properly
mounted on the mower.
,IVIAINTENANCE AND STORAGE
1. Check the blade and engine mounting bolts at frequent inter
vals for proper tightness.
2. Keep all nuts, bolts, and screws tight to be sure the equipment
is in safe working condition.
3. Never store the equipment with gasoline in the tank inside of a
building where fumes may reach an open flame or spark. Allow
the engine to cool before storing in any enclosure.
4. To reduce fire hazard, keep the engine free of grass, leaves, or
excessive grease.
5. Check the grass catcher bag frequently for wear or deteriora
tion. For safety protection, replace only with new bag meeting
original equipment specifications.
USi= THIS SHEET AS A GUIDE TO DETERMINE SLOPES WHERE YOU MAY NOT OPERATE S)tFELY.
SIGHT AND HOLD THIS LEVEL WITH A VERTICAL TREE
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^
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03
A POWER POLE
A CORNER OF A BUILDING
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OR A FENCE POST
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WARNING
A(
Do not mow on inclines with a siope in excess of 15 degrees (a rise of approximateiy 2-1/2 feet every 10 feet). A
riding mower couid overturn and cause serious injury, if operating a waik-behind mower on such a siope, it is
extremeiy difficuit to maintain your footing and you couid siip, resuiting in serious injury.
Operate RIDiNG mowers up and down siopes, never across the face of siopes.
Operate WALK-BEHiND mowers across the face of siopes, never up and down siopes.
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CONTENTS OF HARDWiXRE PACK/PARTS IDENTIFICATION
Remove this sheet from your owner’s manual and lay the hardware on the illustration for identification purposes.
After assembly, keep the Slope Gauge which i 5 on the reverse side of this sheet for future use.
(Hardware pack may contain extra items vrhich are not used on your unit.—Part numbers are shown in
parentheses.)
-—I----------------------------------------------------------------------> —i^«.^Biade Controi
A ATTACHING THE I Handie
ATTACHING THE
LOWER HANDLE
Throttie
Controi
Lower
Handle
Grass Catcher
Handle
Rear
Discharge
Door
ATTACHING THE
B
UPPER HANDLE
Hairpin
Ciips
(714-0104)
Curved
Head
"*~Bolts
(710-0671)
Split WasI lers
5/16" l.n.
(736-0119)
Upper
Handle
Rope
Guide*
Grass
Catcher
Hex Nuts
5/16-18 Thread,
(712-0267)
ATTACHING THE
STARTER ROPE
EJQ
Rope
Guide
(710-1205)
SECURING THE CABLES
Hex L ock Nut
1/4-211 Thread
(71 :-0324)
D
Mounting Bracket
nZlL
Lf
INSTALLATION OF WHEELS
Cable Ties (726-0240)
rr T^r Tirr^nrr'"P
\
Handie
Mounting
Bracket
PARTS IDENTIFICATION
ASSEMBLY OF GRASS CATCHER
Models 420R thru 428R
(Hardtop Grass Bags Only):
(Not Shown)
(782-9011)
Hex Lock Nut 1/4-20 Thread (712-0324)
•Axle Bolts
(738-0102)
Phillips Head Screw
1/4-20 X 1/2" Long
(710-0286)
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>
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r
5'
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I I I I I I I I I I I I I I
0 1
INCHES
I I I I I I
2 3
Cupped Washers
3/8" I.D. X 7/8" O.D
(736-0105)
ASSEMBLY INSTRUCTIONS
This owner’s guide covers various modeis of
mowers. Foiiow oniy those instructions which
pertain to your unit.
iMPORTANT: This unit is shipped WiTHOUT
GASOLiNE or OiL. After assembiy, service engine
with gasoiine and oii as instructed in the separate
engine manuai packed with your unit.
NOTE: Reference to right or ieft hand side of the
mower is observed from the operating position.
Toois Required for Assembiy
(1) Pair of Pliers
(1) Phillips Screwdriver
(1) 1/2" Wrench*
(1)7/16" Wrench*
*Or two 6" Adjustable Wrenches
Lower
Handie
Handie
Mounting
Bracket
FiGUREt
UNPACKING
1. Remove the lawn mower from the carton by
opening the top flaps and lifting the unit out. Be
careful of the staples. Make certain all parts and
literature have been removed from the carton
before the carton is discarded.
2. Disconnect the spark plug wire and move away
from the spark plug.
3. Stretch out all control cables with control box
attached to the left side of the mower and place
on the floor. Be careful not to bend or kink the
cables at any time during assembly.
4. Remove page four from this manual and lay the
contents of the hardware pack on the illustration
for identification.
ATTACHING THE LOWER HANDLE (Hardware A)
1. Slide the control box over the lower handle so
that the cable with the “Z” end is routed above the
lower handle, and the other cable is routed below.
See figure 2.
2. Attach the lower handle by placing the bottom
holes in the lower handle over the weld pins on
the handle mounting brackets on the rear of the
deck.
" 3. Using a pair of pliers, squeeze one leg of the
lower handle against the handle mounting brack
et. Insert the hairpin clip into the hole on the weld
pin. See figure 1. Repeat on other side.
ATTACHING THE UPPER HANDLE (Hardware B)
1. Place the upper handle in position over the lower
handle. The hole in the side of the blade control
handle (attached to the upper handle) must be on
the left side.
2. Secure the upper handle to the lower handle
using the curved head bolts, split washers and
-----
hex nuts as shown in figure 2.
ATTACHING THE CDNTRDL BDX
Attach the control box to the upper handle as follows.
1. Remove the truss machine screw and hex lock
nut from the middle of the control box using a
Phillips screwdriver. (Hold your finger over the
hex lock nut so it stays inside the control box so
you can unscrew the truss machine screw.)
2. Make certain the blade control handle is on top of
the upper handle.
- 3. Holding the control box near the left side of the
upper handle (control box must be inside the han
dle), hook the “Z” end of the brake cable into the
control handle from the outside to the inside. See
figure 3.
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