Bolens 111-338A User Manual
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ASSEMBLY • OPERATION • MAINTENANCE • PARTS
20" REAR DISCHARGE
ROTARY MOWER
Important:
Read Safety Rules and
Instructions Carefully
PRINTED IN U.S.A. FORM NO. 770-0890
Model Number
111-338A
INDEX
Safe Operation Practices .......................................3
Assembiy
Controls ..................................................................9
Operation
Adjustments............
Lubrication............................................................ 12
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For one year from the date of original retail purchase, MTD PRODUCTS INC will either
repair or replace, at its option, free of charge, F.O.B. factory or authorized service firm, any
part or parts found to be defective in material or workmanship. Transportation charges for
the movement of any power equipment unit or attachment are the responsibility of the pur
chaser. Transportation charges for any parts submitted for replacement under this warran
ty must be paid by the purchaser unless such return is requested by MTD PRODUCTS INC.
This warranty will not apply to any part which has become inoperative due to misuse, ex
cessive use, accident, neglect, improper maintenance, alterations, or unless the unit has
been operated and maintained in accordance with the instructions furnished. This warran
ty does not apply to the engine, motor, battery, battery charger or component parts thereof.
Please refer to the applicable manufacturer’s warranty on these items.
LIMITED WARRANTY
11
Maintenance .........................................................12
4
Off-Season Storage.............................................. 15
Illustrated Parts
Repair Parts List
Parts Information
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Back Cover
18,20
19,21
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This warranty will not apply where the unit has been used commercially.
Warranty service is available through your local authorized service dealer or distributor. If
you do not know the dealer or distributor in your area, please write to the Customer Service
Department of MTD.
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The return of a complete unit will not be accepted by the factory unless prior written per
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The equipment which you have just purchased does not have a spark arrester. If this equipment is used on
any forest covered land, brush covered land, or grass covered unimproved land in the State of California,
before using on such land, the California law requires that a spark arrester be provided. In addition, spark
arrester is required by law to be in effective working order. The spark arrester must be attached to the
exhaust system and comply with Section 4442 of the California Public Resources Code.
mission has been extended by MTD.
This warranty gives you specific legal rights. You may also have other rights which vary
from state to state.
^ WARNING I
TO PURCHASERS
OF INTERNAL COMBUSTION ENGINE EQUIPPED
MACHINERY OR DEVICES IN THE STATE OF CALIFORNIA
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^ WARNING \
To reduce the potential for any injury, comply with the following safety instructions. Failure to comply with
the instructions may result in personal injury.
SAFE OPERATION PRACTICES FOR WALK-BEHINO MOWERS
TRAINING
1. It is suggested that this manual be read in its
entirety before attempting to assemble or
operate this unit. Keep this manual in a safe
place for future reference and for ordering
replacement parts.
2. Your rotary mower is a precision piece of
power equipment, not a plaything. Therefore,
exercise extreme caution at all times.
3. Read this Owner’s Manual carefully. Be
thoroughly familiar with the controls and the
proper use of the equipment.
4. Never allow children to operate a power
mower. Only persons well acquainted with
these rules of safe operation should be al
lowed to use your mower.
5. Keep the area of operation clear of all per
sons, particularly small children and pets.
Stop engine when they are in the vicinity of
your mower. Although the area of operation
should be completely cleared of foreign ob
jects, a small object may have been over
looked and could be accidently thrown by the
mower in any direction and cause injury.
PREPARATION
1. Thoroughly inspect the area where the equip
ment is to be used. Remove all stones, sticks,
wire, bones and other foreign objects which
could be picked up and thrown by the mower
in any direction and cause injury.
2. Do not operate equipment when barefoot or
wearing open sandals. Always wear substan
tial footwear.
3. Do not wear loose fitting clothing that could
get caught on the mower.
4. Check the fuel before starting the engine.
Gasoline is an extremely flammable fuel. Do
not fill the gasoline tank indoors, while the
engine is running, or while the engine is still
hot. Wipe off any spilled gasoline before start
ing the engine as it may cause a fire or explo
sion.
5. Disengage the self-propelled mechanism or
drive clutch on units so equipped before start
ing the engine.
6. Never attempt to make a wheel or cutting
height adjustment while the engine is run
ning.
7. Mow only in daylight or in good artificial light.
8. Never operate the equipment in wet grass.
Always be sure of your footing. Keep a firm
hold on the handle and walk, never run.
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 in
jury.
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 abnor
mally, stop the engine and check immediately
for the cause. Vibration is generally a warning
of trouble.
6. Stop the engine whenever you leave the
mower, before cleaning the mower housing,
and when making any repairs or inspections.
7. When 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 plug to prevent
accidental starting.
8. Before attempting to unclog the mower or
discharge chute, stop the engine and be sure
the blade has stopped completely. The cut
ting blade continues to rotate for a few
seconds after the engine is shut off. Never
place any part of the body in the blade area un
til you are sure the blade has stopped rotating.
Disconnect the spark plug wire and keep the
wire away from the plug to prevent accidental
starting.
9. Do not run the engine indoors.
10. Shut the engine off and wait until the blade
comes to a complete stop before removing
the grass catcher or unclogging chute.
11. Mow across the face of slopes, never up-anddown. Exercise extreme caution when chang
ing direction on slopes. Do not mow ex
cessively steep slopes.
12. Always disconnect electric mowers (line
operated) before cleaning, repairing or ad
justing.
13. Never operate mower without proper guards,
plates or other safety protective devices in
place.
14. Keep washout ports and other mower-housing
service openings closed when mowing.
15. DO NOT Operate this mower with the chute
doors open, unless the complete grass
catcher is properly mounted on the mower.
MAINTENANCE AND STORAGE
1. Check the blade and engine mounting bolts at
frequent intervals for proper tightness.
SAFE OPERATION PRACTICES (Continued)
2. Keep all nuts, bolts, and screws tight to be
sure the equipment is in safe working condi
tion.
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 deterioration. For safety protection,
replace only with new bag meeting original
equipment specifications.
BLADE BRAKE/CLUTCH MAINTENANCE
NOTE: Any required repair work on the blade
brake/clutch should be performed by an author
ized service dealer. If you cannot locate an author
ized service dealer, contact the manufacturer as
set forth on your copy of the Owner’s Registration
Card.
1. The blade brake/clutch hand control is a safe
ty device. Never attempt to bypass its opera
tion. Doing so makes the safety device in
operative and may result in personal injury
through contact with the rotating blade. This
hand control must operate freely in both direc
tions.
2. Striking a solid object can cause damage to
the blade brake/clutch or to the engine
crankshaft. Extensive vibration of the mower
during operation is an indication of damage
and the unit should be inspected and
repaired.
3. A leak in the lower engine crankshaft oil seal
could expose the blade brake/clutch friction
pads to excess oil resulting in blade or brake
slippage, which could increase the stopping
time of the blade. Oil collection on the floor
beneath the mower during storage may be an
indication of an oil seal leak. The unit should
be checked by an authorized service dealer.
4. Periodically inspect the inner control cable in
the area where it attaches to the hand control.
It the cable becomes frayed, it could cause
the blade brake/clutch to operate improperly.
Also, be careful to avoid pinching the blade
brake/clutch control cable when using the
folding handle feature (on units so equipped).
EF-
G-
FIGURE 1.
H-
ASSEMBLY
NOTE
i;
Contents of Hardware Pack: (See Figure 1)
A (2) Hand Knobs
B (2) Curved Carriage Bolts 5/16-18 x 1.75" Long
G (7) Hex Nuts #10-24 Thread
H (2) Cotter Pins
I (2) Tubing Connectors
This unit is shipped WITHOUT GAS
OLINE or OIL. After assembly, see
operating section of this manual for
proper fuel and engine oil recom
mendations.
(2) Hairpin Cotters
(2) Cable Ties
(7) Truss Head Bolts 3/8" Long
(7) External Lock Washers
1. Remove the lawn mower, loose parts, hard
ware pack and literature from the carton.
Make certain all parts and literature have been
removed before the carton is discarded.
2. Extend the upper handle with control wires
attached and place on the floor. Be careful not
to bend or kink control wires.
FIGURE 2.
3. Place lower handle in position over weld pins
in handle mount brackets on deck. Secure by
placing two hairpin cotters (C) in inner hole on
— weld pins. See figure 2.
NOTE
It may be necessary to bend the
ends of the lower handle inward
slightly to assure a snug fit against
the bracket mounting area.
NOTE
There are two (2) holes in the handle
■ mount brackets. Place hairpin cot
ter in the inner hole for operation.
The outer hole is for storage. See
figure 3.
FIGURE 3.
Hoi
(For Storage
Place upper handle in position over lower han
4.
dle. Controls should be on the left side of the
handle. Blade brake/clutch control wire must
be assembled so that it is behind the handle
as shown in figure 4.
Secure with two carriage bolts (B) and hand
■knobs (A) as shown in figure 4. The knobs can
be either to the inside or outside of the han
dle.
NOTE
Reference to left or right side of
machine is determined from oper
ator’s position at the handle facing
forward.
FIGURES.
(D)
Rear
Frame
Front
Frame
Tubing
Connector (I)
5. Secure throttle control cable and blade
brake/clutch cable to handle with cable ties
— (D) provided. See figure 5.
6. Check all nuts and bolts for correct tightness.
Grass Catcher Assembly
1. Join the front and rear frames by pushing the
— ends of the rear frame into the ends of the tub
ing connectors (I). See figure 6.
FIGURE 6.
Start L
Lock Was . ■
and Hex Nu
Leave Bottom
Side Bolts Out
FIGURE 7.
2.
insert frame into bag (printing on bag is the
top of the bag). Fasten edges (with eyelets) to
front frame with 3/8" bolts (E), lock washers
(F) and hex nuts (G). Finger tighten. See figure
7. Hint: For easier assembly, Do not fasten
lower bolts on sides until after step 3.
1:^
FIGURE 8.
Cotter Pins (|h)
3. Stand bag on end with open end up. Pull bot
tom of bag forward Into slot. Align holes and
slip cotter pins (H) into holes. Spread ends of
pins to secure bag to frame. See figure 8.
Tighten all nuts and bolts securely with
screwdriver.
Bag Up in Slot
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