MTD 113-050A User Manual

OWNER’S

MANUAL

20"

ROTARY

.75

MOWER

Model Number

113-050A

Important:

Read Safety Rules and Instructions Carefully

PRINTED IN U.S.A.

Thank you for purchasing an

American buiit product.

FORM NO. 770-2438

INDEX

Safe Operation Practices........................................3

Assembly

Controls....................................................................8

Operation ................................................................9

Adjustments...........................................................10

Lubrication ...

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..........................................................10

LIMITEiD WARRANTY

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For one year from the date of original retail purchase, MTD PRODUCTS INC \A/ill 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 n 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 ur less 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, mo or, battery, battery chargeror component parts thereof.

Please refer to the applicable man jfacturer’s warranty on these items.

Maintenance

Off-Season Storage

Illustrated Parts .................................................. .14

Repair Parts List ....................................................15

Parts Information

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Back Cover

.11

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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 distri :utor in your area, please write to the Customer Service Department of MTD.

The return of a complete unit will rot be accepted by the factory unless prior written per mission has been extended by MTID.

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This warranty gives you specific legal rights. You may also have other rights which vary from state to state.

I WARNING j

(E)

This unit is equipped with an internal comoustion engine and should not be used on or near any unim proved 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.

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In the State of California the above is required by law (Section 4442 of the California Pubiic Resources Code). Other states may have similar laws. Federal laws apply on federal lands. A spark arrester muffler is available at your nearest engine authorized service center.

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-BEHIND MOWERS

TRAINING

1. Read this owner’s manual carefully in its en

tirety before attempting to assemble or operate this machine. Be completely familiar with the controls and the proper use of this machine before operating it. Keep this manual

in a safe place for future and regular 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. 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.

4. 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, an object may have been overlooked and could be accidently thrown by the mower

in any direction and cause serious personal injury to the operator or any others allowed in

the area.

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 serious personal injury to the operator or any others allowed in

the area.

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. The blade control handle is a safety device.

Never attempt to bypass its operation. Doing

so makes the safety device inoperative and

may result in personal injury through contact

with the rotating blade. The blade control han dle must operate easily in both directions.

7. Never attempt to make a wheel or cutting

height adjustment while the engine is run-

K ning.

8. Mow only in daylight or in good artificial light.

9. Never operate the equipment in wet grass. Always be sure of your footing. A slip and fall can cause serious personal injury. 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. Shut the engine off and wait until the blade

comes to a complete stop before removing the grass catcher or unclogging the chute.

The cutting 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.

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 pre vent accidental starting.

8. Do not run the engine indoors.

9. Mow across the face of slopes, never up-and-

down. Exercise extreme caution when chang

ing direction on slopes. Do not mow ex

cessively steep slopes. Always be sure of your footing. A slip and fall can cause serious personal injury.

10. Always disconnect electric mowers (line

operated) before cleaning, repairing or ad justing.

11. Never operate mower without proper guards, plates or other safety protective devices in place.

MAINTENANCE AND STORAGE

1. Check the blade and engine mounting bolts at

frequent intervals for proper tightness.

2. Kbep all nuts, bolts, and screws tight to be sure the equipment is in safe working conditioln.

3. Ne^er store the equipment with gasoline in the tank inside of a building where fumes may reach an open flame or spark. Allow the enjgine to cool before storing in any en closure.

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

3 equipment specifications.

NOTE

ASSEMBLY INSTRUCTIONS

This unit is shipped WiTHOUT GASOLiNE or OiL After assembiy, see separate engine manuai for proper fuei and engine oii recommenda tions.

FIGURE 1.

Shoulder Bolt

FIGURE 2.

Upper

Slotted

(G)

Rope

Guide

Boit (J)

Deck

Belleville

Washer (H)

Hex

Look

Nut (I)

Contents of hardware pack: (See figure 1)

A (2) Shouider Bolts 21/4" Long

B (2) Shoulder Bolts 2-5/8" Long

C (2) Spacers

D (8) Belleville Washers 3/8" I.D. E (4) Hex Nuts 3/8-16 Thread F (2) Cable Ties

G (2) Shoulder Bolts 5/16-18 Thread

—H (2) Belleville Washers 5/16" I.D.

I (4) Hex Lock Nuts 5/16-18 Thread

J (1) Rope Guide Bolt

K (1) Curved Head Carriage Bolt L (2) Lock Washers 5/16" I.D.

M (2) Hex Nut 5/16-18 Thread

1. Remove lawn mower and loose parts from car

ton. Make certain all parts and literature have been removed from the carton before the car ton is discarded.

2. Extend the throttle control cable (attached to the upper handle) and the brake cable (attached to the engine) and place on the floor. Be careful not to bend or kink control cables.

3. Line up the upper slotted hole in the lower handle with the mounting hole on deck. Place shoulder bolt (G) through lower handle and

deck. Place belleville washer (H) on the shoulder bolt, with the cupped side of the washer against the deck. Secure with hex lock

-------

nut (I). See figure 2.

NOTE

It may be necessary to bend the ends of the lower handle inward slightly to obtain a tight fit against the deck.

4. Place the upper handle in position over the lower handle. The throttle control must be on the right hand side of the handle. Secure the right hand side of upper handle using the rope

guide bolt (J), lock washer (L) and hex nut (M)

—as shown in figure 3.

FIGURE 3.

NOTE

Left handed operators may assem

ble the rope guide bolt to the left hand side of the handle for easier starting.

5. Secure the other side of the handle with curved head bolt (K), lock washer (L) and hex nut (M).

6. Your mower has four height settings. Use the same mounting hoie for all four wheels when

— assembling. See figure 4.

Hex

Nut (E)

Belleville ^

Washers (D)'Sk,

Shoulder

Bolt (A)

(2V4" Long)

Four i

Height

Settings

^Hex

,-*""^ut (E)

Belleville

y Washers (D)

^Spacer (C)

i Shoulder

i'-Bolt (B) |f2-5/8" Long)

To Assemble the Front Wheels: A. Place shoulder bolt (A) (2V4" Long) through

wheel.

B. Place cupped side of belleville washer (B)

towards the deck (away from wheel).

C. Place shoulder bolt through desired

mounting hole on deck. Secure with belleville washer (D) (cupped side goes against the deck) and hex nut (E).

To Assemble the Rear Wheels: A. Place shoulder bolt (B) (2-5/8" Long)

—through rear wheel. See figure 5.

Place spacer (C) on shoulder bolt, next to

wheel.

Place one belleville washer (D) on shoulder

bolt, with the cupped side of washer

toward the deck (away from the spacer).

Secure wheel to deck with one belleville

washer (D) on the inside of the deck

(cupped side against the deck) and hex nut

(E).

FIGURE 5.

FIGURE 6.

Brake

Cable

Upper Hole

on Bottom of

Housing

Slot

7. Place the end of the brake cable into the up

per hole on the bottom of the throttle control housing, and through the slot as shown in

—figure 6. Be careful not to bend or kink the

cable.

NOTE

The control cables should be as

sembled under the lower handle.

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