1.
carefully. Be thoroughly familiar with the controls
and the proper use of the equipment.
2.
Never allow children to operate a power mower.
Keep the area of operation clear of all persons,
3.
particularly small children, and pets.
PREPARATION
1. Thoroughly inspect the area where the equipment is
to be used and remove all stones, sticks, wire, bones
and other foreign objects.
2. Do not operate equipment when barefoot or wearing
open sandals. Always wear substantial footwear.
3. Check the fuel before starting the engine. Do not fill
the gasoline tank indoors, when the engine is running,
or while the engine is still hot. Wipe off any spilled
gasoline before starting the engine.
4. Disengage the self-propelled mechanism or drive
clutch on units so equipped before starting the engine
(motor).
5. Never attempt to make a wheel adjustment while the
engine (motor) is running.
6. Mow only in daylight or in good artificial light.
7. 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.
2. Do not put hands or feet near or under rotating parts.
Keep clear of the discharge opening at all times.
3. Stop the blade(s) when crossing gravel drive, walks or
roads.
4. After striking a foreign object, stop the engine
(motor), remove the wire from spark plug,
thoroughly inspect the mower for any damage, and
repair the damage before restarting and operating the
mower.
FOR WALK-BEHIND MOWERS
5.
If the equipment should start to vibrate abnormally,
stop the engine (motor) and check immediately for
the cause. Vibration is generally a warning of trouble.
6.
Stop the engine (motor) whenever you leave the
equipment, 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.
Do not run the engine indoors.
9.
Shut the engine (motor) off and wait until the blade
comes to a complete stop before removing the grass
catcher or unclogging chute.
10.
Mow across the face of slopes, never up-and-down.
Exercise extreme caution when changing direction on
slopes. Do not mow excessively steep slopes.
11.
Always disconnect electric mowers (line operated)
before cleaning, repairing or adjusting.
12.
Never operate mower without proper guards, plates
or other safety protective devices in place.
13.
Keep washout ports and other mower-housing service
openings closed when mowing.
MAINTENANCE AND STORAGE
1. Check the blade and the engine mounting bolts at
frequent intervals 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 wjiere 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 bags frequently for wear or
deterioration. Replace with new bags for safety
protection.
MTD PRODUCTS INC
5389 WEST 130th STREET
• P.O.BOX 2741 CLEVEUND0HI0 44111
FORM NO. 770-4112
Page 2
Note: Follow Assembly Instructions In Numerical Order!
7. Assemble Lockout Bracket As
Shown
8. Assemble Lockout Lever
Assembly.
1. Assemble Throttle
Control To Handle
Panel.
11. Install Grips.
9. Blade Engagement Assembly.
a. Remove Blade Spindle
removing three screws.
b. Move brake lever to rear position so
belt is slack.
c. Insert ferrule into blade bracket
assembly from the left.
d. Screw rod into ferrule.
e. Assemble control handle to control
rod as shown.
f. Adjust control rod. A slight pressure
should be needed to operate lockout
lever. Too much pressure can break
lever assembly or control rods.
Readjust control rods if pressure is too
great.
g. Replace Blade Spindle Cover.
3. Assemble Two Upper Handles. Use This
Bolt Only.
5. Position Upper Handle Assembly On
Lower Handle. Adjust Handle Supports
As Desired. Fasten Upper Handle
Assembly and Handle Supports To Lower
Handle.
2. Assemble Lower Handle To Mower.
4. Assemble Two Handle Supports To
Mower.
Page 3
120
-----
%
113-530 A
NOTE: Set screws in pulleys are treated with a
nut and bolt sealant. Remove with Allen 4-CYCLE ENGINE
wrench while applying heat with a small torch.
Sealant disintegrates at 400*^.
86
Change oil after first 5 hours of
operation while engine is warm.
Thereafter, change oil every 25 hours
of operation while engine is warm.
Engine may be drained through oil
filler opening. Be sure to replace drain
plug and oil filler cap.
For Upper Handle:
Chrome - 9354
White - 749-111
NOTE: To engage the
blade with the engine
running:
1. Move the throttle
control lever to
"FAST" position.
Blade Adapter Kit
Spring Lockwasher - 5/16 Scr. *
Spindle
Blade - 20"
Hex Hd. Cap Scr. 5/16-24 x 1" Ig. *
Hex Nut 5/16-24" Thd. *
Hex Hd. Cap Scr. 5/16—24 x 1" Ig. *
Deck Assembly - 22"
Truss Mach. Scr. No. 10—24 x .38" Ig.
Spring Lockwasher - 1/2" Scr. *
Hex Jam Nut - 1/2-20 Thd. *
Hex Hd. Cap Scr. 1 /4-20 x 2-1 /2 Ig. *
Ext. Lockwasher - 1/4 Scr. *
Blade Spindle Cover
Hex Hd. Cap Scr. 5/16-24 x 1-1/4" Ig. *
Key - Hi Pro No. 505 * t
Handle Support - Lower R.H.
Flat Washer - 33/64 I.D. *
Handle - Lower H. W.
Handle Support - Lower L.H.
*For faster service, obtain standard nuts, bolts, and washers locally. If these items cannot be obtained locally, order by
part number and size as shown on parts list.
(458 — Arctic Blue) — When ordering parts if color or finish is important, use the appropriate color code shown at
left. (e.g. Arctic Blue — 11650 (458) ).
FMintattintlM
The engine is not under warranty by the mower manufacturer. If repairs or service is needed
on the engine, please contact your nearest authorized engine service outlet. Check the
"Yellow Pages" of your telephone book under "Engines—Gasoline."
Page 6
OPERATION
ADJUSTMENT
I. Before starting engine, check LUBRICATION
INSTRUCTIONS.
2. Check lockout control handle for proper operation. If
too great a pressure is needed to operate these controls,
damage can be done to both the mechanism and the
rods. Readjust so only slight pressure is needed to
operate the blade engaging control. See ASSEMBLY
INSTRUCTIONS Step 9.
3. Service engine with gasoline and oil. See engine
instructions for complete care and maintenance of
engine. READ DIRECTIONS CAREFULLY.
4. Be sure engine crankcase is filled to capacity with
proper grade of oil.
5. Move control handle to "OFF" position.
6. Move throttle control lever to "Choke" position.
7. Crank engine. Move throttle control lever to "Fast"
position as soon as engine fires. Use choke as needed to
keep engine running during warm up period.
8. Put blade into motion by moving blade control handle
to "On" position.
1. Handles may be adjusted by changing the position of
the lower support mounting holes. When this change is
made, it may also be necessary to check the adjustment
of the control rod. See Step 9 in ASSEMBLY
INSTRUCTIONS.
2. Control rod adjustment is made as shown in
ASSEMBLY INSTRUCTIONS Step 9.
3. Cutting height adjustment is made by removing and
moving axle bolts to the desired positions. All axle
bolts must be mounted in the same relative position to
the deck. When wheels are mounted to the deck, the
crown shape washers must be assembled with the crown
away from the deck. This is necessary to prevent the
axle bolts from loosening.
4. If throttle adjustment becomes necessary, the throttle
control wire may be reset as follows:
a. Loosen, but do not remove, screw securing throttle
control wire assembly at engine.
b. Move throttle control lever on handle to "Choke"
position.
c. Move lever to which control wire is fastened to
engine to full choke position. Retighten screw to
secure throttle control wire assembly.
To engage the blade with the engine running . . .
a. Move the throttle control lever to "Fast" position.
b. Engage the blade engagement handle SLOWLY.
c. Adjust engine speed.
9. A brief break-in period is essential to insure maximum
engine and' mower life. This consists of running the
engine at half speed for a period of time required to use
one tank of gasoline. It is also recommended to change
crankcase oil after the first five hours of operation or as
operating conditions dictate. Always check oil before
operating the mower. BE SURE CRANKCASE IS
FULL.
10. Proper lubrication must be maintained at all times.
II. Appropriate clothing should be worn when cutting
brush or heavy weeds. Safety shoes and safety glasses
are highly recommended.
12. The engine is stopped by moving the throttle control
lever to "STOP" position.
LUBRICATION
Important: Always stop engine and disconnect spark plug
wire before cleaning, lubricating or doing any kind of work
on the lawn mower.
1. Wheel bearings are bail bearings. Use SAE 30 engine oiK
2. Throttle — Periodically lubricate throttle control lever
and entire length of throttle wire assembly with a few
drops of SAE 30 engine oil for ease of operation.
3. Engine — Follow engine manual for lubrication
instructions. Check oil level before each mowing.
4. Friction point between idler bracket assembly (Ref.
No. 94) and deck should be greased once each season
with a multi-purpose grease.
5. Blade Spindle Assembly — The blade spindle assembly
is equipped with a grease fitting. Use grass discharge
chute for access to the fitting located under the deck.
Use multi-purpose grease. Lubricate PRIOR to initial
use and every 25 hours thereafter. CAUTION: Be sure
spark plug wire is disconnected and grounded.
Page 7
6. Protective Shield — The pivot points on the protective
shield should be lubricated periodically with oil to
prevent any rust or binding up.
7. Chute Deflector — The torsion spring and pivot point
should be lubricated periodically with oil to prevent
any rust or binding up. Deflector must work freely.
MAINTENANCE
Important: Always stop engine and disconnect spark plug
wire before cleaning, lubricating or doing any kind of work
on the lawn mower.
1. Cutting Blade — Remove all nuts and bolts holding the
blade to the blade hub.
When sharpening blade, follow the original angle of
grind as a guide. It is extremely important that each
cutting edge receives an equal amount of grinding to
prevent an unbalanced blade. An unbalanced blade will
cause excessive vibration when rotating at high speeds
and may cause damage to the mower.
h. Work belt to front and mount on blade spindle
pulley. Replace front belt guard.
i. Replace brake lever assembly.
j. Slip belt on idler pulley between pulley and belt
bracket.
k. Replace blade tension spring.
l. Move blade lockout handle to "ON" position.
m. Position belt bracket on idler pulley to clear the
tightened belt. Secure belt bracket in position. See
drawing page 2.
n. Replace blade spindle cover.
4. Storage — The following steps should be taken to
prepare lawn mower for storage:
a. Clean and lubricate mower thoroughly as described
in the preceding instructions.
b. Refer to engine manual for correct engine storage
instructions.
c. Coat mower's cutting blade with multi-purpose
grease to prevent rusting.
d. Place blocks under deck to raise tires clear of floor.
e. Store mower in a dry, clean area.
Upon reassembling, make certain all parts are assembled
properly and tightened securely.
2. Deck — The underside of mower deck should be
cleaned after each period of use as grass clippings,
leaves, dirt and other matter accumulates. This
accumulation of grass clippings, etc. is undesirable as it
will invite rust and corrosion and may cause an uneven
discharge of grass clippings at next cutting.
The deck may be cleaned by tilting the mower
backward or on its side and scraping clean with a
suitable tool or by washing with a stream of water from
a garden hose. CAUTION: Do not direct the stream of
water at a hot engine as damage to the engine may
result.
3. Belt replacement may be made as follows:
a. Remove blade spindle cover.
b. Remove front belt guard.
c. Remove blade tension spring.
d. Loosen belt on bracket of idler bearing assembly.
e. Remove brake lever assembly.
f. Remove damaged or worn belt.
g. Place new belt on engine pulley. Do not bend belt
guard pins. Belt should be inside of pins.
USING YOUR ROTARY MOWER
For best results do not cut wet grass because it tends to
stick to the underside of the mower, thus preventing proper
discharge of grass clippings. If wet grass must be cut, reduce
walking speed to help distribute the clippings more
effectively.
New grass should be treated as wet grass, otherwise a
normal walking speed is about the right pace for efficient
mowing.
The best mowing pattern is one that allows the clippings to
discharge towards the uncut part of the lawn. This permits
recutting of the clippings to further pulverize them. When
cutting high weeds, discharge towards cut portion then
recut at right angle to first direction.
Lawns should be cut in fall as long as there is growth.
Page 8
BLADE IDLER BRACKET ASSEMBLY DETAIL
BRAKE SHOE 754-647 (118)
RIVET 728-649 (117)
BELT WEAR
Belt clips improperly positioned
will cause premature belt wear.
The belt clip must completelyclear the belt when the belt is
tightened. It should also assist in freeing the
belt from the blade spindle pulley when the belt
is loose. This may be checked by removing the
blade spindle cover.
Page 9
NOTE: PARTS SHOWN
IN DOTTED LINES
NOT INCLUDED
IN ASSEMBLY.
<o
SPINDLE ASSEMBLY
DECJ127
712-123 11
1. Bearing races must be firmly seated in Spindle Housing.
'2. Zerk Fitting should face Discharge Chute of Deck.
3. Lubricate every 8 to 10 hours with Shell General Purpose
Grease or Equivalent.
737-479 116
Page 10
FIG. A
■T CLIP MUST NOT
BELT WHEN
ENGAGED
10
Page 11
GRASS CATCHER Model No. 193-003 is available as optional
equipment for the mowers shown in this manual.
WARNING:
1. The mower should not be operated without the entire grass catcher
or chute deflector in place.
2. The mower should not be operated without the protective shield on
the rear of the deck in place.
NOTE:
Under normal usage bag material is subject to wear and should be
checked periodically. Be sure any replacement bag complies with the
mower manufacturer's recommendations.
For replacement bags, use only factory authorized replacement bag No.
764-119.
IMPORTANT
After striking a foreign object, stop the engine (motor), remove wire
from spark plug. Thoroughly inspect the mower for any damage, and
repair the damage before restarting and operating the mower.
rrnrrrrirrrrrrrinrrrirriroxirrrirrTTrrinnnnn^^
WARRANTY
For one year from date of purchase, MTD Products Inc will replace for the original purchaser, free
of charge, F.O.B. factory or authorized service firm, any part or parts found to be defective in material
or workmanship. All transportation charges on parts submitted for replacement under this warranty
must be paid by the purchaser. This warranty does not include replacement of parts which become
inoperative through misuse, excessive use, accident, neglect, improper maintenance or alterations by
unauthorized persons. This warranty does not include the engine, motor, battery, battery charger or any
component parts thereof. For service on these units, refer to the applicable manufacturer's warranty.
The above warranty will apply only to the original owner and will be effective only if the warranty
card has been properly processed. It will not apply where the unit has been used commercially.
Warranty service is available through your local authorized service dealer or distributor. UNDER
NO CIRCUMSTANCES WILL THE RETURN OF A COMPLETE UNIT BE ACCEPTED BY THE
FACTORY UNLESS PRIOR WRITTEN PERMISSION HAS BEEN EXTENDED.
DEFECTIVE OR MISSING PARTS must be reported to the
factory immediately. Such claims must include your
model number and date of purchase.
MOWER, TILLER, SNOW THROWER, TRACTOR, TRAIL
BIKE AND MUD BUG PARTS
Mower, tiller, snow thrower, tractor, trail bike and
mud bug parts are available through the authorized
service firms listed below. All orders should specify
the model number of your unit, parts numbers, de-
A 1 Engine & Mower Co.
327 East 9th Street
Salt Lake City, Utah 84102
American Electric ignition Co.
124 N. W. 8th Street
Oklahoma City, Oklahoma 73102
Auto Electric & Carburetor Co.
2625 4th Avenue, S.
P. O. Box 1948
Birmingham, Alabama 35233
Automotive Equipment Service Co.
3117 Holmes Street
Kansas City, Missouri 64109
Bailey's Rebuild Inc.
1325 E. Madison Street
Seattle, Washington 98102
Brown Equipment Distributor Inc.
110 Beech Street
Corydon, Indiana 47112
Bullard Supply
2409 Commerce Street
Houston, Texas 77003
Catto & Putty, Inc.
P. O. Box 2408
510 Soledad Street
San Antonio, Texas 78205
Center Supply Company
6867 New Hampshire Avenue
Takoma Park, Maryland 20012
Charles B. Wright Co.
309 4th Avenue, South
Nashville, Tennessee 37201
W. B. Clements
400 Salem Avenue
Roanoke, Virginia 24016
Morton B. Collins Co.
300 Birnie Avenue
Springfield, Massachusetts 01107
Dixie Sales Company
P. O. Box 1408
327 Battleground Avenue
Greensboro, North Carolina 27402
East Point Cycle & Key Shop
1617 Whiteway
East Point, Georgia 30044
Gamble Distributors
West End Avenue
Carthage, New York 13619
Garden Equipment Co., Inc.
6600 Cherry Avenue
Long Beach, California 90805
Henzier, Inc.
2015 Lemay Ferry Road
St. Louis, Missouri 63125
Frank E. Ives & Son
1101 Lincoln Avenue
Prospect Park, Pennsylvania 19076
J. W. Jewett Co.
981 Folsom Street
San Francisco, California 94107
Kenton Supply
8216 North Denver Avenue
Portland, Oregon 97217
Kimber's Inc.
115 W. Geddes St.
Syracuse, New York 13204
The Lawnmower Shop
1340 El Camino Real
San Carlos, California 94070
Marr Brothers
423 E. Jefferson
Dallas, Texas 75203
Mathews Auto Electric Co.
420 East 2nd Street
Tulsa Oklahoma 74120
McClure Lawn & Garden Supply
1114 Lexington Avenue
Mansfield, Ohio 44907
Memphis Cycle & Supply Co.
421 Monroe Avenue
Memphis Tennessee 38103
scription of parts and the quantity of each part re
quired.
BRIGGS & STRATTON, TECUMSEH AND PEERLESS PARTS
AND SERVICE
Briggs & Stratton, Tecumseh and Peerless parts and
service should be handled by your nearest authorized
engine service firm. Check the yellow pages of your
telephone directory under the listing Engines —
Gasoline, Briggs & Stratton or Tecumseh Lauson —
Power Products. .
Moz-All of Florida^ Inc.
365 Greco Avenue
Coral Gables, Florida 33146
National Central, Div. of
Joe Sterling, Inc.
Drawer "D" 687 Seville Rd.
Wadsworth, Ohio 44281
The purpose of warranty is to protect the customer from defects in material and workmanship, defects
which are not detected at the time of manufacture.
Our aim is to build into our product quality and reliability. Considerable emphasis is placed on quality
control in order to assure our customer of satisfactory product performance. To achieve this goal, it is
necessary to gain the cooperation of all concerned, MTD, our sales force and our customers.
MTD's responsibility is to build a quality product and to back up that product. MTD must build this
quality product at a competitive price. This cannot be achieved without production in quantity. Quantity
production is mass production. In mass production it is always possible for undetected defects to be
present when the product reaches the customer. Our warranty is extended to assure the customer that
any such defects will be corrected.
Use and maintenance are the responsibility of the customer. MTD cannot assume responsibility for con
ditions over which it has no control. MTD's responsibility does not cover misuse, excessive use, accident
neglect, improper maintenance or alterations by unauthorized persons. Satisfactory product performance
can only result when a manufacturer provides and backs up a quality product and the customer follows
through with proper use and proper maintenance of that product. When both the manufacturer and the
customer recognizes and assumes his responsibility, satisfactory product performance and customer sat
isfaction are assured.
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