10*
Model Nos.
ROTARY MÖWE R
112-300,112-305,
112-310, and 112-315
I M P O R T A
SAFE OPERATION PRACTICES - WALK BEHIND MOWERS
TRAINING
1. Read the Operating and Service Instruction Manual
carefully. Be thoroughly familiar with the controls and
proper use of the equipment.
2. Never allow children to operate a power mower.
3. Keep the area of operation clear of all persons,
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 fuel before starting engine. Do not fill gasoline
tank indoors, when engine is running, or while engine
is still hot. Wipe off any spilled gasoline before starting
engine.
4. Disengage self-propelled mechanism or drive clutch on
units so equipped before starting engine (motor).
5. Never attempt to make a wheel height adjustment while
engine (motor) is running.
6. Mow only in daylight or in good artificial light.
7. Never operate 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 engine governor settings or overspeed
engine.
2. Do not put hands or feet near or under rotating parts.
Keep clear of discharge opening at all times.
3. Stop blade(s) when crossing gravel drive, walks or roads.
4. 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.
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 engine (motor) whenever you leave the equipment,
before cleaning mower housing, and when making any
repairs or inspections.
7. When cleaning, repairing or inspecting, make certain
blade and all moving parts have stopped. Disconnect
spark plug wire and keep wire away from plug to prevent
accidental starting.
8. Do not run engine (motor) indoors.
9. Shut engine (motor) off and wait until blade comes to a
complete stop before removing grass catcher and/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 blade and engine mounting bolts at frequent
intervals for proper tightness.
2. Keep all nuts, bolts, and screws tight to be sure equip
ment is in safe working condition.
3. Never store equipment with gasoline in the tank inside
of a building where fumes may reach an open flame or
spark. Allow engine to cool before storing in any
enclosure.
4. To reduce fire hazard keep engine free of grass, leaves or
excessive grease.
5. Check grass catcher bags frequently for wear or deterio
ration. Replace with new bags for safety protection.
MTD PRODUCTS INC
5389 WEST 130th STREET
P.O.BOX 2741 CLEVELAND OHIO 44111
FORM NO. 770-3499
112-300
112-305
112-310
112-315
PARTS LIST FOR MODEL NOS. 112-300, 112-305, 112-310 and 112-315
REF.
NO.
1
112-300
PART NO.
11597 11597
2 None
None
3
305-7470
4
5 11600
6 732-141 732-141 732-141 732-141
— — —
7
112-305
PART NO.
710-437
11604
305-7470
11600 11600
112-310
PART NO.
11597 11597
None 710-437
None
305-7470
8 710-158 710-158 710-158 710-158
9 11144
11144
11145 11145
io 726-106 726-106 726-106
11
11445 11445 11446 11446 Deck Assembly
112-315
PART NO.
Throttle Control — complete
Round Hd.Mach.Scr. 10—24xy2” Ig. *
11604
305-7470
11600
—
Handle Panel
Throttle Control — Knob
Throttle Control — Bracket Assembly
Conduit and Wire
Engine
Hex Hd.Cap Scr. 5/16—24x1%” Ig. *
Hinge Rod
736-106 Push-on Flange Palnut
DESCRIPTION
12 None 10950 None 10950 Height Adjuster Assembly Complete — L.H.
13 504-9392 504-9392 505-9392
14 10769 10769 10769 10769
15 711-555 711-555 711-555
16
17
18
714-365 714-365
748-189
742-123
19 736-217
748-189 748-189
742-123 742-125 748-125
736-217 736-217
714-365 714-365
20 710-459 ' 710-459 710-459
21 710-117
710-117
710-117 710-117
22 736-119 736-119 736-119 736-119
23 712-123
712-123
712-123
505-9392 Wheel Assembly — complete
Blade Adapter Kit
711-555 Pivot Pin
Key Hi Pro #505
748-189 Blade Adapter
Blade
736-217 Spring Lockwasher 3/8 Scr. — Heavy duty
710-459
Hex Hd.Cap Scr. 3/8-24xP/2” Lg. H.T.
Hex Hd. Cap Scr. 5/16—24x 1” Lg. H. T.
Spring Lockwasher 5/16” Screw *
712-123
Hex Nut 5/16—24 Thread *
24 11130 11130 11130 11130 Adapter Plate
25
26
27 305-7006
28
None
10951
736-105 736-105 736-105 736-105
305-7006 305-7006 305-7006
738-213
738-102
29 11141 11141
30 732-253
31
32
None
714-507
732-253 732-253 732-253 Torsion Spring
710-209 None 710-209 SEMS Hex. Hd.Cap Scr. 3/8-16x5/8” Lg.
714-507
33 11161 11161
34
35
36
712-107
310-7016 310-7016 310-7036 310-7036
710-106 710-106 710-106 710-106
37 310-9364
38
710-606 710-606 710-606
712-107
310-9364 310-9364 310-9364
None
10951 Height Adjuster Assembly — complete — R.H.
Belleville Washer
Portiflex Bearing
738-213 738-102
11141 11141
714-507 714-507
11167 11167
Axle Bolt
Chute Deflector
Cotter Pin 3/32” dia. X 3/4” Lg. *
Protective Shield
712-107 712-107 Hex Center Locknut %—20 Thread
Lower Handle
Hex Hd. Cap Screw %—20x 1%” Lg. *
Upper Handle (2 Required)
710-606
Hex Hd.Cap Screw %—20x 1%” Lg. *
39 305-7071 305-7071 305-7071 305-7071 Grip
40
41
42 None
43
44
45
46
47
48 None
49
710-148 None
11608
None
712-526
None
None
None
None
None
305-7520 None
10949
736-219
712-116
10937 None
10934
None
10935
710-148
11608 None
None
None
None
None
None
None
746-145 746-145 746-145
None
Self Tap Screw #8-32x5/16” Lg. *
Plastic Cover
712-526
Speed Nut
305-7520 Spring Lever — Knob
10949
736-219
Spring Lever Assembly with Knob
Spring Washer
712-116 Elastic Locknut 3/8—24 Thread
10937 Pivot Bar
10934 Index Plate Assembly — R.H.
10935
746-145
Index Plate Assembly — L.H.
Cable Clip
*For faster service, obtain standard nuts, bolts and washers locally. If these items caimot be obtained locally, order by
part number and size as shown on the parts list.
(349 Cypress Green) When ordering parts if color or finish is important, use the appropriate color code shown at left.
(414 Tiara Gold) (e.g. Cypress Green finish — 11445 (349).
NOTE: This instruction manual covers various models and all accessories shown do
not necessarily apply to your model mower.
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.”
Find us fast in the
ASSEMBLY
Your new mower is shipped completely assembled with the excep
tion of the handle and throttle control assembly.
1. Remove lawn mower and aU parts from carton. Make certain
that all loose parts and literature are removed from carton before
carton is discarded.
2. Extend throttle control assembly, which is attached to engine, to
rear of mower and place on floor. CAUTION; Do not bend or
kink control wire.
3. Assemble upper handle to lower handle using four each screws
and lock nuts provided in parts bag.
4. Assemble complete handle assembly to mower so that throttle
control mounting hole in upper handle will be on right side. Holes
at bottom of lower handle are to be fitted over studs located in
front of each rear wheel mounting position.
5. Position throttle control assembly on right hand side of upper
handle so that holes in control assembly and handle are in line.
Secure in place with screw and lock nut found in parts bag. Se
cure throttle wire to lower right handle tube with clips in parts
bag.
6. Place the plastic control cover over the throttle control and
secure with two self-tapping screws.
OPERATION
1. Service engine with gas and oil. See engine manual packed with
lawn mower for complete instructions for the care and mainte
nance of engine. READ DIRECTIONS CAREFULLY.
2. When ready to start engine, place throttle control lever, on han
dle, in “START” position and start engine in accordance with
instructions in engine manual. After engine starts, move throttle
control lever, on handle, to desired engine speed. The engine is
stopped by placing control lever on handle in “STOP” position.
3. Be sure that lawn is clear of stones, sticks, wire or other objects
which could damage lawn mower or engine. For best results and
to insure more even grass distribution, do not mow when lawn
is excessively wet.
ADJUSTMENTS
CAUTION; Do not at any time make any adjustment to lawn mower
without first stopping engine and disconnecting spark plug wire.
EASY CUTTING HEIGHT - An adjusting plate and thumb lever at
each wheel position provides cutting height adjustment. Each adjust
ing plate has five holes. Height of cut will be changed when the
thumb lever is moved from one hole to another. Simply depress
thumb lever towards wheel and move wheel and lever assembly to
desired position. Cutting height will be raised as lever is moved to
ward front and lowered as lever is moved toward rear. All wheels
must be positioned in relative height of cut positions.
CUTTING HEIGHT — Adjustment may be made by removing and
moving wheel studs to desired position. Cut ting heights will be raised
as wheel studs are moved to a lower hole and lowered as wheel studs
are moved to a higher hole in the deck. All wheel studs must be
mounted in a relative position to the deck.
THROTTLE — If adjustment becomes necessary, the throttle con
trol wire assembly can be reset as follows;
1. Loosen, but do not remove, screw securing throttle control wire
assembly at engine.
2. Move throttle control lever on handle to “FAST” position.
3. Move lever, to which control wire is fastened at engine, to full
open position and retighten screw to seciure throttle control wire
assembly.
LUBRICATION
IMPORTANT; Always stop engine and disconnect spark plug wire
before cleaning, lubricating or doing any kind of work on lawn
mower.
WHEELS — Wheel bearings are fortiflex. They require no lubrication.
THROTTLE — Periodically lubricate throttle control lever and
throttle wire assembly with a few drops of light oil (S.A.E. No. 10
or 20) for ease of operation.
ENGINE — Follow Engine Manual for lubrication instructions.
PROTECTIVE SHIELD - The pivot points on the protective shield
should be lubricated periodically with light oil to prevent any rust or
binding.
CHUTE DEFLECTOR - The torsion spring and pivot point should
be lubricated periodically with light oil to prevent any rust or binding.
Deflector must work freely.
MAINTENANCE
CUTTING BLADE - The blade may easily be removed for grind
ing or replacement as follows;
1. Remove bolt and lockwasher holding blade and blade adapter to
engine crankshaft.
2. Remove blade and blade adapter from engine crankdiaft.
3. Remove two bolts, lockwashers and nuts holding blade to blade
adapter. (If necessary.)
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 win cause excessive vibration when rotating at high speeds
and may cause damage to the mower.
Upon reassembly, make certain all parts are assembled properly and
tightened secmely.
DECK - The underside of mower deck should be cleaned after
each period of use as grass clippings, leaves, dirt and other matter
will accumulate. This accumulation of grass clippings, etc., is un
desirable as it will invite rust and corrosion and may cause an un
even discharge of grass clippings at the next cutting.
The deck may be cleaned by tilting the mower forward or on its
left 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.
STORAGE - The following steps should be taken to prepare
lawn mower for storage.
1. Clean and lubricate mower thoroughly as described in the pro
ceeding instructions.
2. Refer to Engine Manual for correct engine storage instructions.
3. Coat mower’s cutting blade with chassis grease to prevent rust
ing.
4. Place blocks under deck to raise tires clear of floor.
5. Store mower in a dry, clean area.
USING YOUR ROTARY MOWER
For best results do not cut wet grass because it tends to stick to
underside of the mower thus preventing proper discharge of grass
clippings. If wet grass must be cut reduce engine speed and walking
speed to help distribute the clippings more effectively.
New grass should be treated as wet grass, otherwise a normal walk
ing speed is about the right pace for efficient mowing.
The best mowing pattern is one that allows the clippings to dis
charge 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 angles to first di
rection.
Lawn should be cut in the faU as long as there is growth.
GRASS CATCHER Model No. 192-003 is available as optional equip
ment 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. Throughly inspect the mower for any damage, and
repair the damage before restarting and operating the mower.
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 al
terations by unauthorized persons. This warranty does not include the engine, motor, battery, bat
tery 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 war
ranty 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
PARTS INFORMATION
MOWER, TILLER, SNOW THROWER AND TRACTOR
PARTS
Mower, tiller, snow thrower and tractor parts are available
through the authorized service firms listed below. All orders
should specify the model number of your unit, parts
numbers, description of parts and the quantity of each part
required.
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 8t 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
Center Supply Company
6867 New Hampshire Avenue
Takoma Park, Maryland 20012
R. T. Clapp Co.
2016 Magnolia Ave., N. E.
Knoxville, Tennessee 37917
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 8i 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.
615 W. Genesee Street
Syracuse, New York 13204
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
ENGINE PARTS AND SERVICE
Engine 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 and Stratton or Tecumseh Lauson — Power
Products.
Moz-AII 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
Power Equipment Distributor
36463 So. Gratiot Avenue
Mt. Clemens, Michigan 48043
Parts & Sales Inc.
335 West St. Charles Road
Villa Park, Illinois 60181
Power Lawn 8i Garden Equip. Co.
2551-2571 J. F. Kennedy Road
Dubuque, Iowa 52001
Raub Supply Company
James & Mulberry Sts.
Lancaster, Pennsylvania 17604
Radco Distributors
2403 Market Street
P. O. Box 3216
Jacksonville, Florida 32206
Richmond Battery & Ignition
P. O. Box 25369 - 957 Myers St.
Richmond, Virginia 23260
Smith Hardware Company
515 N. George Street
Goldsboro, North Carolina 27530
South Denver Lawn Equip. Co.
527 West Evans
Denver, Colorado 80223
Suhren Engine
8330 Earhart Bivd.
New Orleans, Louisiana 70118
Sutton's Lawn Mower Shop
Route 4, Box 343
North Little Rock, Arkansas 72117
Warner Equipment
7520 Lyndale Avenue, So.
Minneapolis, Minnesota 55423
FORM NO. 770-3499
PRINTED IN U.S. A.
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