Page 1
10 CENTS
Model Nos. 111-300
111-310 111-730 111-750
ROTARY MOWER
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 war
ranty 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, 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 warranty card has been pro
perly processed. It will not apply where the unit has been
used commercially.
Warranty service is available through your local author
ized service dealer or distributor. UNDER NO CIRCUM
STANCES WILL THE RETURN OF A COMPLETE UNIT
BE ACCEPTED BY THE FACTORY UNLESS PRIOR
WRITTEN PERMISSION HAS BEEN EXTENDED.
Your rotary mower is a precision piece of power equip
ment, not a plaything. Therefore exercise extreme caution
at all times.
1. Remove all sticks, stones, wire and other hazardous items
from lawn before mowing. Such items are dangerous to
both the mower and individuals in the vicinity of the
mower.
2. Always disconnect spark plug cable during repairs or re
fueling operations.
3. Always start engine from side opposite discharge chute.
4. NEVER place hands or feet under mower or near dis
charge chute while engine is running.
5. Do not tilt mower at extreme angle while engine is run
ning. Cut grass on hills and banks sideways, not up and
down.
6. Always stop engine when not cutting grass.
7. Do not fill gas tank while engine is running. Do not spill
gasoline on hot engine.
8. Keep children and pets away from area at all times during
mowing operation. Never allow mower to discharge grass
toward any perron.
9. Do not attempt to start engine while mower is resting in
high grass.
10. Check all nuts and bolts, particularly the blade bolts, for
tightness. This is especially important during the initial
operation period. Make this same check periodically
thereafter.
11. While operating the mower, if any foreign object is struck,
stop the mower and inspect for damage. Do not restart
or operate the mower until all damage has been repaired.
WARNING: Should excessive vibration develop, check your
blade and crankshaft immediately. Do not operate mower
with an unbalanced blade, a damaged blade or a damaged
crankshaft.
IPR.OIDXJCTS I3STC
• 5389 WEST 130th ST. • P.O. B0X 2741 • CLEVELAND, OHIO 44111
FORM NO. 770-2892A
Page 2
UPPER HANDLES ORDER;
CHROME 310-9364
WHITE 312-9363
o
33
z
o
NOTE: Easy Height Adjuster MAY or MAY NOT be used on your unit
illus.
No.
31
32
33
34
35
36
37 310-9682
37
Part
No.
310-7492
310-8313
305-7520
712-214
710-209
710-362
738-102
310-9683
Wheel Pivot Bar
DESCRIPTION
Spring Lever Assembly
Red Knobs
GRIPCO Locknut 3/8 — 24 Thread
Sems Hex Hea^ Cap Screw 3/8 — 16 x 5/8 Long
Hex Bolt Special
Axle Bolt
Index Plate R. H.
index Plate L. H.
901-969J L.H
901-9692 R.H
m-300
in-310
m-730
m-750
LOWER HANDLES ORDER:
CHROME 310-7016 19"
WHITE 312-7039 19"
CHROME 310-7036 22"
WHITE 312-7040 22"
When ordering parts give
the following information.
1. Model number
2. Part number
3. Part name
4. Color of part
CHANGE OIL
Change oil after first 5 hours of op
eration while engine is worm. There
after change oil every 25 hours of
operation while engine is warm. En
gine may be drained through oil filler
opening. Be sure to replace drain
plug and oil filler cap.
^-34
Page 3
PARTS LIST FOR MODELS 111-300, 310, 730 AND 750
Ref.
No.
111-300
Part No.
1
2 710-158
714-105
3
504-9392
4
— —
111-310
Part No.
710-158
714-105 714-105
505-9392 506-9392 511-9392
5 414-10128 414-10129 437-8757
6 714-365 714-365
712-123 712-123 712-123 712-123 Hex Nut 5/16-24 Thd.
7
8
736-119 736-119 736-119 736-119 Lockwasher 5/16” Screw *t
748-189 748-189 748-189 748-189 Balde Adapter f
9
312-7582 312-7581 312-7714 312-7581 Blade
10-
11
736-169 736-169 736-169 736-169
12 710-117 710-117 710-117
13
710489 710489 710489 710489
14 738-213 738-213 738-213
15
305-7006 305-7006 305-7006
16 736-105 736-105 736-105 736-105
17 732-141 732-141 732-141 732-141
18 310-7016
310-7036
19 712-107 712-107 712-107
20 710-106 710-106
21 746-145 746-145
22 710-606 710-606 710-606
23
394-9973
394-9973
24 710-148 710-148 None
25 310-9364 310-9364 312-7584
26
305-7071
305-7071
27 310-10029 310-10029 310-8842 310-8842
310-8511
28 305-7470
310-8511
305-7470 305-7470 305-7470
29 310-10006 310-10006 310-8841 310-8841
30 901-7627 901-7627
38
901-10769 901-10769 901-10769
111-730
Part No.
— —
111-750
Part No.
Engine
710-158 710-158 Hex Hd. Cap Sew. 5/16—24 x 1-1/4” Lg. *
714-105
Cotter Pin 3/32” Dia. x 3/4” Lg. *
Wheel Assembly
437-8758
714-365 714-365
Deck Assembly
Key - Hi Pro #505 *t
Lockwasher 3/8” Screw *f
710-117
Hex Hd. Cap Sew. 5/16-24 x 1” Lg. (Heat Treated) t
Hex Hd. Cap Sew. 3/8-24 x 1-1/2” Lg. (Heat Treated) f
738-213
Axle Bolt — Use 738-102 w/weight Adj.
305-7006 Fortiflex Bearing
Belleville Washer
Conduit and Wire
312-7039 312-7040 Lower Handle
712-107 Hex Centerlock Nut 1/4—20 Thd. *
710-106 710-106
Hex Hd. Cap Sew. 1/4-20 x 1-1/4” Lg. *
746-145 746-145 Cable Clip
710-606
None None
None
312-7584
None None
Hex Hd. Cap Sew. 1/4—20 x 1-1/2” Lg. *
Cover Control
Self Tap Screw #8-32 x 5/16” Lg. *
Upper Handle (2 Req’d. on 111-300 and 310)
Grips (2 Req’d.) Black
Throttle Control (Complete) Use w/Plastic Cover
310-8511
310-8511
Throttle Control (Complete) Use w/Steel Cover
Knob Control **
Throttle Control Bracket **
901-7969 901-7969
Ferrule Assembly (Complete) **
901-10769 Blade Adapter Kit (Less Blade)
DESCRIPTION
* 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.
** Included in part number 310-10029 Control Throttle (Complete) (For Models 111-300 and 310).
** Included in part number 310-8842 Control Throttle (Complete) (For Models 111-730 and 750).
t Included in part number 901-10769 Blade Adapter Kit (Complete).
NOTE: This instruction manual covers various models, and all accessories shown do
not necessarily apply to your model mower. . . If repairs or service is needed on the
engine, please contact your nearest authorized engine service outlet. Check the
Find If Fast
In The
'Yellow Pages'
“Yellow Pages” on your telephone book under “Engines — Gasoline.”
FORM NO. 770-2892C
Page 4
ASSEMBLY
Your new mower is flipped 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. Cutting heights wiU 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. AU 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 foUows:
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 fuU
open position and retighten screw to secure 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 - PeriodicaUy 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 - FoUow Engine Manual for lubrication instructions.
MAINTENANCE
CUTTING BLADE — The blade may easily be removed for grind
ing or replacement as foUows:
1. Remove bolt and lockwasher holding blade and hub assembly to
engine crankshaft
2. Remove blade and hub assembly from engine crankshaft.
3. Remove two bolts, lockwashers and nuts holding blade to blade
hub.
When sharpening blade, foUow 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 wUl 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 securely.
DECK - The underside of mower deck should be cleaned after
each period of use as grass clippings, leaves, dirt and other matter
wUl 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 initructions.
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 cuttin^high weeds,
discharge towards cut portion then recut at right angles to first di
rection.
Lawn should be cut in the fall as long as there is growth.
FORM NO. 770-2434D
PRINTED IN U.S.A.
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