10 CENTS
Model Nos. 111-800
111-810 111-870 111-880
ROTARY MOWER
Dj m
w\i
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 movirer 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 person.
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.
IbdTID F^ROIDUCTS INC • 5389 west 130th ST. • P.O. B0X 274I • CLEVELAND, OHIO 44111
FORM NO. 770-2872A
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 out
let. Check the “Yellow Pages" of your telephone
book under "Engines - Gasoline."
Find ll FosI
in 7h*
'Yttllow Pages'
111-800
111-810
111-870
111-880
When ordering parts give
the following information:
1. Model number
2. Part number
3. Part name
4. Color of part
FORM NO. 770-2S72B
PARTS LIST FOR MOWER MODELS III-8OO1, 810, 870 and 880
Ref.
No.
710-473
1
437-7857
2
310-8511
3
Part No.
111-800
Part No.
111-810
710-473
437-9998
310-10033
Part No.
111-870
710-473
437-7857
310-8511
4
710-158
5
305-10258
6
710-386
7
8 438-10248
9 710-362
736-300
10
11 310-10408
12 710-209
712-123 712-123
13
14
736-119
748-189 748-189
15
312-7582 312-7582
16
17 736-217
18 710-489
710-117
19
310-7492
20
310-10530
21
22 736-105
710-158
305-10548
710-386
438-10248
710-362
736-300
310-10408
710-209
736-119
736-217
710-489
710-117
310-7492
310-10530
736-105
23 712-116 712-116
738-213 738-213
24
25
305-7006
NONE 305-7006
NONE 741-114
502-9392
26
736-105
27
901-10414 901-10414
29
512-9383 501-9392
736-105
901-10415 901-10415
310-9306
30
31 746-145
710-106
32
310-9364 310-10011
33
34 305-7071
35 712-207
712-107 712-107
36
37 394-10256
310-10009 310-8398
746-128
NONE 710-106
718-143
712-207
438-10256
38 736-147 736-147
305-7470
39
40 310-8506
41 901-7627
732-141
42
305-7470 305-7470
310-9848
901-7627
732-139
43 712-526 712-526
44 714-365
45 714-507
46 501-9392
736-213 736-213
47
710-606 710-606
48
NONE 710-405
49
NONE 394-?>966
50
714-365
714-507 714-507
513-9383 501-9392
51 901-10769 901-10769
NONE
52
NONE 437-10877
53
* For faster service obtain standard nuts, bolts, and washers locally. If these items cannot be obtained locally, order by
710-407
710-158
305-10259
710-386
438-10250
710-362
710-300
310-10408
710-209
712-123
736-119
748-189
312-7581 312-7581
736-217
710-489
710-117
310-7492
310-10530
736-105
712-116
738-213
NONE
736-105 736-105
901-10414
901-10415
746-145 746-128
310-9364 310-10011
305-7071
712-207
712-107
394-10255
736-147 736-147
310-8506
901-7627.^^ 901-7627
732-141 732-139
712-526
714-365 714-365
736-213
710-606 710-606
NONE 710-405
NONE 394-9966 Hand Knob
901-10769 901-10769
NONE
NONE
part number and size as shown on the parts list,
t Part of Throttle Control — Complete (310-8511) and (310-10033)
**Part of Blade Adapter Kit — Complete — Less Blade (901-10769)
Part No.
111-880
710-473
437-9998
310-10033
Truss Head Mach. Screw #10-24 x 1/2” Lg. *
Handle Panel
Throttle Control - Complete
Engine
710-158
305-10878
710-386
438-10250
710-362
736-300
310-10408
710-209
712-123
736-119
748-189
Hex Hd. Cap Screw 5/16-24 x 1-1/4” Lg. *
Deck Cover — Front
Hex Hd. Slotted Self-tap Screw #10-32 x 1/4” Lg. *
Deck Assembly
Hex Bolt Special
Flat Washer *
Index Plate — R.H.
Sems Hex Hd. Cap Screw 3/8—16 x 5/8” Lg. *
Hex Nut 5/16-24 Thread **
Spring Lockwasher 5/16 Screw **
Blade Adapter **
Blade
736-217
710-489
710-117
310-7492
310-10530
736-105
712-116
Spring Lockwasher 3/8 Screw Heavy Duty **
Hex Hd. Cap Screw 3/8-24 x 1-1/2” Lg. **
Hex Hd. Cap Screw 5/16-24 x 1” Lg. **
Pivot Bar
Spring Lever Ass’y. w/Knob
Belleville Washer *
Elastic Lock Nut 3/8-24 Thread *
738-213 Axle Bolt
NONE
Fortiflex Bearing
741-114 Ball Bearing
513-9383
Wheel Assembly — Front
Belleville Washer *
901-10414
901-10415
Height Adjuster R.H. - Complete
Height Adjuster L.H. - Complete
310-10024 Lower Handle
Cable Clip
NONE
Hex Head Cap Screw 1/4-20 x 1-1/4” Lg. *
Upper Handle
718-143 Grip — Black
712-207
712-107
438-10255
Speed Nut
Hex Center Lock Nut 1/4—20 Thread *
Deck Cover — Rear
Lockwasher 10—32 Screw *
305-7470
Knob — Throttle f
310-9848 Bracket — Throttle f
Ferrule Assembly t
Conduit and Wire f
712-526
Speed Nut
Hi Pro Key #505 **
714-507
Cotter Pin 3/32 Dia. x 3/4” Lg. *
513-9383 Wheel Assembly — Rear
736-213
Belleville Washer (Height Adj.)
Hex Hd. Cap Screw 1/4-20 x 1-1/2” Lg. *
Curved Head Screw 5/16—18 x 1-3/4 ” Lg.
Blade Adapter Kit — Less Blade
710-407
437-10877
Slot Hex Hd. Ex. Screw #8—32 x 1/2” Lg. *
Engine Shroud
Description
FORM NO. 770-2872C
ASSEMBLY INSTRUCTIONS
ASSEMBLY — Optional handle
Your new mower is shipped completely assembled with the
exception of the handle and throttle control assembly.
1. Remove lawn mower and all parts from carton. Make cer
tain 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. Secure throttle wire to lower
8. 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
NOTE: For shipping purposes your mower is set with the
wheels in a low cutting height position. For best results,
raise thecutting position until it is determined which height
is best for your lawn. See adjustments.
1. Service enginewith gas and oil. See Engine Manual pack
ed with lawn mower for complete instructions for the care
and maintenance of engine. READ DIRECTIONS
CAREFULLY.
2. When ready to start engine, place throttle control lever in
“START” position and start engine in accordance with
instructions in Engine Manual. After engine starts, move
throttle control lever to desired engine speed. The engine
is stopped by placing control lever in the “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 distribu
tion, do not mow when lawn is excessively wet.
4. Check blade bolts for proper tightness.
ADJUSTMENTS
CAUTION: Do not at any time make any adjustment to lawn
mower without first stopping engine and disconnecting spark
plug wire.
CUTTING HEIGHT - An adjusting plate and thumb lever at
each wheel position provides cutting height adjustment.
Each adjusting plate has five holes. Hei^it of cut will be
changed when the thumb lever is moved from one hole to
another. Simply depress thumb lever towards wheel apd move
wheel and lever assembly to desired position. Cutting
height will be raised as lever is moved toward front and
lowered as lever is moved toward rear. All wheels must be
positioned in relative height of cut positions.
THROTTLE - If adjustment becomes necessary, the throttle
control wire assembly can be reset as follows:
1. Loosen, but do not remove, screw securing throttle con
trol 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 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.
FORM NO. 770-2872D
require no lubrication (800 and 870 models). Models 810,
880 lubricate periodically bearings on wheels.
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.
MAINTENANCE
CUTTING BLADE - The blade may easily be removed for
grinding or replacement as follows:
1. Remove bolt and lock washer holding blade and hub
assembly to engine crankshaft.
2. Remove blade and hub assembly from engine crankshaft.
3. Remove two bolts, lock washers and nuts holding blade
to 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 unbal
anced blade. An unbalanced blade will 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 will accumulate. This accumulation of grass
clippings, etc. is undesirable as it will invite corrosion and
may cause an uneven 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
preceding instructions.
2. Refer to Engine Manual for correct engine storage
instructions.
3. Coat mower’s cutting blade with chassis grease to
prevent rusting.
4. Place blocks under deck to raise tires clear of floor.
5. Store mower in a dry, clean area.
USING YOUR MOWER
For best results, do not cut wet grass because it tends to
stick to underside of the mower thus preventing proper dis
charge 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 nor
mal walking speed is about the right pace for efficient mow
ing... The best mowing pattern is one that allows the clip
pings 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 angles to first direction.
Lawn should be cut in the fall as long as there is growth.
PRINTED IN U.S.A.
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