Page 1
Walk-Behind Lawn Mowers
Parts Manual
Models
911170 – LM21
911192 – LM21
911193 – LM21S
911194 – LM21SW
04502300 3/12
Printed in USA
Page 2
THE MANUAL
PRODUCT REGISTRATION
Before you operate your unit, carefully and completely
read manuals supplied with the unit. The contents will
provide you with an understanding of safety instructions
and controls during normal operation and maintenance.
For your safety and the safety of others always read,
understand, and follow all DANGER, WARNING, and
CAUTION messages found in manuals and on safety
decals.
Hardware descriptions are given in decimals.
Decimals to Fractions
.063 1/16 .563 9/16
.125 1/8 .625 5/8
.188 3/16 .688 11/16
.250 1/4 .750 3/4
.313 5/16 .813 13/16
.375 3/8 .875 7/8
.438 7/16 .938 15/16
.500 1/2 1.00 1
SERVICE AND REPLACEMENT PARTS
When ordering replacement parts or making service
inquiries, know the Model and Serial numbers of your
unit and engine.
Numbers are located on the product registration card in
the unit literature package. They are printed on a serial
number label, located on the frame of your unit.
• Record Unit Model and Serial numbers here:
The Ariens dealer must register the product at the time of
purchase. Registering the product will help the company
process warranty claims or contact you with the latest
service information. All claims meeting requirements
during the limited warranty period will be honored,
whether or not the product registration card is returned.
Keep a proof of purchase if you do not register your unit.
Customer Note: If the dealer does not register your
product, please fill out, sign, and return the product
registration card to Ariens or go to www.ariens.com on
the internet.
YOUR SATISFACTION IS IMPORTANT
Questions? Please follow these helpful steps:
1. Refer to the manuals supplied with your unit.
They will guide you through safe and proper
operation and maintenance.
They contain specifications on your unit.
If your questions are not answered in these manuals,
go to step number two.
2. Contact Your Dealer.
Our dealers will be happy to supply any service or
advice required to keep your unit operating at peak
efficiency.
A factory trained staff is available to support your
equipment needs. They stock genuine Ariens parts
and lubrican ts m anufa ctured with t he same p reci sion
and skill as the original.
If your questions are not resolved by the support
staff, ask for the manager or owner.
When contacting your Dealer supply your model and
serial numbers.
• Record Engine Model and Serial numbers here:
UNAUTHORIZED REPLACEMENT PARTS
Use only Ariens replacement parts. The replacement of
any part on this vehicle with anything other than an
Ariens authorized replacement part may adversely affect
the performance, durability, or safety of this unit and may
void the warranty. Ariens disclaims liability for any claims
or damages, whether warranty, property damage,
personal injury or death arising out of the use of
unauthorized replacement parts.
TO SPEED PARTS ORDERING:
1. Know the model and serial numbers of your unit.
2. Know the part number required.
3. Know the quantity required.
4. Know the part description.
2
Page 3
MODELS
TABLE OF CONTENTS
Model 911170 (LM21)
4 Cycle-Kohler XT-8
Recoil, Push
Serial No. 000101 and up
Model 911192 (LM21)
4 Cycle-Kawasaki 6.0hp
Recoil, Push
Serial No. 000101 and up
Model 911193 (LM21S)
4 Cycle-Kawasaki 6.0hp
Recoil, Self-Propelled
Serial No. 000101 and up
Model 911194 (LM21SW)
4 Cycle-Kawasaki 6.0hp
Recoil, Self-Propelled, Swivel
Serial No. 000101 and up
DECALS
Decals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
MAIN FRAME
Handlebar and Controls . . . . . . . . . . . . . . . . . . . . . . . 6
Mower Pan and Bag. . . . . . . . . . . . . . . . . . . . . . . . . . 8
WHEELS
Wheels and Adjusters . . . . . . . . . . . . . . . . . . . . . . . 10
Friction Wheel and Adjusters . . . . . . . . . . . . . . . . . . 12
Swivel Wheels and Brackets . . . . . . . . . . . . . . . . . . 14
ENGINE
Engine, Blade, Belt . . . . . . . . . . . . . . . . . . . . . . . . . 15
3
© Copyright 3/12 Ariens Company
Page 4
DECALS
1
3
2
4
5
6
7
Model 911170, 192, 193, 194
07761700
4
Page 5
Model 911170, 192, 193, 194
Item Part No. Qty . Description
1 07760700 1 Decal, Speed Control
2 07739400 1 Label, Bagger 21"
3 01284700 1 Decal, Ariens Deck
4 07742400 1 Decal, Bilingual Dang er
5 07761700 1 Decal, Engine Control
6 07700001 1 Decal, CPSC/USA Flag
7 08000528 1 Decal, Ariens Heritage Small
DECALS
5
Page 6
HANDLEBAR AND CONTROLS
1
4
5
6
7
10
11
11
10
41
11
11
12
13
14
15
17
18
19
16
20
21
22
23
24
25
19
26
27
28
29
28
29
30
31
32
33
34
35
35
36
37
38
39
40
4
2
2
3
3
9
31
9
31
8
43
42
Model 911170, 192, 193, 194
Item Part No. Qty. Description
1 01245151 1 Bail, Engine
2 06437200 4 Washer, Flat Steel .32 x .44 x .44 x .56 (911193, 194)
06437200 2 Washer, Flat Steel .32 x .44 x .44 x .56 (911170, 192)
3 05514500 4 Bushing, Flange .325 x .688 x .560 (911193, 194)
05514500 2 Bushing, Flange .325 x .688 x .560 (911170, 192)
4 07517000 2 Cap, Vinyl .25 I.D. (911193, 194)
07517000 1 Cap, Vinyl .25 I.D. (911170, 192)
5 01245251 1 Traction Bail (911193, 194)
6 01330051 1 Handlebar
6
Page 7
HANDLEBAR AND CONTROLS
Model 911170, 192, 193, 194
Item Part No. Qty. Description
7 01282000 1 Cable, OPC (911170)
06900014 1 Cable, Engine Kawasaki (911192, 193)
01292500 1 Cable, Engine Kawasaki (911194)
8 01245600 2 Cable, Anchor
9 02215300 2 Push Nut, .25
10 06220100 2 Bolt, Round Head Square Neck .25-20 x 1.25 (911193, 194)
06220100 1 Bolt, Round Head Square Neck .25-20 x 1.25 (911170, 192)
1 1 06529700 5 Nut, Locking Center .25-20 (911193, 194)
06529700 3 Nut, Locking Center .25-20 (911170, 192)
12 07517300 3 Cable Tie
13 06948100 1 Cable, Lockout Control (911194)
14 01141851 1 Brace, Speed Control (911193, 194)
15 01137451 1 Bracket, Speed Control (911193, 194)
16 01150051 1 Link, Handlebar Adjuster Left Hand
01150151 1 Link, Handlebar Adjuster Right Hand
17 01178700 6 Washer, Bellville Spring
18 05514900 2 Bushing, Flange .325 x .50 x .513 x .875
19 06529800 4 Nut, Locking Center .31-18
20 06222300 1 Bolt, Round Head Square Neck .25-20 x 1.38
21 06220600 1 Bolt, Round Head Square Neck .25-20 x .50 Grade
22 03256800 1 Rod, Speed Control (911193, 194)
23 06900013 1 Traction Cable (911193, 194)
24 06216100 2 Bolt, Round Head Square Neck .31-18 x 1.00 Grade 5
25 01305900 2 Shoulder Spacer
26 06215700 2 Bolt, Round Head Square Neck .31-18 x .75 Grade 5
27 06529600 1 Nut, Locking Center .38-16 (911193, 194)
28 06436200 2 Washer, Flat Steel .406 x .812 x .065 (911193, 194)
29 06306500 2 Washer, Lock .375 x .115 Heavy (911193, 194)
30 01154800 1 Pressure Flange (911193, 194)
31 06437300 3 Washer, Flat Steel .281 x .62 x .065 (911193, 194)
32 06712400 1 Pin, Cotter .06 x .50 (911193, 194)
33 01126100 1 Shift Link (911193, 194)
34 01123900 1 Bell Crank, Speed Control (911193, 194)
35 01123800 2 Friction Washer (911193, 194)
36 06222200 1 Bolt, Round Head Square Neck .38-16 x 1.25 (911193, 194)
37 06713500 1 Pin, Hair Internal .08 x .18 x 1.18 (911193, 194)
38 01173 800 1 Support Pad
39 06815700 2 Rivet .187 x .575
40 06442700 2 Washer, Flat Steel .219 x .50 x .049
41 06209300 1 Bolt, Round Head Square Neck .25-20 x 2.00 Grade 5 (911194)
42 07008200 4 Nut, Push .312
43 01245451 1 Anchor, Cable (911193, 194)
7
Page 8
MOWER PAN AND BAG
1
2
3
5
7
8
9
8
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
6
4
31
30
32
34
33
Model 911170, 192, 193, 194
8
Page 9
MOWER PAN AND BAG
Model 91 1170, 192, 193, 194
Item Part No. Qty. Description
1 01180500 1 Bag, Consumer Black
2 01241851 1 Frame, Bagger
3 01136559 1 Door, Catcher Plate
4 07411900 4 Screw, Tapping Hex Washer 12-24 x .50
5 07414900 2 Screw, Tapping 10-24 x .38 Pan Head
6 01159759 1 Plate, Catcher
7 06220600 2 Bolt, Round Head Square Neck .25-20 x .50 Grade 5
8 02215300 2 Nut, Push
9 08322400 1 Spring, Torsion .120 x .68 x 3.09
10 01141000 1 Pin, Door
11 01163500 1 Mulch Master Plug
12 06530100 2 Nut, Locking Flange .25-20
13 06219900 2 Bolt, Round Head Square Neck .25-20 x .75 Grade 5
14 01155559 1 Hinge Base Weldment (911193, 194)
01138259 1 Hinge Base (911170, 192)
15 06308000 2 Washer, Locking .25 x .077
16 06533200 2 Nut, Hex .25-20
17 01159300 1 Nut, Wing (911193, 194)
18 04042459 1 Drive Cover (911193, 194)
19 01155400 2 Trim Bumper
20 51107500 1 Mower Pan Head with Decals (911193, 194)
51107600 1 Mower Pan Head with Decals (911170, 192)
21 07507600 3 Grommet, Plastic
22 01173700 1 Baffle, Center
23 07415000 3 Screw, Tapping 10-16 x .62 Hex Washer Head
24 01180200 1 Side Discharge Assembly
25 01180351 1 Side Discharge Cover
26 06436200 2 Washer, Flat Steel .406 x .812 x .065
27 06530200 2 Nut, Locking Nylon .312-18
28 06214100 2 Bolt, Round Head Square Neck .31-18 x .75 Grade 2
29 06514900 2 Nut, Push .312
30 06222000 2 Bolt, Round Head Square Neck .31-18 x .50 Grade 5
31 01183559 1 Front Panel (911170, 192, 193)
32 06543100 2 Nut, Locking-Top-Flange .31-18 (911170, 192, 193)
33 05967000 1 Bolt, Hex .38-16 x .50 Grade 5 (911170, 192)
34 06534900 1 Nut, Locking Flange Nut, .375-16 (911170, 192)
(91 1170, 192, 193)
9
Page 10
WHEELS AND ADJUSTERS
1
2
3
4
5
6
7
8
9
10
11
13
14
15
16
9
17
18
19
9
21
12
28
4
12
13
20
23
16
9
19
27
26
22
24
25
29
29
29
Model 911170, 192, 193, 194
Item Part No. Qty. Description
1 07522300 1 Rear Protective Guard, Self Propelled (911193, 194)
2 06712400 3 Pin, Cotter .06 x .50
3 01140000 1 Rod
4 07513600 4 Knob
5 01242000 2 Lever, Height Adjustment
6 06212200 10 Bolt, Round Head Square Neck .31-18 x .62
7 06529600 2 Nut, Locking Center .38-16
07522400 1 Rear Protective Guard, Push (911170, 192)
10
Page 11
WHEELS AND ADJUSTERS
Model 911170, 192, 193, 194
Item Part No. Qty. Description
8 01167100 2 Handlebar Stud
9 06543100 9 Nut, Locking-Top-Flange Center .31-18
10 01149500 1 Rear Axle (911193, 194
01171900 1 Rear Axle (911170, 192)
11 06221800 1 Bolt, Round Head Square Short Neck .31-18 x 1.00
12 05710200 2 Ring, Retaining External .50 x .042 (911194)
05710200 4 Ring, Retaining External .50 x .042
13 06436600 10 Washer, Flat Steel .505 x .88 x .072 (911170, 192)
06436600 2 Washer, Flat Steel .505 x .88 x .072 (911194)
14 07151200 1 Wheel, Left Hand Rear (911193, 194
07151200 2 Wheel, Right Hand Rear (911170, 192)
07151500 1 Wheel, 10.50" (
07103900 2 Tire Skin 10 x 2.00 (
15 01149600 2 Spacer Tube (911193, 194)
01149800 1 Spacer Tube (Left hand side only.) (911170, 192)
16 05514800 4 Bushing, Flange .312 x .50 x .344 x .88
05514800 2 Bushing, Flange .312 x .50 x .344 x .88 (911194)
17 01154251 1 Rear Quadrant-Left Hand
01154351 1 Rear Quadrant-Right Hand
18 01137251 1 Bracket, Handlebar Mounting-Right Hand
01137151 1 Bracket, Handlebar Mounting-Left Hand
19 06543100 6 Nut, Locking Top Flange .31-18 (911194)
06543100 10 Nut, Locking Top Flange .31-18
20 07149900 2 Wheel, Front
21 04089400 1 Rear Adjuster Bracket-Left Hand (911193, 194)
01150400 1 Rear Bracket and Bearing Assembly (911193, 194)
01131200 1 Rear Bracket and Bearing Assembly Left Hand (911170, 192)
01131300 1 Rear Bracket and Bearing Assembly Right Hand (911170, 192)
22 06441100 6 Washer, Flat Steel .520 x .827 x .062
23 05946900 2 Bolt, Hex .31-18 x 1.00 Grade 5 (91 1170, 192, 193)
24 01120000 2 Lever, Front Height Adjustment (91 1170, 192, 193)
25 01119800 1 Left Hand Bracket Assembly (911170, 192, 193)
01119900 1 Right Hand Bracket Assembly (91 1170, 192, 193)
26 01168900 1 Front Axle (911170, 192, 193)
27 01154051 1 Front Quadrant, Left Hand (91 1170, 192, 193)
01154151 1 Front Quadrant, Right Hand (91 1170, 192, 193)
28 06222000 4 Bolt, Round Head Square Neck .31-18 x .50 Grade 5 (91 1170, 192, 193)
29 05532400 3 Spacer .531 x 1.00 x .195 (911170, 192)
91 1193, 194)
)
(
91 1170, 192, 193)
91 1170, 193, 194)
(
91 1170, 192, 193)
)
(
911170, 192, 193)
(
91 1170, 192, 193)
11
Page 12
FRICTION WHEEL AND DRIVE
49
1
2
48
46
45
44
48
43
15
42
51
50
37
11
12
13
40
8
39
41
38
20
21
12
22
23
24
25
26
19
7
28
29
30
31
33
34
35
36
2
16
14
32
18
10
27
Drive Carrier Kit
17
9
6
5
4
47
3
Model 911193, 194
12
Page 13
FRICTION WHEEL AND DRIVE
Model 911193, 194
Item Part No. Qty. Description
1 05705900 1 Ring, Retaining External .438 x .035
2 07411900 6 Screw, Tapping 12-24 x .50 Hex Washer Head
3 07415100 4 Screw, Tapping 5 x 0.8 x 16MM
4 01119200 1 Bearing Retainer
5 05416000 1 Bearing Ball 1.00 x 2.00 x .56
6 01131800 1 Bearing Retainer
7 00174500 1 Bearing Plate
8 01245700 1 Drive Actuator Weldment
9 06529700 3 Nut, Locking Center .25-20
10 05417500 1 Bearing, Ball .625 x 1.38 x .44
11 02201101 1 Pinion, D-S haft
12* 05480000 2 Bearing, Ball .50 x 1.375 x .437
13 01140600 1 Drive Mount
14 01133500 1 Hub, Friction Wheel
15 01139700 1 Idler Shaft
16 03248300 1 Disc, Friction
17 05947900 3 Bolt, Hex .25-20 x .50 Grade 5
18 05800500 1 Pin, Roll .188 x .88
19 01281700 1 Shaft, Friction Disk
20 01125100 1 Rod, Guide
21 06421600 1 Washer, Flat Steel 1.390 x 2.00 x .020
22 02215300 2 Push Nut .25
23 05803500 2 Pin, Roll .125 x .50
24 01124200 2 Shift Link
25 01123600 1 Shift Arm Weldment
26 01125000 1 Retainer Plate
27 51108900 1 Kit, LM Drive Carrier (Includes Items 1 - 26)
28 51109700 1 Friction Wheel Assembly
29 06529800 1 Nut, Locking Center .31-18
30 06439100 1 Washer, Flat Steel .38 x .87 x .179
31 01127300 1 Friction Sheave
32* 05435100 2 Bearing, Ball .625 x 1.375 x .43
33 06420200 1 Washer, Flat Steel 1.062 x 1.344 x .032
34 01127400 1 Spindle, Bearing
35 01127500 1 Bearing, Retainer
36 06220200 1 Bolt, Round Head Square Neck .31-18 x 1.75 Grade 5
37 05711900 2 Ring, Retaining External .579 x .930
38 06212200 2 Bolt, Round Head Square Short Neck .31-18 x .62
39 01161951 1 Pivot Channel Weldment
40 08325200 1 Spring, Tension .051 x .60 x 2.25
41 06543100 2 Nut, Locking-Top-Flang e .31-18
42 51102400 1 Differential Assembly
43 01135100 1 Retainer
44* 05408000 1 Bearing, Ball .50 x 1.38 x .437
45 01131700 1 Idler Gear
46 06425300 1 Washer, Flat Steel .531 x 1.00 x .063
47 05706200 1 Ring, Retaining External 1.00 x .042
48 06441100 2 Washer, Flat Steel .520 x .827 x .062
49 01121051 1 Gear Cover
50* 05417600 1 Bearing, Ball .625 x 1.383 x .50
51 05705900 1 Ring, Retaining External .438 x .035
* Available as individual components or part of 51105600 Service Kit which consists of (2) 05435100, (1) 05408000, (2)
05480000 and (2) 05417600.
13
Page 14
SWIVEL WHEELS AND BRACKETS
1
2
3
8
9
4
6
5
7
8
10
11
12
13
14
15
15
16
17
18
19
20
21
22
23
24
Model 911194
Item Part No. Qty. Description
1 01197059 1 Weldment, Left Hand Mount
2 01196900 1 Pin, Lockout
3 05801000 1 Pin, Roll .094 x .50
4 08337300 1 Spring, Compression - Swivel Lockout
5 06437300 1 Washer, Flat Steel .281 x .62 x .065
6 01197659 1 Weldment, Right Hand Mount
7 07012600 2 Fitting, Lube .25-28 x .256
8 06530400 8 Nut, Spin Lock Flange .312-18
9 06222000 6 Bolt, Round Head Square Neck .31-18 x .50 Grade 5
10 01196759 1 Yoke, Left Hand Outer
11 01197459 1 Yoke, Right Hand Outer
12 05946800 2 Bolt, Hex .25-20 x .75 Grade 5
13 06308000 2 Washer, Locking .25 x .062 Regular
14 06426600 2 Washer, Flat Steel .28 x 1.00 x .063
15 01196600 2 Yoke, Inner
16 06817100 2 Pin, Height Adjustment
17 06700001 2 Pin, Bow Tie Locking Cotter
18 05502100 2 Bushing, Flange .50 x .625 x .50 x .75
19 05533500 2 Sp ac er, Wheel
20 06212300 2 Bolt, Round Head Square Neck .31-18 x 2.75
21 06222300 1 Bolt, Round Head Square Neck .25-20 x 1.50 Grade 5
22 06530100 1 Nut, Locking Flange .25-20
23 01197359 1 Bracket, Hood Cable Left Hand
24 01198159 1 Bracket, Hood Cable Right Hand
14
Page 15
ENGINE, BLADE AND BELT
20
1
7
9
10
6
11
8
5
4
2
3
13
14
19
15
12
18
17
16
13
14
15
12
18
22
16
17
20
21
23
24
911170, 192
Model 911170, 192, 193, 194
Item Part No. Qty. Description
1 07217100 1 V-Belt 3L Section (911193, 194)
2 05962800 1 Bolt, Hex .44-14 x 1.50 Grade 5 (911193, 194)
3 07313300 1 Idler, Flat 1.75 x .47 (911193, 194)
4 06529800 4 Nut, Locking Center .31 -18 (911193, 194)
5 06437200 1 Washer, Flat Steel .344 x .688 x .065 (911193, 194)
6 05533300 1 Bushing, Sleeve .469 x .75 x .43 (911193, 194)
7 01141200 1 Idler Arm (911193, 194)
8 05515400 1 Bushing, Flange .325 x .501 x .250 x 1.120 (911193, 194)
9 05947000 1 Bolt, Hex .31-18 x .75 Grade 5 (911193, 194)
10 06536400 1 Nut, Locking Center .44-14 (911193, 194)
11 08321100 1 Spring, Tension .043 x .44 x 3.31 (911193, 194)
12 01137 000 1 Blade, 21" Mower
13 06308800 1 Washer, Locking .38 x .094
14 05976600 1 Bolt, Hex .38-24 x 2.00 Grade 8 (911170, 192)
05990000 1 Bolt, Hex .38-24 x 2.75 Grade 8 (911193, 194)
15 06441700 1 Washer, Flat Steel .390 x 1.50 x .125
16 01157100 1 Recoil Start Handle
17 08200820 1 Engine, Kohler XT -8 50 State (911170)
08200819 1 Engine, Kawasaki FJ180 Pro-50 State (911192, 193, 194)
18 09735100 1 Adapter, Blade (911170, 192)
09736900 1 Adapter, Blade (911193, 194)
19 06600900 1 Key, Woodruff .156 x .625 x .25 SAE #6 (911193, 194)
20 07414100 3 Screw, Tapping .38-16 x 1.00 Hex Washer Head (911170, 192)
07417400 3 Screw, Tapping .38-16 x 1.50 Hex Washer Head (911193, 194)
21 09737000 1 Pulley, Crank (911193, 194)
22 01192900 1 Washer, Wave .885 x 1.311 x .125 (911193, 194)
23 04042000 1 Plate, Engine Shim (911193, 194)
24 05501011 1 Spacer, .875 x 1.125 x .525 (911193, 194)
15
Page 16
655 West Ryan Street
Brillion, WI 54110-0157
Ariens
920-756-4688
Fax 920-756-2407
www.ariens.com
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