Gravely 915178 ZT 42 Kohler, 915180 ZT 50 Kohler User Manual
ZT
Parts Manual
Models
915146 – ZT 34
(SN 035000 +)
915148 – ZT 42
(SN 035000 +)
915150 – ZT 50
(SN 035000 +)
915168 – ZT 34 CARB
(SN 035000 +)
915170 – ZT 42 CARB
(SN 035000 +)
915178 – ZT 42 Kohler
(SN 035000 +)
E10
915180 – ZT 50 Kohler
(SN 035000 +)
The use of any gasoline exceeding 10% ethanol (E10) or 10% MTBE will void the product warranty.
L’utilisation d’une essence contenant plus de 10% d’éthanol (E10) ou de 10% de MTBE annulent la garantie.
El uso de cualquier otro tipo de gasolina con un porcentaje superior al 10% de etanol (E10) o al 10% de
MTBE invalidará la garantía del producto.
04758300 • 4/14
Printed in USA
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:
• Record Engine Model and Serial numbers here:
The Gravely 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 Dealer does not register your product,
please fill out, sign and return the product registration
card to Gravely or go to www.gravely.com.
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 Gravely 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.
UNAUTHORIZED REPLACEMENT PARTS
Use only Gravely replacement parts. The replacement of
any part on this vehicle with anything other than a
Gravely authorized replacement part may adversely
affect the performance, durability, or safety of this unit
and may void the warranty. Gravely 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
MODELS
Domestic
Model 915146 (ZT 34)
Briggs & Stratton with 34” Mower
Serial No. 035000 and up
TABLE OF CONTENTS
DECALS
Decals – Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Decals – Style . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Model 915148 (ZT 42)
Kawasaki with 42” Mower
Serial No. 035000 and up
Model 915150 (ZT 50)
Kawasaki with 50” Mower
Serial No. 035000 and up
Model 915168 (ZT 34 CARB)
Briggs & Stratton with 34” Mower
Serial No. 035000 and up
Model 915170 (ZT 42 CARB)
Kawasaki with 42” Mower
Serial No. 035000 and up
Model 915178 (ZT 42 Kohler)
Kohler with 42” Mower
Serial No. 035000 and up
Model 915180 (ZT 50 Kohler)
Kohler with 50” Mower
Serial No. 035000 and up
MAIN FRAME AND TRANSAXLES
Frame, Hood, Fenders, Casters and Tires. . . . . . . . . 6
Seat and Seat Support. . . . . . . . . . . . . . . . . . . . . . . 10
Transaxle, Dump Valves and Rear Wheels . . . . . . . 14
OPERATOR CONTROLS
Parking Brake. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Steering Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
FUEL TANKS AND ENGINE
Engine, Exhaust, Belts and Idlers . . . . . . . . . . . . . . 20
Fuel Tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
ELECTRICAL SYSTEM
Continuity Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . 23
Electrical System . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
MOWER DECKS
Mower Deck Lift . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Mower Deck, Belt and Idlers . . . . . . . . . . . . . . . . . . 30
Belt Covers and Blades . . . . . . . . . . . . . . . . . . . . . . 34
3
© Copyright 2014 Ariens Company
DECALS – SAFETY
077541
03271900
07800029
MAX. FILL
Max. Remplir
Máx. llene
080000604
07800401
04412500
P
07800339
07800410
1
5
6
2
7
8
4
9
10
11
3
12
3
13
Model 915146, 148, 150, 168, 170, 178, 180
Item Part No. Qty. Description
1 03271900 2 Decal, Transmission Disconnect
2 07757600 1 Decal, Instructional Steering
3 07800410 2 Decal, Safety – Mower Deck
4 07800334 1 Decal, Cut Height
5 07800403 1 Decal, Safety – Main
6 07757500 1 Decal, Parking Brake Lever
7 07800401 1 Decal, Safety – Guarding
8 07754100 2 Decal, Hot Surface
9 07800029 1 Decal, Fuel Warning
10 05301400 1 Decal, Throttle Control (915146, 168)
04413500 1 Decal, Throttle/Choke Combo (915148, 150, 170, 178, 180)
11 08000604 1 Decal, Fuel Level
12 05305000 1 Decal, Trailer Hitch (915148, 150, 170, 178, 180)
13 07800402 1 Decal, Safety – Deck Guarding
4
DECALS – STYLE
1
2
3
Model 915146, 148, 150, 168, 170, 178, 180
Item Part No. Qty . Description
1 07800101 1 Decal, ZT 34 (915146, 168)
07800210 1 Decal, ZT 42 (915148, 170, 178)
07800211 1 Decal, ZT 50 (915150, 180)
2 08000507 1 Decal, Gravely Heritage, Sma ll
3 07800516 1 Decal, Deck Warranty - Xcel
5
To engine purge port
To purge port
on item 39
To fuel
tank neck
To tank port
on item 39
1
3
5
2
14
15
7
8
10
9
6
17
11
13
25
22
16
18
20
19
49
46
8
18
13
17
5
4
4
4
4
4
19
12
20
23
23
45
48
47
21
27
26
30
31
29
28
24
40
35
19
32
19
19
19
33
36
37
33
38
39
44
34
34
34
34
34
34
42
41
43
16
50
51
52
46
47
23
55
53
54
16
46
56
57
FRAME, HOOD, FENDERS, CASTERS AND TIRES
Model 915168, 170
6
FRAME, HOOD, FENDERS, CASTERS AND TIRES
Model 915168, 170
Item Part No. Qty. Description
1 51525900 1 Weldment, Frame
2 03768600 1 Fender, Right Hand
3 03768700 1 Fender, Left Hand
4 07500125 6 Rivet, Nylon
5 04717553 2 Plate, Fender
6 03368553 2 Fork, Caster
7 07100124 2 Wheel/Tire Assembly, 11 x 4-5
8 05500934 4 Bushing, Flange 1.00 x 1.25 x 1.50 x 1.50
9 00278500 2 Spacer, Wheel
10 05964400 2 Bolt, Hex .50-13 x 6.50
11 04717353 1 Weldment, Fender Mount Right Hand
12 04717253 1 Weldment, Fender Mount Left Hand
13 06543600 4 Nut, Locking T op Flange .50-13
14 05962200 2 Bolt, Hex .50-13 x 5.00
15 06436400 2 Washer, Flat Steel .511 x 1.441 x .125
16 06542000 6 Nut, Locking T op Flange .38-16
17 00363100 4 Spacer, Caster
18 08553700 2 Bushing, Sleeve .391 x .688 x .52
19 06545400 8 Nut, .31-18 Nyloc Flange
20 06219900 4 Bolt, Round Head Square Neck .25-20 x .75
21 06443300 2 Washer, Flat Nylon .52 x 1.00 x .08
22 06500012 4 Nut, .25-20 Nyloc Flange
23 07400034 4 Screw, Tapping .25-20 x .50 Hex Washer Head Thread
24 03833800 1 Grip, Adhesive (1" x 16" BLK)
25 04423000 1 Expansion Tank Subassembly
26 04082700 1 Grommet, Remote Vent Nitrile
27 04068910 1 Vent, Roll-Over (.25" ID Hose)
28 03278100 7" Hose, .25 Low-Perm Bulk Gas
29 03278100 10" Hose, .25 Low-Perm Bulk Gas
30 04082500 1 Carbon Canister, 300CC
31 04086551 1 Bracket, Mount, Canister BBZ
32 04102900 2 Plastic Tie Strap Large
33 04097700 2 Clamp, Hose Spring .188
34 03278800 6 Clamp, Hose Wire .490/.510 x .116
35 04717053 1 Foot Rest
36 04097000 1 Fitting, 3/16 x 1/4 90 Deg Vac
37 03375900 7" Hose, .188 Low Perm Bulk (915168)
03375900 11" Hose, .188 Low Perm Bulk (915170)
38 03278100 27" Hose, .25 Low Perm Bulk Gas (915168)
03278100 30.5" Hose, .25 Low Perm Bulk Gas (915170)
39 04196270 1 Cupholder
40 06215700 2 Bolt, Round Head Square Neck .31-18 x .75
41 03853851 1 Plate, BBZ Hitch Kit Plate (915170)
42 05948700 2 Bolt, Hex .38-16 x 1.00
43 06223600 2 Bolt, Round Head Square Neck .38-16 x 1.00
44 51526600 1 Assembly, Engine Wrap
45 04716951 2 Bracket, Engine Wrap Foot
46 06220600 8 Bolt, Round Head Square Neck .25-20 x .50
47 06500710 6 Nut, Center Lock Flange .25-20
48 07533600 2 Bumper, Rubber
49 06530400 2 Nut, Serrated Flange .31-18
50 05501127 2 Bushing, Flange .325 x .499 x .3 x .875
51 06528700 2 Nut, Center Lock Flange .31-18
52 04717151 1 Plate, Back Foot Rest
53 06543500 2 Nut, Locking T op Flange .25-20
54 04739351 1 Guard, Heat Shield (ZT)
55 04739451 2 Strap, Heat Shield (ZT)
56 04739551 1 Guard, Hot Surface (ZT)
57 07500233 2 Cap, Dust
7
FRAME, HOOD, FENDERS, CASTERS AND TIRES
To fuel tank neck
To engine
purge port
1
3
5
2
14
15
7
8
10
9
6
17
11
4
13
16
18
19
8
18
13
17
5
4
4
4
4
12
23
23
19
22
22
21
23
26
25
28
29
29
27
30
24
32
31
41
33
34
36
35
37
16
16
23
46
38
39
40
41
42
43
44
20
45
40
41
47
48
40
49
50
51
Model 915146, 148, 150, 178, 180
8
FRAME, HOOD, FENDERS, CASTERS AND TIRES
Model 915146, 148, 150, 178, 180
Item Part No. Qty. Description
1 51525900 1 Weldment, Frame
2 03768600 1 Fender, Right Hand
3 03768700 1 Fender, Left Hand
4 07500125 6 Rivet, Nylon
5 04717553 2 Plate, Fender
6 03368553 2 Fork, Caster
7 07100124 2 Wheel/Tire Assembly, 11 x 4-5
8 05500934 4 Bushing, Flange 1.00 x 1.25 x 1.50 x 1.50
9 00278500 2 Spacer, Wheel
10 05964400 2 Bolt, Hex .50-13 x 6.50
11 04717353 1 Weldment, Left Hand Fender Mount
12 04717253 1 Weldment, Right Hand Fender Mount
13 06543600 4 Nut, Locking Top Flange .50-13
14 05962200 2 Bolt, Hex .50-13 x 5.00
15 06436400 2 Washer, Flat Steel .511 x 1.441 x .125
16 06542000 6 Nut, Locking Top Flange .38-16
17 0036 3100 4 Spacer, Caster
18 08553700 2 Bushing, Sleeve .391 x .688 x .52
19 06219900 4 Bolt, Round Head Square Neck .25-20 x .75
20 06443300 2 Wash er, Flat Nylon .52 x 1.00 x .08
21 06500012 4 Nut, Locking Top Flange .25-20
22 07400034 6 Screw, Tapping .25-20 x .50 Hex Washer Head Thread
23 06545400 8 Nut, Locking Nylon Flange .31-18
24 03833800 1 Grip, Adhesive (1" x 16" BLK)
25 04423000 1 Expansion Tank Subassembly
26 04082700 1 Grommet, Remote Vent Nitrile
27 03278100 1 Hose, .25 Low-Perm Bulk Gas (7 inches)
28 04745700 1 Assembly, Fuel Vent – Kohler, Briggs and Stratton (915146, 178, 180)
04745800 1 Assembly, Fuel Vent – Kawasaki (915148, 150)
29 03278800 2 Clamp, Hose Wire .490/.510 x .116
30 04192700 1 Cupholder, Snap-In, 3.75 OD
31 06215700 2 Bolt, Round Head Square Neck .31-18 x .75
32 04717053 1 Foot Rest
33 03375900 NA Hose, .188 Low-PERM Bulk Gas (as required)
34 04097700 2 Clamp-Hose, Spring .188
35 03853851 1 Plate, BBZ Hitch Kit Plate (915148, 150, 178, 180)
36 05948700 2 Bolt, Hex .38-16 x 1.00
37 06223600 2 Bolt, Round Head Square Neck .38-16 x 1.00
38 51526600 1 Assembly, Engine Wrap
39 04716951 2 Bracket, Engine Wrap Foot
40 06220600 8 Bolt, Round Head Square Neck .25-20 x .50
41 06500710 6 Nut, Center Lock Flange .25-20
42 07533600 2 Bumper, Rubber
43 06530400 2 Nut, Serrated Flange .31-18
44 05501127 2 Bushing, Flange .325 x .499 x .3 x .875
45 06528700 2 Nut, Center Lock Flange .31-18
46 04717151 1 Plate, Back Foot Rest
47 06543500 2 Nut, Locking Top Flange .25-20
48 04739351 1 Guard, Heat Shield (ZT)
49 04739451 2 Strap, Heat Shield (ZT)
50 04739551 1 Guard, Hot Surface (ZT)
51 07500233 2 Cap, Dust
9
SEAT AND SEAT SUPPORT
2
6
8
7
1
9
5
11
10
12
3
4
13
1415
16
3
4
Model 915146, 168
10
SEAT AND SEAT SUPPORT
Model 915146, 168
Item Part No. Qty. Description
1 03795800 1 Seat, 13 in Grey
2 03782051 1 Seat Plate
3 05900033 4 Bolt, Hex 5/16-18 x 3/4
4 07412000 2 Screw, Tapping .25-20 x .50 Hex Washer Head Thread
5 03753351 1 Guard, Fan
6 06542000 2 Nut, .38-16 Locking Top Flange
7 00337700 2 Hub Cap
8 08300021 2 Spring, Seat
9 06212100 2 Bolt, Round Head Square Neck .31-18 x 1.50
10 06439100 2 Washer, Flat Steel .328 x .87 x .179
11 06500015 2 Nut, Coupling 5/16-18 x 1.75
12 06545400 2 Nut, 5/16-18 Flange Nyloc
13 07056700 2 Bolt, Shoulder .375-16 x .135
14 01305900 2 Bushing, Flange .325 x .499 x .26 x .88
15 05946900 2 Bolt, Hex .31-18 x 1.00
16 03798751 2 Bracket, Seat Stop
11
SEAT AND SEAT SUPPORT
1
2
3
4
5
6
7
8
10
11
9
17
19
18
21
20
22
23
24
16
15
14
13
12
Model 915148, 150, 170, 178, 180
12
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