woodmizer LT28 D17 Leitfaden
WARNING! Read and understand this
manual before using this machine.
!
LT28 D17 Engine
Safety, Operation, Maintenance
& Parts Manual
007333 D17 Kohler/Lombardini rev. D
Safety is our #1 concern!
October 2009
Form #1633
Used with
LT28D17 rev. A6.07 - A6.17
LT28D18 rev. A6.00 - A6.06
Designation changed from D18 to D17 per
ECN 19807 on 11/122013 to more accurately
describe the power.
Active Patents assigned to Wood-Mizer, LLC
Wood-Mizer, LLC has received patents that protect our inventions which are a result of a dedication to
research, innovation, development, and design. Learn more at: woodmizer.com/patents
©2023 Wood-Mizer LLC
Printed in the United States of America, all rights reserved. No part of this manual may be reproduced in any form by any
photographic, electronic, mechanical or other means or used in any information storage and retrieval system without
written permission from
Wood-Mizer, LLC
8180 West 10th Street
Indianapolis, Indiana 46214
Table of Contents Section-Page
Table of Contents WM doc 1/3/24 iii
SECTION 1 OPERATION AND MAINTENANCE
1.1 Starting The Engine ............................................................................... 1-1
1.2 Safety ..................................................................................................... 1-1
1.3 Battery.................................................................................................... 1-2
1.4 Fuel Filter............................................................................................... 1-2
SECTION 2
SECTION 3 REPLACEMENT PARTS
2.1 Fuel Tank Rev. A6.13+......................................................................... 2-1
2.2 Fuel Tank Rev. A6.06 - A6.12 ............................................................2-2
3.3 Engine Assembly ................................................................................... 3-1
3.4 Throttle/Clutch Assembly...................................................................... 3-3
Operation and Maintenance
Starting The Engine
1
1-1 WM doc 1/3/24 Operation and Maintenance
ABOUT THIS MANUAL
This manual is provided as a supplement to the equipment manufacturer’s manuals. This manual provides information spe-
cific to the use of this equipment on the Wood-Mizer® sawmill. Refer to the sawmill operator’s manual and manufacturer's
manual before attempting to operate this equipment.
NOTICE Read the sawmill operator’s manual and engine manufacturer’s manual for instructions
and safety precautions before operating this equipment.
The information and instructions given in this manual do not amend or extend the limited warranties for the equipment
given at the time of purchase.
SECTION 1 OPERATION AND MAINTENANCE
1.1 Starting The Engine
DANGER! Always be sure the blade is disengaged and clear the path of the blade before starting
the engine. Failure to do so will result in serious injury or death.
DANGER! Operate your engine/machine only in well ventilated areas.Exhaust gases can cause
nausea, delirium and potentially death unless adequate ventilation is present.
DANGER! Never operate an engine with a fuel or oil leak. The leaking fuel or oil could potentially
come in contact with hot surfaces and ignite into flames.
WARNING! Do not operate engine without proper and operational spark arrester/muffler. Sparks
emitted from the engine exhaust could ignite surrounding materials, causing serious injury or
death.
CAUTION! EPA Compliant Gas Tanks Only: Always relieve all fuel pressure inside the tank prior
to filling or connecting fuel fittings. Failure to do so may result in fuel spillage.
CAUTION! EPA Compliant Gas Tanks Only: Disconnect the fuel tank when not in use, or engine
flooding or fuel spillage may result
1. See the engine manufacturer’s manual for lubricating oil recommendations for specific temperature ranges.
2. Use #2 or better quality diesel fuel for above freezing starting. Use a #1 quality diesel fuel for below freezing starting.
3. Turn the key switch to the on (#1) position.
4. Turn the key switch to the start (#2) position and release.
ENGINE SHUTOFF
1. Disengage the clutch handle to stop the blade if necessary.
2. Turn the key switch to the off (#0) position.
Refer to the manufacturer’s manual for maintenance intervals and procedures unless otherwise instructed in this manual.
Follow the manufacturer’s recommendations for dusty conditions.
NOTICE This manual only provides information about additional procedures or procedures to be
performed at different time intervals than found in the manufacturer's manuals. Refer to the man-
ufacturer's manual for complete maintenance instructions.
1.2 Safety
Use caution when performing maintenance or service to the engine.
Maintenance
Battery 1
Maintenance WM doc 1/3/24 1-2
DANGER! Always be aware of and take proper protective measures against rotating shafts, pul-
leys, fans, etc.
Always stay a safe distance from rotating members and make sure that loose clothing or long
hair does not engage rotating members.
Never touch or perform service functions on a hot engine.
WARNING! Remove the blade before performing any engine service. Failure to do so may result
in serious injury.
Wear proper (eye, breathing, hand, and foot) safety equipment when performing service func-
tions.
Clean sawdust from all guards, vents, control boxes, or any area where sawdust may
gather after every shift. Failure to do so may result in fire, causing death or serious
injury.
1.3 Battery
Check the battery electrolyte level every 50 hours of operation. See manufacturer’s manual for instructions.
DANGER! Batteries expel explosive gases.
Keep sparks, flames, burning cigarettes, or other ignition sources away at all times.
Wear a face shield when working on batteries.
WARNING! Battery posts, terminals and related accessories contain lead and lead compounds.
Wash hands after handling.
1.4 Fuel Filter
Replace the fuel filter every 100 hours of operation or as required for engine performance.
SECTION 1
Replacement Parts
Fuel Tank Rev. A6.13+
2
2-1 WM doc 1/3/24 Replacement Parts
SECTION 2 REPLACEMENT PARTS
2.1 Fuel Tank Rev. A6.13+
REF PART # DESCRIPTION COMMENTS QTY.
074829 TRAY ASSEMBLY, LT28/35 FUEL TANK 1
1103810 Weldment, Fuel Tank Tray 1
2103867 Cover, Fuel Tank 1
103928 Tank, 5 Gallon Low Pro Diesel 1
3061257 Cap, Fuel Tank Diesel 080185BE 1
4061255 Fitting, Pick-Up/Tube Diesel 468871A 1
5061250 Grommet, Shut Off 046881 2
6061256 Fitting, Return/tube Diesel 468489 1
7F05006-15 Bolt, 5/16-18 x 1/2” Hex Head Grade 5 4
8F05007-73 Bolt, 3/8-16 x 3” Hex Head Grade 5 3
9F05010-10 Nut, 3/8-16 Hex Nyloc 3
10 F05011-3 Washer, 3/8” Flat SAE 6
11 F05011-13 Washer, 5/16 Split Lock 4
12 F05011-17 Washer, 5/16 SAE Flat 4
R02423-1 Hose, Fuel 3/16" EPA 15G CARB R02423-1 replaced R02423-3
after 2/1/2021 per ECN 37794.
6 Ft
R02423-3 Hose, Fuel 5/16" EPA 15G CARB 6 Ft
R02423-2 Hose, Fuel 1/4" EPA 15G CARB 6 Ft
1
2
3
9
8
4
5
6
7
10
11
12
280062B
5
Replacement Parts WM doc 1/3/24 2-2
Replacement Parts
Fuel Tank Rev. A6.06 - A6.12 2
2.2 Fuel Tank Rev. A6.06 - A6.12
REF PART # DESCRIPTION COMMENTS QTY.
038580 TRAY ASSEMBLY, LT28 DIESEL CAN Rev. A6.06 - A6.12 only 1
A12132 Tank Assembly, 5-Gallon Diesel Fuel 1
1P12166 Tank, 5-Gallon Diesel Fuel Available in assemblies only. 1
2P12172 Pickup, 9" Fuel 2
3P09683 Cap, 3 or 5-Gallon Fuel Tank 1
4P12175 Fitting, 1/4" NPT Plastic Female Disconnect 1
5P12176 Fitting, 1/4" NPT Plastic Male Disconnect 1
6015582 Fitting, Female Quick Disconnect Barb 1
7015583 Fitting, 1/4” NPT Male Quick Disconnect 1
8P642 Hose, 1/4” ID Fuel 5.5 Ft
9016338 Hose, 5/16” Fuel Line 8 Ft
10 P649 Clamp, 7/32 - 1/2 Hose 4
11 048600 Tray Weldment, LT28 Fuel 1
12 F05005-34 Bolt, 1/4-20 X 1” Carriage 2
13 F05010-21 Nut, 1/4-20 Swaged 2
14 P11258 Strap, 24 Rubber W/Hooks 2
15 F05007-29 Bolt, 3/8-16 x 2 3/4” Hex Head 2
16 F05011-3 Washer, 3/8” SAE Flat 2
17 F05010-10 Nut, 3/8-16 Hex Nylon Lock 2
1
2
3
4
8
9
10
10 10
5
11
12
13
14
15
16
17
280047-1C
6
7
Replacement Parts
Engine Assembly
3
3-1 WM doc 1/3/24 Replacement Parts
3.3 Engine Assembly
REF PART # DESCRIPTION COMMENTS QTY.
007333 ENGINE ASSEMBLY, LT15 17HP DIESEL 1
1007332 Engine, 17HP Kohler Diesel Model KDW702 Available in assemblies only. 1
2007401 Filter Assembly, Kohler
#ED0037004550-S
1
007613 Filter, Kohler Secondary Air
#ED0021751250-S
1
007408 Filter, Kohler Primary Air
#ED0021751240-S
1
007614 Motor, Kohler Starter #ED0058402240-S 1
065408 Alternator, Kohler 65A
#ED0011572700-S
1
065409 Belt, Kohler Fan #ED0024403160-S 1
061187 Filter, Kohler/Lombardini Oil
#ED0021752830-S
1
061188 Filter, Kohler/Lombardini Fuel
#ED0021752880-S
1
014557 Switch Kit, Oil Pressure w/Gasket 1
014279 Switch, Diesel Fuel Shut-Off 1
014289 Pump, Diesel Fuel 1
1
3
2
4
5
5
6
7
8
9
8
7
10
11
12
13
14
15
16
17
18
20
21
22
19
23
25
26
27
28 29
30
30
34
35
36
37
150174-1C
24
31
32
33
38
Replacement Parts WM doc 1/3/24 3-2
Replacement Parts
Engine Assembly 3
014278 Plug, Diesel Glow 2
3062308 Bracket, Air Filter Mount 1
4F05006-18 Bolt, 5/16-18 x 1 1/4” Hex Head Full Thread 2
5F05011-17 Washer, 5/16” SAE Flat 4
6F05010-20 Nut, 5/16-18 Self-Locking Hex 2
7P09895 Clamp, 2 1/2” Hose 4
8007394 Elbow, 90° x 2” ID Rubber 2
9007395 Tube, 1 3/4” ID x 2” OD x 4” 1
10 007392 Cable, LT15 D18 1
11 007465 Guard Weldment, D18 Radiator 1
12 F05011-11 Washer, 1/4” SAE Flat 6
13 F05011-14 Washer, 1/4” Split Lock 6
14 F05004-219 Bolt, M6 x 1.0 x 16mm Hex Head 6
15 007427 Bracket Weldment, Rear D18 Mount 1
16 F05004-251 Bolt, M12 x 1.75 x 20mm Hex Head Full
Thread
2
17 F05011-3 Washer, 3/8” SAE Flat 8
18 F05007-123 Bolt, 3/8-16 x 1 1/4” Hex Head Grade 5 4
19 F05010-10 Nut, 3/8-16 Hex Nylon Lock 4
20 007426 Bracket, D18 Front Mount 1
21 F05006-27 Bolt, 5/16-18 x 1” Hex Head Grade 5 2
22 F05010-58 Nut, 5/16-18 Hex Nylon Lock 2
23 014024 Shaft, Diesel Engine Drive 1
24 F05011-88 Washer, 10mm Split Lock 8
25 F81003-11 Bolt, M10-1.5 x 24mm Hex Head Grade 8.8 8
26 047742 Sheave, 3V5.6 x 2-SH 1
27 007338 Bushing, SH - 1 9/16” 1
28 007336 Guard Weldment, Motor Pulley 1
29 007344 Cover, Engine Pulley Guard 1
30 F05005-134 Bolt, 1/4-20 x 3/4” Hex w/Conical Washer
Head
4
31 065163 Fitting, M18 x 3/8” NPT Adaptor 1
32 P10082 Hose, 3/8” NPT x 9 5/8” Rubber 1
33 P04332 Fitting, 3/8” Galvonized Pipe Cap 1
34 047751 BELT, 2/3VFL900 DRIVE 1
35 048237 SUPPORT WELDMENT, DRIVE BELT 1
36 F05007-118 BOLT, 3/8-16 X 3/4” HEX HEAD GRADE 5 1
37 F05010-19 NUT, 3/8-16 SELF-LOCKING HEX 1
38 007402 RAIN CAP D17 1
074947 PANEL, FRONT D17 YANMAR 1
REF PART # DESCRIPTION COMMENTS QTY.
Replacement Parts
Throttle/Clutch Assembly
3
3-3 WM doc 1/3/24 Replacement Parts
3.4 Throttle/Clutch Assembly
REF PART # DESCRIPTION COMMENTS QTY.
1065574 BLOCK WELDMENT, LINKAGE CLUTCH/BRAKE 1
2F05012-16 PIN, 3/16” X 1 1/4” ROLL 1
3016486 BUSHING, 5/8” ID X 7/8” OD X 1 1/4” LONG FL
BRONZE
2
4049340 SHAFT, LT28 THROTTLE 1
5034815 ACTUATOR WELDMENT, THROTTLE LT15D&G 1
6F05007-68 SCREW, 3/8-16 X 3/8” SOCKET HEAD CUP PT
SET
2
7034818 LINKAGE, THROTTLE LT15D&G 1
8F05005-15 BOLT, 1/4-20 X 1/2” HEX HEAD 1
9F05010-21 NUT, 1/4-20 SWAGED 1
10 P737 BUSHING, 1” X 1 1/4” X 3/4” FLANGED BRONZE 2
11 034608 PIVOT WELDMENT, CLUTCH/BRAKE 1
034605 LINKAGE ASSEMBLY, W/BEARING 1
12 034604 Boss Weldment, Clutch/Brake Linkage 1
13 016486 Bushing, 5/8” ID x 7/8” OD x 1 1/4” Long
Flanged Bronze
1
038778 NUT ASSEMBLY, 1/2-13 SPRING LOCKING 1
14 F05010-31 Nut, 1/2-13 Hex Jam 1
15 038777 Nut, 1/2-13 Spring Lock 1
16 046975 Spring, .72” OD x .576” ID x 1.25L Compression 1
17 F05010-127 Nut, 1/2-13 Half Nylon Lock 1
1
2
3
13
4
3
5
9
8
7
6
10
10
11
12
14
17
18 19
20
21
22
20
23
21
24
25
33
32
26
27
28
31
30 29
280059-2D
15
16
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1
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