woodmizer LT28 Leitfaden
D17 Engine
Safety, Operation, Maintenance
& Parts Manual
LT28 rev. A6.00 - A6.15
Safety is our #1 concern! Read and understand
all safety information and instructions before oper-
ating, setting up or maintaining this machine.
October 2009
Form #1633
©2019
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
8180 West 10th Street
Indianapolis, Indiana 46214
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Table of Contents Section-Page
Table of Contents WMdoc072619 iii
TOC
SECTION 2 ABOUT THIS MANUAL 2-1
SECTION 3 OPERATION 3-1
3.1 Starting The Engine................................................................................3-1
SECTION 4 MAINTENANCE 4-1
4.1 Maintenance ...........................................................................................4-1
4.2 Safety......................................................................................................4-1
4.3 Battery ....................................................................................................4-2
4.4 Fuel Filter ...............................................................................................4-2
SECTION 5 REPLACEMENT PARTS 5-1
5.1 Fuel Tank................................................................................................5-1
LT28 Rev. A6.13+
5.2 Fuel Tank................................................................................................5-2
LT28 Rev. A6.06 - A6.12
5.3 Engine Assembly....................................................................................6-1
5.4 Throttle/Clutch Assembly ......................................................................6-3
INDEX I
About This Manual
2
2-1 WMdoc072619 About This Manual
SECTION 2 ABOUT THIS MANUAL
This manual is provided as a supplement to the equipment manufacturer’s manuals. This
manual provides information specific 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.
IMPORTANT! Read the sawmill operator’s manual and engine manu-
facturer’s manual for instructions and safety precautions before oper-
ating 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.
Operation
Starting The Engine
Operation WMdoc072619 3-1
3
SECTION 3 OPERATION
3.1 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.
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.
3.
Maintenance
Maintenance
4
4-1 WMdoc072619 Maintenance
SECTION 4 MAINTENANCE
4.1 Maintenance
Refer to the manufacturer’s manual for maintenance intervals and procedures unless oth-
erwise instructed in this manual. Follow the manufacturer’s recommendations for dusty
conditions.
IMPORTANT! 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 manufacturer's
manual for complete maintenance instructions.
WARNING! 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.
4.2 Safety
Use caution when performing maintenance or service to the engine.
DANGER! Always be aware of and take proper protective measures
against rotating shafts, pulleys, fans, etc. Always stay a safe distance
from rotating members and make sure that loose clothing or long hair
does not engage rotating members resulting in possible injury.
DANGER! Engine components can become very hot during operation.
Avoid contact with any part of a hot engine. The exhaust components
of your engine are especially hot during and following operation. Con-
tact with hot engine components can cause serious burns. Therefore,
never touch or perform service functions on a hot engine. Allow the
engine to cool sufficiently before beginning any service function.
WARNING! Remove the blade before performing any engine service.
Failure to do so may result in serious injury.
WARNING! Always wear proper and necessary safety equipment
when performing service functions. Proper safety equipment includes
eye protection, breathing protection, hand protection and foot protec-
tion.
This symbol identifies the interval (hours of operation) at which each maintenance pro-
cedure should be performed. "AR" signifies maintenance procedures which should be
performed as required.
0
Maintenance
Battery
Maintenance WMdoc072619 4-2
4
4.3 Battery
Check the battery electrolyte level every 50 hours of operation. See manufacturer’s man-
ual for instructions.
DANGER! Batteries expel explosive gases. Keep sparks, flames,
burning cigarettes, or other ignition sources away at all times. Always
wear safety goggles and a face shield when working near batteries.
Failure to do so will cause serious injury.1
WARNING! Battery posts, terminals and related accessories contain
lead and lead compounds, chemicals known to the State of California
to cause cancer and reproductive harm. Wash hands after handling.
4.4 Fuel Filter
Replace the fuel filter every 100 hours of operation or as required for engine perfor-
mance.
1. Battery Council International, copyright 1987
50
100
Replacement Parts
Fuel Tank
5
5-1 28D1709doc072619 Replacement Parts
D17
SECTION 5 REPLACEMENT PARTS
5.1 Fuel Tank
LT28 Rev. A6.13+
REF DESCRIPTION ( Indicates Parts Available In Assemblies Only) PART # QTY.
TRAY ASSEMBLY, LT28/35 FUEL TANK 074829 1
1Weldment, Fuel Tank Tray 103810 1
2Cover, Fuel Tank 103867 1
Tank, 5 Gallon Low Pro Diesel 103928 1
3Cap, Fuel Tank Diesel 080185BE 061257 1
4Fitting, Pick-Up/Tube Diesel 468871A 061255 1
5Grommet, Shut Off 046881 061250 2
6Fitting, Return/tube Diesel 468489 061256 1
7Bolt, 5/16-18 x 1/2” Hex Head Grade 5 F05006-15 4
8Bolt, 3/8-16 x 3” Hex Head Grade 5 F05007-73 3
9Nut, 3/8-16 Hex Nyloc F05010-10 3
10 Washer, 3/8” Flat SAE F05011-3 6
11 Washer, 5/16 Split Lock F05011-13 4
12 Washer, 5/16 SAE Flat F05011-17 4
Hose, Fuel 5/16" EPA 15G CARB R02423-3 6 Ft
Hose, Fuel 1/4" EPA 15G CARB R02423-2 6 Ft
1
2
3
9
8
4
5
6
7
10
11 12
280062B
5
Replacement Parts
Fuel Tank
Replacement Parts 28D1709doc072619 5-2
5
D17
5.2 Fuel Tank
LT28 Rev. A6.06 - A6.12
REF DESCRIPTION ( Indicates Parts Available In Assemblies Only) PART # QTY.
TRAY ASSEMBLY, LT28 DIESEL CAN 038580 1 1
Tank Assembly, 5-Gallon Diesel Fuel A12132 1
1Tank, 5-Gallon Diesel Fuel P12166 1
2Pickup, 9" Fuel P12172 2
3Cap, 3 or 5-Gallon Fuel Tank P09683 1
4Fitting, 1/4" NPT Plastic Female Disconnect P12175 1
5Fitting, 1/4" NPT Plastic Male Disconnect P12176 1
6Fitting, Female Quick Disconnect Barb 015582 1
7Fitting, 1/4” NPT Male Quick Disconnect 015583 1
8Hose, 1/4” ID Fuel P642 5.5 Ft
9Hose, 5/16” Fuel Line 016338 8 Ft
10 Clamp, 7/32 - 1/2 Hose P649 4
1
2
3
4
8
9
10
10 10
5
11
12
13
14
15
16
17
280047-1C
6
7
Replacement Parts
Fuel Tank
5
5-3 28D1709doc072619 Replacement Parts
D17
11 Tray Weldment, LT28 Fuel 048600 1 1
12 Bolt, 1/4-20 X 1” Carriage F05005-34 2
13 Nut, 1/4-20 Swaged F05010-21 2
14 Strap, 24 Rubber W/Hooks P11258 2
15 Bolt, 3/8-16 x 2 3/4” Hex Head F05007-29 2
16 Washer, 3/8” SAE Flat F05011-3 2
17 Nut, 3/8-16 Hex Nylon Lock F05010-10 2
1 Tank Assembly and Mount Weldment 048600 modified 11/10 to turn tank 90° to prevent fuel from spashing out breather hole during
operation.
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