woodmizer D19 Guide

WARNING! Read and understand this
manual before using this machine.
!
D19 Engine
Safety, Operation, Maintenance
& Parts Manual
038570 Engine, LT15 19HP Dieselrev.C
Used with
LT15D19 obsolete as of rev. E6.07
Safety is our #1 concern!
Form #1355

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
California
Proposition 65 Warning
WARNING:
Breathing gas/diesel engine exhaust exposes you to chemicals known to
the State of California to cause cancer and birth defects or other reproductive harm.
Always start and operate the engine in a well-ventilated area.
If in an enclosed area, vent the exhaust to the outside.
Do not modify or tamper with the exhaust system.
Do not idle the engine except as necessary.
For more information go to www.P65warnings.ca.gov.
WARNING: Drilling, sawing, sanding or machining wood products can expose you to
wood dust, a substance known to the State of California to cause cancer. Avoid inhaling
wood dust or use a dust mask or other safeguards for personal protection.
For more information go to www.P65Warnings.ca.gov/wood.

Table of Contents Section-Page
Table of Contents WM doc 6/27/23 3
SECTION 1 ABOUT THIS MANUAL
SECTION 2 OPERATION
2.1 Starting the Engine....................................................................................................................... 2-1
SECTION 3 MAINTENANCE
3.1 Safety ...........................................................................................................................................3-1
3.2 Cooling System ............................................................................................................................ 3-1
3.3 Air Filter & Pre-Cleaner .............................................................................................................. 3-1
3.4 Fuel Filter.....................................................................................................................................3-2
3.5 RPM Adjustments........................................................................................................................ 3-2
3.6 Miscellaneous Maintenance.........................................................................................................3-2
SECTION 4 REPLACEMENT PARTS
4.1 Fuel Tank ..................................................................................................................................... 4-1
4.2 Fuel Tank .....................................................................................................................................4-2
4.3 Engine Assembly ......................................................................................................................... 4-3
4.4 Throttle/Clutch Assembly............................................................................................................ 4-5

Introduction
About This Manual
1
1-1 WM doc 6/27/23 Introduction
SECTION 1 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.
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.

Operation
Starting the Engine 2
Operation WM doc 6/27/23 2-1
SECTION 2 OPERATION
2.1 Starting the Engine
DANGER! Ensure the blade is disengaged and all persons are out of the path of the
blade before starting. Failure to do so will result in death or serious injury.
DANGER! Operate your engine only in well ventilated areas. The exhaust gases of
your engine can cause nausea, delirium, and potentially death unless adequate venti-
lation is present.
DANGER! Never operate an engine with a fuel or oil leak. This is a fire hazard, which
may cause serious injury or death.
WARNING! Do not operate engine without proper and operational spark arrester/muf-
fler. Sparks emitted from the engine exhaust could ignite surrounding materials, caus-
ing serious injury or death.
See the engine manufacturer’s manual for lubricating oil recommendations.
Use #2 or better quality diesel fuel for above freezing starting. Use a #1 quality diesel fuelfor below freezing starting.
Turn the key switch to the on (#1) position.
Turn the key switch to the start (#2) position and release.
SHUTOFF
Turn the key switch to the off (#0) position.

Maintenance
Safety
3
3-1 WM doc 6/27/23 Maintenance
SECTION 3 MAINTENANCE
Refer to the manufacturer’s manual for maintenance intervals and procedures unless otherwise instructed in this manual. Fol-
low 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 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.
3.1 Safety
Use caution when performing maintenance or service to the engine.
DANGER! Take proper protective measures against rotating shafts, pulleys,
fans, etc.
Ensure loose clothing or long hair does not engage rotating members.
DANGER! Do not touch or perform service functions on a hot engine. Allow
the engine to cool sufficiently before beginning any service function. Hot
engine components will cause serious burns.
WARNING! Remove the blade before performing any engine service.
WARNING! Wear eye, hand, and foot protection equipment when performing
service functions.
3.2 Cooling System
Wash the engine or brush off sawdust and debris every 50 hours of operation.
Remove any dust, dirt, or oil.
See engine manual for further instructions.
3.3 Air Filter & Pre-Cleaner
WARNING! Always wear proper and necessary safety equipment when per-
forming service functions. Proper safety equipment includes eye protection,
breathing protection, hand protection and foot protection.
Service the pre-cleaner every four hours of operation by gently shaking excess sawdust and debris from the foam piece.
Clean the air filter (air cleaner element) and pre-cleaner (element wrapper) every eight hours of operation.
Replace the air filter (cleaner) every 200 hours of operation.
Replace the pre-cleaner (element wrapper) every 2000 hours of operation.
See the engine manual for further instructions.

Maintenance
Fuel Filter 3
Maintenance WM doc 6/27/23 3-2
3.4 Fuel Filter
Replace the fuel filter every 100 hours of operation or as required for engine performance.
3.5 RPM Adjustments
WARNING! Remove the blade before performing any engine service. Failure
to do so may result in serious injury.
Check the RPM with a tachometer every 200 hours of operation.
Before checking the RPM, ensure belt and brake strap tensions are correct (See Sawmill Maintenance).
Check oil, fuel, and coolant levels.
Ensure the throttle cable does not affect the engine RPM when the clutch handle is disengaged.
Ensure the cable is not bent or kinked.
3.6 Miscellaneous Maintenance
CAUTION! Do not remove the plug wire to check for electrical spark. Damage
to the ignition circuit may result.
Inspect the spark plugs every 100 hours of operation. Remove any deposits and adjust gap if necessary. See engine manual
for further information.
Clean and inspect the spark arresters every 50 hours of operation. Replace if damaged.
Review the manufacturer's manual for maintenance intervals.
Engine High End RPM Low End RPM
D19 3600 1500

Replacement Parts
Fuel Tank
4
4-1 D4920 6/27/23 Replacement Parts
SECTION 4 REPLACEMENT PARTS
4.1 Fuel Tank
LT15 Rev. E8.08+
LT15W Rev. A1.08+
REF PART # DESCRIPTION COMMENTS QTY.
074828 TANK ASSEMBLY, 5 GALLON DIESEL 1
1103802 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
7F05006-101 Bolt, 5/16-18 x 3/4” Hex Head w/Flat&Lock
Washer
4
8F05007-73 Bolt, 3/8-16 x 3” Hex Head Grade 5 2
9F05010-10 Nut, 3/8-16 Hex Nyloc 2
10 F05011-3 Washer, 3/8” Flat SAE 2
R02423-3 Hose, Fuel 5/16" EPA 15G CARB 8 Ft.
R02423-2 Hose, Fuel 1/4" EPA 15G CARB 8 Ft.
103802 Weldment, Fuel Tank Tray 1
P649 Clamp, 7/32in-5/8in Hose 2
P07584 Clamp, 1/2EMT Coated 1
1
2
3
4
5
6
7
8
9
10
150245B

Replacement Parts
Fuel Tank 4
Replacement Parts D4920 6/27/23 4-2
4.2 Fuel Tank
LT15 Rev. E6.05 - E8.07
LT15W Rev. A1.00 -A1.07
REF PART # DESCRIPTION COMMENTS QTY.
A12132 TANK ASSEMBLY, 5 GALLON DIESEL 1
1P12166 Tank, 5 Gallon Fuel Available in assemblies only. 1
2P12172 Pickup, 9" Fuel 2
3061257 Cap, Fuel Tank Diesel 080298AE 1
4015583 Fitting, 1/4” NPT Male Quick Disconnect 1
5015582 Fitting, Female Quick Disconnect Barb 1
6P12175 Fitting, 1/4" NPT Plastic Female Disconnect 1
7P12176 Fitting, 1/4” Barb Plastic Male Disconnect 1
8P649 CLAMP, 7/32”-1/2” HOSE 4
9016338 HOSE, 5/16” FUEL LINE 7 Ft
10 P642 HOSE, 1/4” ID FUEL 9.3 Ft
1
2
2
3
6
7
8
5
10
10
10
10
9
150137-4C
4

Replacement Parts
Engine Assembly
4
4-3 WM doc 6/27/23 Replacement Parts
4.3 Engine Assembly
LT15 Rev. E1.00+
REF PART # DESCRIPTION COMMENTS QTY.
038570 Engine Assembly, LT15 19HP Diesel 1
1049387 Engine, 19HP Deutz Diesel Available in assemblies only. 1
054911 Filter, Air #7700 175 180480 1
054912 Pump, Fuel #7700 6521 180420 1
054913 Filter, Oil #7700 217 52020 1
054914 Starter, Engine #7700 563 180540 1
054915 Shutdown, Engine #7700 674 180470 1
014209 Filter, Fuel 1
2F05015-7 Screw, #10-24 x 1/2” Self-Tapping Screw used instead of P09900
clamp.
1
3038590 Deflector, 1 1/4” ID Exhaust D19 1
4047742 Sheave, 3V5.6 x 2-SH 1
5038432 Bushing, SH x 1 1/8” 1
6S04124 Key, 1/4” x 1 11/16” 1
7049399 Plate, Throttle D19 1
8049406 Cable, LT15/LT28 D19 1
1
2
3
23
4
5
6
7
8
9
10
11
12
13
14
14
15
22
16
16
20
19
17
21
18
150137-1C

Replacement Parts WM doc 6/27/23 4-4
Replacement Parts
Engine Assembly 4
9038584 Fitting, M14x1.5 Male-1/4 NPT Female 1
10 038571 Fitting, 1/4” NPT Male 90 Deg 3/8” NPT Fem 1
11 P10082 Hose, 3/8” NPT x 9 5/8” Rubber 1
12 P04332 Cap, 3/8 Pipe Galvanize 1
13 049389 Plate, Engine Mount D19 Mount Plate 049389 modified
6/06 to provide clearance for
throttle spring. Four Flat Wash-
ers F05011-3 removed to pro-
vide proper engagement of lock
nut on bolt.
1
14 F05007-127 Bolt, 3/8-16 x 1 1/4” Carriage Gr5 8
15 F05011-3 Washer, 3/8” Flat SAE Mount Plate 049389 modified
6/06 to provide clearance for
throttle spring. Four Flat Wash-
ers F05011-3 removed to pro-
vide proper engagement of lock
nut on bolt.
4
16 F05010-10 Nut, 3/8-16 Hex Nylon Lock 8
17 038572 Plate, 1/4” Spacer D19 1
18 038573 Spacer, 13/32” ID x 1 1/4” OD x 1/4” 4
19 038574 Bracket, LT15 D19 Filter Mount 1
20 048237 Support Weldment, Drive Belt 1
21 F05007-118 Bolt, 3/8-16 x 3/4” Hex Head Grade 5 1
22 F05010-19 Nut, 3/8-16 Self-Locking Hex 1
23 047751 Belt, 2/3VFL900 Drive 1
REF PART # DESCRIPTION COMMENTS QTY.

Replacement Parts
Throttle/Clutch Assembly
4
4-5 WM doc 6/27/23 Replacement Parts
4.4 Throttle/Clutch Assembly
REF PART # DESCRIPTION COMMENTS QTY.
1P04211 KNOB, 5/8-11 BALL 1
2016487 HANDLE, LT15 CLUTCH Clutch Handle 016487 modified
Rev. E6.01 to eliminate possible
pinch point with feed rope pulley
with saw head at certain
heights.
1
3062313 HANDLE, LT15 CLUTCH 1
4F05007-68 SCREW, 3/8-16 X 3/8” SOCKET HEAD CUP PT
SET
2
5034815 ACTUATOR WELDMENT, THROTTLE LT15D&G 1
6034818 LINKAGE, THROTTLE LT15D&G 1
7F05005-15 BOLT, 1/4-20 X 1/2” HEX HEAD 1
8F05010-21 NUT, 1/4-20 SWAGED 1
9016486 BUSHING, 5/8” ID X 7/8” OD X 1 1/8” LONG FL
BRONZE
2
10 034612 BLOCK WELDMENT, LINKAGE CLUTCH/BRAKE 1
11 065572 BLOCK WELDMENT, LINKAGE CLUTCH/BRAKE 1
12 F05012-16 PIN, 3/16” X 1 1/4” ROLL 1
034605 LINKAGE ASSEMBLY, W/BEARING 1
13 034604 Link Weldment, Clutch/Brake Available in assemblies only. 1
14 016486 Bushing, 5/8” ID x 7/8” OD x 1 1/8” Long Fl
Bronze
1
15 F05010-35 NUT, 1/2-13 FREE HEX, ZINC 1
1
2
3
4
5
67
8
12
8
910
11
13
14
15
32 33
16
17
17
18
19
20
21 22
23
24 25
26
26
27
28
150137-2E

Replacement Parts WM doc 6/27/23 4-6
Replacement Parts
Throttle/Clutch Assembly 4
16 F05011-9 WASHER, 1/2” SPLIT LOCK 1
17 F05010-31 NUT, 1/2-13 JAM 1
18 034608 PIVOT WELDMENT, CLUTCH/BRAKE 1
19 P737 BUSHING, 1” X 1 1/4” X 3/4” FLG BRONZE 2
065874 BRAKE/CLUTCH ASSEMBLY, LT15 Replaces Brake/Clutch Assem-
bly 034603 to improve durability
(Rev. E7.01). Brake/Clutch
Assembly 034603 (including
Clutch/Brake Arm Weldment
034613) modified 9/10. Spring
mount hardware changed to
provide more freedom of move-
ment and prevent binding point
in spring.
1
20 065873 Arm Weldment, Clutch/Brake LT15 1
21 F05007-124 Bolt, 3/8-16 x 2” Hex Head Gr5 1
22 F05010-10 Nut, 3/8-16 Hex Nylon Lock 1
23 016488 Block, LT15 Brake 2
24 F05004-2 Screw, 10-24 x 1” Socket Head 4
25 F05010-14 Nut, #10-24 Keps 8
26 034602 Idler, 4" O.D. x 3/8” Bore 1
27 F05007-230 Bolt, 3/8-16 x 2-3/4” Hex Head Gr5 Full
Thread
Replaces Brake/Clutch Assem-
bly 034603 to improve durability
(Rev. E7.01). Brake/Clutch
Assembly 034603 (including
Clutch/Brake Arm Weldment
034613) modified 9/10. Spring
mount hardware changed to
provide more freedom of move-
ment and prevent binding point
in spring.
1
28 F05011-3 Washer, 3/8 Flat 2
29 F05010-25 Nut, 3/8-16 Swaged Lock 2
30 034810 Spring, Idler Arm LT15D/E/G 1
31 F05004-282 Screw, 10-24 x 5/8” FSHC 4
32 065872 Plate, Brake Adjustment 2
33 F05011-18 Washer, #10 SAE Flat 4
REF PART # DESCRIPTION COMMENTS QTY.