woodmizer 1996 LT25 Manual instruction

Wood-Mizer® Sawmill
Safety, Setup, Operation
& Maintenance Manual
1996 LT25 rev. B7.00 - C1.01
Safety is our #1 concern! Read and understand all safety
information and instructions before operating, setting up or
maintaining this machine.
September 1996 Form #684

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This manual is to replace or to be used with all previous information received on the
Wood-Mizer®* sawmill. All future mailings will be an addition to or a revision of individual
sections of this manual as we obtain new information.
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.
If You Need To Order Parts...
From the continental U.S., call our toll-free Parts hotline at 1-800-525-8100. Please have
the vehicle identification number and your customer number ready when you call.
Wood-Mizer will accept these methods of payment:
Visa, Mastercard, or Select Purchase
COD
Prepayment
Net 15 (with approved credit)
Be aware that shipping and handling charges may apply. Handling charges are based on
size and quantity of order. In most cases, items will ship on the day they are ordered.
Second Day and Next Day shipping are available at additional cost.
If your sawmill was purchased outside of the United States, contact your distributor for
replacement parts.

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If You Need Service...
From the continental U.S., call us toll-free at 1-800-525-8100. Ask to speak with a Cus-
tomer Service Representative. Please have your vehicle identification number and your
customer number ready when you call. The Service Representative can help you with
questions about alignment of your mill, blade sharpening, or cutting a particular species
of wood. He also can schedule you for a service call.
Office Hours:
All times are Eastern Standard Time. Please remember that Indiana does not go on Day-
light Savings Time in the summer.
Monday - Friday 8 a.m. to 5 p.m.
Saturday 8 a.m. to 12 p.m.
If your sawmill was purchased outside the United States, contact the distributor for ser-
vice.
IMPORTANT! Read the entire Operator's Manual before
operating the sawmill. Take notice of all safety warnings
throughout this manual and those posted on the machine.
Keep this manual with this machine at all times, regardless
of ownership.
*Wood-Mizer®is a registered trademark of Wood-Mizer Products, Inc.

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Your Vehicle Identification Number And
Customer Number
Each Wood-Mizer sawmill has a 17-digit Vehicle Identification Number (VIN). see the fig-
ure at the right for VIN locations. See the chart at the right for VIN description.
Each sawmill is also identified with a model number which includes the base model and
the engine/motor configuration. An ’s’ after the model number indicates the model is
approved for sale in countries that have adopted German "Gerprüfte Sicherheit: (G.S.)
safety standards. The model number is located on the middle blade housing cover. See
the figure at the right for a description of the model number.
When you pick up your mill, you will receive a customer number. Both the VIN and your
customer number expedite our service to you. Please write these numbers below so you
have quick, easy access to them.
VIN: ___________________________
Customer No: ___________________
Model No: ______________________
VEHICLE IDENTIFICATION NUMBER LOCATIONS.

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NOTE: Sawmills manufactured before January, 1997 do not have the repeated revision
level or the minor revision level.
V.I.N. DESCRIPTION.
MODEL NUMBER DESCRIPTION.

Table of Contents Section-Page
Table of Contents 2596doc091809 i
SECTION 1 SAFETY & GENERAL
INFORMATION 1-1
1.1 Blade Handling.......................................................................................................... 1-1
1.2 Sawmill Setup............................................................................................................1-2
1.3 Sawmill Operation.....................................................................................................1-3
1.4 Belt Sizes...................................................................................................................1-5
1.5 Blade Sizes ................................................................................................................1-6
1.6 Cutting Capacity........................................................................................................ 1-7
1.7 Engine/Motor Specifications..................................................................................... 1-8
1.8 Overall Dimensions...................................................................................................1-9
1.9 Components.............................................................................................................1-10
SECTION 2 SETUP & OPERATION 2-1
2.1 Stationary Sawmill Setup.......................................................................................... 2-1
2.2 Portable Sawmill Setup .............................................................................................2-3
2.3 Replacing The Blade .................................................................................................2-7
2.4 Tensioning The Blade................................................................................................2-8
2.5 Tracking The Blade...................................................................................................2-9
2.6 Starting The Engine.................................................................................................2-11
2.7 Loading, Turning, And Clamping Logs.................................................................. 2-12
2.8 Up/Down Operation ................................................................................................2-15
2.9 Blade Guide Arm Operation....................................................................................2-16
2.10 Clutch/Brake Operation...........................................................................................2-17
2.11 Feed Operation ........................................................................................................2-18
2.12 Cutting The Log ......................................................................................................2-20
2.13 Edging......................................................................................................................2-21
2.14 Blade Height Sight Gauge.......................................................................................2-22
2.15 Blade Height Scale..................................................................................................2-23
2.16 Water Lube Operation............................................................................................. 2-26
2.17 Preparing The Sawmill For Towing........................................................................2-27
TOC

Table of Contents Section-Page
ii 2596doc091809 Table of Contents
SECTION 3 MAINTENANCE 3-1
3.1 Wear Life...................................................................................................................3-1
3.2 Blade Guides .............................................................................................................3-2
3.3 Blade Housing...........................................................................................................3-3
3.4 Carriage Track, Wiper & Scrapers............................................................................3-4
3.5 Vertical Mast Rails....................................................................................................3-5
3.6 Miscellaneous Lubrication ........................................................................................3-6
3.7 Blade Tensioner.........................................................................................................3-7
3.8 Blade Wheel Belts.....................................................................................................3-8
3.9 Brake Strap Adjustment ............................................................................................3-9
3.10 Drive Bearing .......................................................................................................... 3-10
3.11 Up/Down System.....................................................................................................3-11
3.12 Feed Rope................................................................................................................3-12
3.13 Miscellaneous Maintenance ....................................................................................3-13
SECTION 4 TROUBLESHOOTING GUIDE 4-1
4.1 Sawing Problems.......................................................................................................4-1
4.2 Engine/Motor and Drive Pulleys Alignment.............................................................4-3
SECTION 5 SAWMILL ALIGNMENT 5-1
5.1 Pre-Alignment Procedures......................................................................................... 5-1
5.2 Frame Setup............................................................................................................... 5-2
5.3 Blade Installation And Alignment.............................................................................5-3
5.4 Saw Head Slide Pad Adjustment...............................................................................5-5
5.5 Adjusting The Lower Track Rollers..........................................................................5-7
5.6 Adjusting Bed Rails To The Blade............................................................................5-9
5.7 Blade Guide Arm Vertical Adjustment...................................................................5-12
5.8 Blade Guide Arm Horizontal Adjustment...............................................................5-13
5.9 Aligning The Blade Guides.....................................................................................5-15
5.10 Blade Deflection......................................................................................................5-16
5.11 Blade Guide Vertical Tilt Adjustment.....................................................................5-17
5.12 Blade Guide Spacing...............................................................................................5-19
5.13 Horizontal Tilt Adjustment......................................................................................5-20
5.14 Horizontal Adjustment Of Side Supports................................................................ 5-21
5.15 Vertical Adjustment Of Side Supports....................................................................5-22
5.16 Clamp Stop Adjustment ..........................................................................................5-23
5.17 Sight Gauge Adjustment..........................................................................................5-24
5.18 Saw Head Tilt..........................................................................................................5-25
5.19 Blade Height Scale Adjustment...............................................................................5-26

Safety & General Information
Blade Handling
Safety & General Information 2596doc091809 1-1
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SECTION 1 SAFETY & GENERAL
INFORMATION
This symbol calls your attention to instructions concerning your personal safety. Be sure
to observe and follow these instructions. This symbol accompanies a signal word. The
word DANGER refers to hazards that can cause death or serious, irreversible personal
injury. The word WARNING suggests a safety hazard that can cause personal injury.
CAUTION refers to hazards that can cause damage to the equipment or property only.
Read all safety instructions before operating this equipment and observe all safety warn-
ings!
Safety instructions are listed in this section by the following operations:
Blade Handling
Sawmill Setup
Sawmill Operation
1.1 Blade Handling
WARNING! Always wear gloves and eye protection when
handling bandsaw blades. Keep all persons away from
area when coiling or carrying a blade.

Safety & General Information
Sawmill Setup
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1.2 Sawmill Setup
WARNING! Put front outrigger down before moving cutting
head from the rest position. Failure to do so may result in
serious injury.
WARNING! Do not set up the mill on ground with more than
a 10 degree incline. If setup on an incline is necessary, put
blocks under one side of the mill or dig out areas for outrig-
ger legs to keep mill level. Setting up the mill on an incline
could cause it to tip over, resulting in serious personal
injury.
WARNING! Chock the trailer wheels to prevent movement
before unhitching it from the towing vehicle. Failure to do so
may result in serious injury or death.
WARNING! Always make sure the trailer is supporting the
sawmill frame when operating a sawmill with adjustable
outriggers. Failure to do so may result in serious injury or
death. The adjustable outriggers are intended to support
the saw frame with assistance from the trailer.
WARNING! The adjustable outriggers supplied with porta-
ble sawmills are not intended for setup on concrete or other
hard surfaces. Long-term use of the adjustable outriggers
on hard surfaces may cause the outriggers to fail, causing
the sawmill to drop. This could result in possible serious
injury or death.
If setting the sawmill up on concrete or other hard surface,
replace the adjustable outrgger legs with stationary legs.

Safety & General Information
Sawmill Operation
Safety & General Information 2596doc091809 1-3
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1.3 Sawmill Operation
DANGER! Never operate or tow the sawmill without all
guards and covers in place and secured.
Be sure the blade housing and pulley covers are in place
and secure. Use the safety retainer pin and cable to fasten
blade housing covers.
DANGER! Always disengage the clutch/brake mechanism
whenever the sawmill is not cutting.
DANGER! Always keep hands away from moving bandsaw
blade.
DANGER! Keep all persons a safe distance away from
work area when operating sawmill or loading and turning
logs.
DANGER! Be sure the power feed switch is in the neutral
position before turning the key switch to the ON or ACC
position. This prevents unwanted carriage movement.
DANGER! Check to be sure the saw head is resting firmly
on the rest pin and mast rail stops and that the safety chain
is secured before towing the sawmill.
WARNING! Always secure the cutting head with a 5/16”
chain before adjusting the up/down chain. The cutting head
may fall, causing severe injury or death.
WARNING! Always wear eye, ear, respiration, and foot
protection when operating the sawmill.
WARNING! Secure all loose clothing and jewelry before
operating the sawmill.
WARNING! Always make sure log is clamped securely
before sawing.
CAUTION! Always be sure that all safety warning decals
are clean and readable. Replace all damaged warning
decals. Contact your local distributor, or call your Customer
Service Representative to order more decals.

Safety & General Information
Sawmill Operation
1
1-4 2596doc091809 Safety & General Information
CAUTION! Be sure the pivot rails, turning arm, clamp, and
toe boards are out of the way before loading a log onto the
bed. Also, be sure the cutting head is moved far enough
forward so the log does not hit it.
CAUTION! It is important that the lower stop bolts are prop-
erly adjusted to secure the carriage on the track rail. Failure
to properly adjust the stop bolts can cause saw head dam-
age, especially during mill transportation.
CAUTION! Do not use the blade guide arm knob to move
the carriage head forward and backward. Damage to the
blade guide arm may result.
IMPORTANT! It is always the owner's responsibility to
comply with all applicable federal, state and local laws,
rules and regulations regarding the ownership, operation
and towing of your Wood-Mizer sawmill. All Wood-Mizer
mill owners are encouraged to become thoroughly familiar
with these applicable laws and comply with them fully while
using or towing the mill.
Always properly dispose of all sawing byproducts, including
sawdust and other debris.

Safety & General Information
Belt Sizes
Safety & General Information 2596doc091809 1-5
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1.4 Belt Sizes
See Table 1-1. Belt sizes for the LT25 are shown.
Description Belt Size Wood-Mizer Part #
Engine Drive Belt (Rev. B7-B8) BX68 P12139
Engine Drive Belt (Rev. B9) BX73 014585
Engine Drive Belt (Rev. C1+) BX72 P09555
Blade Pulley Belts B57 1
1 To insure proper blade tracking, use Goodyear, Dayco Super II, or Browning belts
only.
P04185
TABLE 1-1

Safety & General Information
Blade Sizes
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1.5 Blade Sizes
See Table 1-2. Wood-Mizer TRU•SHARP™ offers three types of blades to provide effi-
cient sawing for all models of sawmills. The engine/motor size of your sawmill and the
type of wood you saw should determine which blade you choose for optimum perfor-
mance.
See The Blade Handbook for blade hook angle, tooth height, and tooth set specifications.
Gas/Diesel
Engine
Size
Recommended Blade For Sawing:
Softwood Hardwood Frozen or Hard-to-Cut Wood
5 hp - 14hp .042 x 7/8 x 1 1/4” .035 x 7/8 x 1 1/4” .045 x 7/8 x 1 1/4” F1
1 TRU•SHARP™ “F” blades use a 9/29 profile (9° hook angle and 29° back angle) and are designed to cut
frozen and/or extremely dense, hard-to-cut wood. Standard TRU•SHARP™ blades use a 10/30 profile.
16hp or
more .045 x 7/8 x 1 1/2” .042 x 7/8 x 1 1/4”
.045 x 7/8 x 1 1/2” 2
2 Customer may choose preferred blade.
.045 x 7/8” x 1 1/4” F 1
Electric
Motor .045 x 7/8 x 1 1/2” .042 x 7/8 x 1 1/4”
.045 x 7/8 x 1 1/2” 2.045 x 7/8 x 1 1/4” F 1
TABLE 1-2

Safety & General Information
Cutting Capacity
Safety & General Information 2596doc091809 1-7
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1.6 Cutting Capacity
See Table 1-3. The log size capacities of the LT25 and LT25L sawmills are listed below.
See Table 1-4. The performance capacity of the LT25 and LT25L sawmills is listed
below. Peak cutting rates are measured in 12” (30 cm) wide red oak and represent the
capability of the sawmill only. Rates based on using Tru-Sharp 1 1/4” x .042 blades.
Max.
Diameter 1
1 Maximum log capacity for a basic mill is 4400 lbs. (1996 Kg).
Max.
Length 1
LT25 32" (81 cm) 16’8" (5.1 m)
LT25L 32" (81 cm) 21’ (6.4 m)
TABLE 1-3
Model Cutting Rate
LT25/LT25L 12 ft./min. (3.6 m/min.)
TABLE 1-4

Safety & General Information
Engine/Motor Specifications
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1.7 Engine/Motor Specifications
The standard engine is an 11HP Briggs and Stratton model number 256422, type 0015.

Safety & General Information
Overall Dimensions
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1.8 Overall Dimensions
See Table 1-5. The overall dimensions of the LT25 and LT25L sawmills are listed below.
Model Length Width Height Weight
LT25 19’ 11" (5.3 m) 6’ 2 1/2" (1.9 m) 7’ 6" (2.3 m) 1600 lbs. (726 Kg)
LT25 w/Trailer 21’ 9" (6.6 m) 6’ 5" (2.0 m) 7’ 6" (2.3 m) 1947 lbs. (883 Kg)
LT25L 24’ 4” (7.4 m) 6’ 2 1/2” (1.9 m) 7’ 6" (2.3 m) 1680 lbs. (762 Kg)
LT25L
w/Trailer 26’ 2” (8.0 m) 6’ 5” (2.0 m) 7’ 6" (2.3 m) 2027 lbs. (919 Kg)
TABLE 1-5

Safety & General Information
Components
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1.9 Components
See Figure 1-1. The major components of the Wood-Mizer LT25 and LT25L are shown
below.
FIG. 1-1

Safety & General Information
Components
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