woodmizer LT70 Super Hydraulic Manual instruction

Wood-Mizer® Sawmill
Safety, Setup, Operation
& Maintenance Manual
LT70 Super Hydraulic rev. A1.00 - A5.11
Safety is our #1 concern! Read and understand
all safety information and instructions before oper-
ating, setting up or maintaining this machine.
January 2015
Form #2063

©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
SECTION 1 INTRODUCTION 1-1
1.1 About This Manual.................................................................................1-1
1.2 Getting Service .......................................................................................1-2
General Contact Information................................................1-2
Wood-Mizer Locations..........................................................1-3
1.3 Specifications .........................................................................................1-4
1.4 Customer and Sawmill Identification.....................................................1-5
1.5 Warranty .................................................................................................1-7
SECTION 2 SAFETY 2-1
2.1 Safety Symbols.......................................................................................2-1
2.2 Safety Instructions..................................................................................2-2
2.3 Electrical Lockout Procedures..............................................................2-12
SECTION 3 SAWMILL SETUP 3-1
3.1 Stationary Sawmill Setup .......................................................................3-1
3.2 Portable Sawmill Setup ..........................................................................3-7
3.3 Replacing The Blade ............................................................................3-13
3.4 Tensioning The Blade...........................................................................3-14
3.5 Tracking The Blade ..............................................................................3-19
3.6 Starting The Engine (or Motor)............................................................3-21
3.7 Board Return ........................................................................................3-22
3.8 Debarker Setup .....................................................................................3-24
SECTION 4 SAWMILL OPERATION 4-1
4.1 Hydraulic Control Operation..................................................................4-1
4.2 Loading, Turning And Clamping Logs ..................................................4-7
4.3 Up/Down Operation ...............................................................................4-9
4.4 Blade Guide Arm Operation.................................................................4-10
4.5 Autoclutch Operation ...........................................................................4-11
4.6 Debarker Operation ..............................................................................4-12
4.7 Power Feed Operation ..........................................................................4-13
4.8 Control Operation.................................................................................4-15
Display Overview................................................................4-15
Configuration ...................................................................4-18
Language ...................................................................4-19
Unit of Measure ..................................................................4-20
Engine Type ...................................................................4-21
Head Position Calibration ..................................................4-22
Display Settings...................................................................4-26
Auto Mode Settings .............................................................4-26
Hydraulic Settings...............................................................4-27
Diagnostics ...................................................................4-27
Joystick Configuration ........................................................4-28

Table of Contents Section-Page
iv WMdoc072619 Table of Contents
4.9 Auto-Setting Feature ............................................................................4-32
Mode Selection ...................................................................4-32
Using Auto-Down Mode......................................................4-33
Using Auto-Up Mode ..........................................................4-34
Using Pattern Mode ............................................................4-35
Auto-Mode Settings Menu...................................................4-36
Joystick Auto-Mode Operation ...........................................4-40
4.10 Cutting The Log ...................................................................................4-41
4.11 Edging...................................................................................................4-43
4.12 Optional Cutting Procedure..................................................................4-44
4.13 Water Lube Operation ..........................................................................4-45
4.14 Preparing The Sawmill For Towing.....................................................4-47
SECTION 5 MAINTENANCE 5-1
5.1 Wear Life................................................................................................5-1
5.2 Blade Guides ..........................................................................................5-2
5.3 Sawdust Removal ...................................................................................5-4
5.4 Carriage Track, Wiper & Scraper...........................................................5-5
5.5 Vertical Mast Rails.................................................................................5-7
5.6 Miscellaneous .........................................................................................5-8
5.7 Blade Tensioner......................................................................................5-9
5.8 Blade Wheel Belts ................................................................................5-12
5.9 Drive Belt Adjustment..........................................................................5-13
Adjust belt tension...............................................................5-14
Adjust the drive belt support (Excludes E25, E30, D55) ....5-15
5.10 Brake Adjustment (DC Only)...............................................................5-16
5.11 Autoclutch Belt (DC Only) ..................................................................5-17
5.12 Hydraulic System .................................................................................5-18
5.13 Power Feed ...........................................................................................5-19
5.14 Charging The Battery (DC Only) .........................................................5-21
5.15 Maintenance Chart................................................................................5-23
5.15 MAINTENANCE LOG 5-23
SECTION 6 TROUBLESHOOTING GUIDE 6-1
6.1 Sawing Problems....................................................................................6-1
6.2 Engine/Motor and Drive Pulleys Alignment..........................................6-3
6.3 System Diagnosis ...................................................................................6-4
6.4 Diagnostics ...........................................................................................6-13

Table of Contents Section-Page
Table of Contents WMdoc072619 v
SECTION 7 SAWMILL ALIGNMENT 7-1
7.1 Routine Alignment Procedure ................................................................7-1
Blade Installation..................................................................7-1
Saw Head Tilt .....................................................................7-2
Blade Guide Arm Alignment .................................................7-3
Blade Guide Vertical Tilt Alignment.....................................7-8
Blade Guide Horizontal Tilt Adjustment.............................7-10
Blade Guide Flange Spacing ..............................................7-11
Manual Side Support Alignment .........................................7-12
Hydraulic Side Support Alignment .....................................7-15
7.2 Complete Alignment Procedure ...........................................................7-16
Frame Setup ...................................................................7-16
Blade Installation................................................................7-16
Blade Wheel Alignment.......................................................7-17
Track Roller Adjustment .....................................................7-21
Bed Rail Adjustment............................................................7-23
Blade Guide Installation .....................................................7-25
Blade Guide Arm Alignment ...............................................7-26
Blade Guide Deflection.......................................................7-30
Blade Guide Vertical Tilt Alignment...................................7-31
Blade Guide Horizontal Tilt Adjustment.............................7-33
Blade Guide Flange Spacing ..............................................7-34
Blade Guide Level...............................................................7-35
Blade Block Adjustment ......................................................7-37
Manual Side Support Alignment .........................................7-39
Hydraulic Side Support Alignment .....................................7-40
Clamp Stop/Stop Bolt Adjustment .......................................7-41
Saw Head Tilt ...................................................................7-42
SECTION 8 HYDRAULIC INFORMATION 8-1
8.1 Hydraulic Schematic ..............................................................................8-1
LT70 Super Rev. A4.08+ .................................................8-1
8.2 Hydraulic Schematic ..............................................................................8-8
LT70 Super Rev. A4.00 - A4.07 .......................................8-8
8.3 Hydraulic Schematic ............................................................................8-15
LT70 Super Rev. A3.01 ..................................................8-15
8.4 Hydraulic Schematic ............................................................................8-22
LT70 Super Rev. A2.00 - A3.00 .....................................8-22
8.5 Hydraulic Schematic ............................................................................8-29
LT70 Super Rev. A1.00 ..................................................8-29
8.6 Hydraulic Components.........................................................................8-36
LT70 Super Rev. A4.08+ ...............................................8-36
8.7 Hydraulic Components.........................................................................8-38
LT70 Super Rev. A4.00 - A4.07 .....................................8-38
8.8 Hydraulic Components.........................................................................8-40
LT70 Super Rev. A3.01 ..................................................8-40
8.9 Hydraulic Components.........................................................................8-42
LT70 Super Rev. A2.00 - A3.00 .....................................8-42
8.10 Hydraulic Components.........................................................................8-44
LT70 Super Rev. A1.00 ..................................................8-44

Table of Contents Section-Page
vi WMdoc072619 Table of Contents
8.11 Hydraulic Hoses ...................................................................................8-46
LT70 Super Rev. A4.08+ ...............................................8-46
8.12 Hydraulic Hoses ...................................................................................8-47
LT70 Super Rev. A4.00 - A4.07 .....................................8-47
8.13 Hydraulic Hoses ...................................................................................8-48
LT70 Super Rev. A3.01 ..................................................8-48
8.14 Hydraulic Hoses ...................................................................................8-50
LT70 Super Rev. A2.00 - A3.00 .....................................8-50
8.15 Hydraulic Hoses ...................................................................................8-52
LT70 Super Rev. A1.00 ..................................................8-52
INDEX I

Introduction
About This Manual
Introduction 60HD-R10doc072619 1-1
1
SECTION 1 INTRODUCTION
1.1 About This Manual
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.
For general information regarding Wood-Mizer and our “Forest to Final Form” products,
please refer to the All Products Catalog in your support package.
*Wood-Mizer® is a registered trademark of Wood-Mizer Products, Inc.
U.S. Patent No. 6,655,429.
600496-1
Trailer Axle
Adjustable Outrigger
Leg (w/Trailer)
Engine Drive Assembly
Control
Station
Hydraulic Log Loader
Side Support
Chain Log Turner
Debarker
Board Return
Table
Pivot End
Rail
Hydraulic Log
Clamp

Introduction
Getting Service
1
1-2 60HD-R10doc072619 Introduction
1.2 Getting Service
Wood-Mizer is committed to providing you with the latest technology, best quality and
strongest customer service available on the market today. We continually evaluate our
customers’ needs to ensure we’re meeting current wood-processing demands. Your
comments and suggestions are welcome.
General Contact Information
Toll free phone numbers are listed below for the continental U.S. and Canada. See the
next page for contact information for more Wood-Mizer locations.
Office Hours: All times are Eastern Standard Time.
Please have your vehicle identification number and your customer number ready when
you call.
Wood-Mizer will accept these methods of payment:
Visa, Mastercard, or Discover
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 the United States or Canada, contact the distribu-
tor for service.
United States Canada
Sales 1-800-553-0182 1-877-866-0667
Service 1-800-525-8100 1-877-866-0667
Website www.woodmizer.com www.woodmizer.ca
E-mail [e-mail] [e-mail]
Monday - Friday Indianapolis Office ONLY
Saturday
Sunday
8 a.m. to 5 p.m. 8 a.m. to 12 p.m. Closed

Introduction
Wood-Mizer Locations
Introduction 60HD-R10doc072619 1-3
1
Wood-Mizer Locations
USA World Headquarters Canadian Headquarters
Serving North & South America, Oceania, East Asia
Wood-Mizer LLC
8180 West 10th Street
Indianapolis, IN 46214
Phone: [phone] or 800.553.0182
Customer Service: 800.525.8100
Fax: [phone]
Email: [e-mail]
Serving Canada
Wood-Mizer Canada
396 County Road 36, Unit B
Lindsay, ON K9V 4R3
Phone: [phone] or 877.357.3373
Fax: [phone]
Email: [e-mail]
Brazilian Headquarters European Headquarters
Serving Brazil
Wood-Mizer do Brasil
Rua Dom Pedro 1, No: 205 Bairro: Sao Jose
Ivoti/RS CEP:93.900-000
Tel: [phone]/ +55 51
3563-4784
Email: [e-mail]
Serving Europe, Africa, West Asia
Wood-Mizer Industries Sp z o.o.
Nagorna 114
62-600 Kolo, Poland
Phone: [phone]
Fax: [phone]
Branches & Authorized Sales Centers
For a complete list of dealers, visit www.woodmizer.com

Introduction
Specifications
1
1-4 60HD-R10doc072619 Introduction
1.3 Specifications
Model: LT70SuperHD Rev. A1.00+
Dimensions: Metric Wide Saw Head Only:
Length: 26'-4" 8.02m 26'-4"
Width: 7'-2" 2.18m 7'-8" (2.33m)
Height (Ground To Mast): 7'-6" 2.28m 7'-6"
Height (Max Head Position): 10'-4" 3.05m 10'-4"
Bed Height (Ground To Bed): 29 1/2" 0.75m 29 1/2"
Blade Length: 184" 4.67m 196" (4.97m)
Weights:
Basic Unit with Trailer(with heaviest power option):
Tongue Weight:
Trailer:
Axle Capacity: 5040 lbs 2286kg
Tire Capacity: 2835 lbs 1285kg
Tire Size: LT225/75/R16E
Cutting Capacity: Wide Saw Head Only:
Length: 20'-2" 6.14m 20'-2"
Diameter: 36" 0.91m 36"
Maximum Log Weight: 4400 lbs 1995kg 4400 lbs
Max Clamp Width (from stop block): 26" 0.66m 26"
Max Throat Width (guide to guide): 28 1/2" 0.72m 34 1/2"
Max Cant Width (outer guide to stop block): 25 5/8 0.65m 31 5/8"
Min. Cut Height: 1" 25.4mm 1"
Max. Cut Height: 35 3/16" 0.9m 35 3/16"
Maximum Throat Depth: 12 3/4" 0.32m 12 3/4"
Power Unit: D55
Manufacturer: Yanmar
Fuel: Diesel
Horsepower Rating*: 55.5
Weight (lbs)*: 395
Cooling System*: water
Noise Level (dba)*: 72
Fuel Consumption(gallon/hour)*: 1
Engine Oil & Type*:
Engine Oil Capacity w/Filter*:
Temperature Range & Oil Grades*:
Coolant Capacity*:
Rates:
Max. Forward (Not Cutting): 200 ft/min
Reverse: 200 ft/min
Hourly Production (Average range w/experienced
operators/average size logs):
940 bd ft/hr
*Manufacturer's Specification