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Wood-mizer LT70HD User Manual

Wood-mizer LT70HD
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Wood-Mizer
®
Sawmill
Safety, Setup, Operation
& Maintenance Manual
LT70HD Remote DCS rev. B7.00
Safety is our #1 concern! Read and understand
all safety information and instructions before oper-
ating, setting up or maintaining this machine.
Form #1708

Table of Contents

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Wood-mizer LT70HD Specifications

General IconGeneral
Blade SpeedVariable
Power OptionsDiesel
Blade Length158 inches (401 cm)
Max Log Diameter36 inches
Max Log Length21' 4" (6.5 m)
Weight5, 500 lbs
Blade Width1.5 inches
Fuel TypeDiesel
Blade Thickness0.045 inches

Summary

Introduction

About This Manual

General overview of the manual's purpose and scope.

Getting Service

Information on how to obtain customer service and support.

Specifications

Technical details and dimensions of the sawmill model.

Customer and Sawmill Identification

Details on identifying the sawmill and owner information.

Warranty

Terms and conditions of the product warranty.

Safety

Safety Symbols

Explanation of safety symbols and signal words used in the manual.

Safety Instructions

Crucial safety guidelines and warnings for operation and maintenance.

Electrical Lockout Procedures

Procedures for safely de-energizing equipment before service.

Sawmill Setup

Stationary Sawmill Setup

Steps for setting up the sawmill in a fixed location.

Portable Sawmill Setup

Instructions for setting up the sawmill when using a trailer.

Replacing The Blade

Procedure for safely changing the sawmill blade.

Tensioning The Blade

How to properly tension the bandsaw blade for optimal performance.

Tracking The Blade

Method for ensuring the blade runs correctly on the wheel.

Starting The Engine (or Motor)

Steps for starting the sawmill's engine or motor.

Board Return

Operation and safety for the automatic board return system.

Debarker Setup

Instructions for installing and aligning the debarker accessory.

Sawmill Operation

Hydraulic Control Operation (DCS)

Overview of the Distributed Control System (DCS) hydraulic controls.

Loading, Turning And Clamping Logs

Procedures for safely loading, turning, and clamping logs.

Up/Down Operation (DCS)

How to operate the up/down system using DCS controls.

Blade Guide Arm Operation (DCS)

Using the DCS to adjust the blade guide arms.

Autoclutch Operation (DCS)

Engaging and disengaging the blade using the autoclutch system.

Power Feed Operation (DCS)

Operating the carriage movement and feed rate controls.

DCS Control Operation

Navigating and configuring the DCS control panel settings.

Auto-Setting Feature

Using automatic modes for blade height adjustments.

Cutting The Log

Step-by-step guide for cutting logs with the sawmill.

Edging

Process for edging boards to achieve desired dimensions.

Optional Cutting Procedure

Alternative methods for maximizing production rates during cutting.

Blade Height Scale

Understanding and using the blade height measurement scales.

Water Lube Operation

How to operate and maintain the water lube system for blade cleaning.

Preparing The Sawmill For Towing

Steps to secure the sawmill for safe transport.

Maintenance

Wear Life

Estimated lifespan of common replacement parts.

Blade Guides

Inspection, adjustment, and maintenance of blade guide assemblies.

Sawdust Removal

Procedures for cleaning sawdust from various parts of the sawmill.

Carriage Track, Wiper & Scraper

Maintenance for the carriage track, wipers, and scrapers.

Vertical Mast Rails

Cleaning and maintenance of the vertical mast rails.

Miscellaneous

Routine maintenance for chains, pivots, and decals.

Blade Tensioner

How to add fluid and maintain the blade tensioner assembly.

Blade Wheel Belts

Checking and replacing blade wheel belts.

Drive Belt Adjustment

Procedures for adjusting and maintaining drive belt tension.

Brake Adjustment (DC Only)

How to adjust and check the brake pads.

Autoclutch Belt (DC Only)

Tightening and inspecting the autoclutch belt.

Hydraulic System

Checking hydraulic fluid, filters, and pump motor brushes.

Up/Down System

Adjusting chain tension and maintaining the up/down motor and gearbox.

Power Feed

Adjusting the power feed chain and checking gearbox oil.

Charging The Battery (DC Only)

Safety precautions and steps for charging the sawmill battery.

Festoon Replacement

Procedure for replacing the festoon assembly.

Maintenance chart

Summary of maintenance tasks and their intervals.

Troubleshooting Guide

Sawing Problems

Common sawing issues and their solutions.

Hydraulic Problems

Troubleshooting common hydraulic system issues.

Hydraulic Pressure Test

Procedure for checking and adjusting hydraulic system pressure.

Engine/Motor and Drive Pulleys Alignment

Steps to align engine, motor, and drive pulleys.

DCS Error Codes

List of DCS error codes and their possible causes/solutions.

Sawmill Alignment

Routine Alignment Procedure

Steps for basic alignment of sawmill components.

Complete Alignment Procedure

Comprehensive procedure for full sawmill alignment.

Hydraulic Information

Hydraulic Schematic

Diagrams illustrating the sawmill's hydraulic system layout.

Hydraulic Layout Diagram

Visual representation of the hydraulic system's component connections.

Hydraulic Components

List of hydraulic components with part numbers and descriptions.

Hydraulic Hoses

Table detailing hydraulic hoses, their lengths, and applications.

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