Woodmizer G15 Guide

G15

Safety, Operation, Maintenance

& Parts Manual

LT25/LT27 rev. D8.01 - E3.05

Safety is our #1 concern! Read and understand

all safety information and instructions before oper-

ating, setting up or maintaining this machine.

January 2004 Form #984

ii G15E97doc013105 Table of Contents

Table of Contents Section-Page

ABOUT THIS MANUAL III

SECTION 1 OPERATION 1-1

1.1 Starting The Engine................................................................................1-1

SECTION 2 MAINTENANCE 2-1

2.1 Safety......................................................................................................2-1

2.2 Cooling System ......................................................................................2-2

2.3 Air Filter & Pre-Cleaner.........................................................................2-3

2.4 Fuel Filter ...............................................................................................2-4

2.5 Battery ....................................................................................................2-5

2.6 RPM Adjustments ..................................................................................2-6

2.7 Miscellaneous Maintenance ...................................................................2-8

SECTION 3 REPLACEMENT PARTS 3-1

3.1 Engine Assembly....................................................................................3-1

3.2 Engine Mount Assembly........................................................................3-3

3.3 Engine Pulley Guards.............................................................................3-4

About This Manual G15E97doc013105 iii

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 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.

ENGINE COMPONENTS

ir Filter

ler

Serial Number/

Engine Type

150077-1

Fuel Tank

Key Switch

Operation

Starting The Engine

1-1 G15E97doc013105 Operation

SECTION 1 OPERATION

1.1 Starting The Engine

Engine Start

DANGER! Always be sure the blade is disengaged and all

persons are out of the path of the blade before starting the

engine. Failure to do so will result in serious injury.

DANGER! Operate your engine/machine only in well venti-

lated areas. The exhaust gases of your engine 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. Close the engine choke by moving the choke lever to the start position.

2. Turn the key switch to the START position and release. Release the key switch to the

RUN position after the engine starts.

3. When the engine starts, slowly open the choke all the way by moving the choke lever to

the off position.

Engine Shutoff

1. Disengage the clutch handle to stop the blade if necessary.

2. Let the engine run for 15 seconds with no load, then turn the key switch to the OFF posi-

tion.

Maintenance

Safety

Maintenance G15E97doc013105 2-1

SECTION 2 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 dif-

ferent time intervals than found in the manufacturer's manu-

als. Refer to the manufacturer's manual for complete

maintenance instructions.

2.1 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 dur-

ing and following operation. Contact with hot engine com-

ponents 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 protec-

tion, hand protection and foot protection.

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.

Maintenance

Cooling System

2-2 G15E97doc013105 Maintenance

2.2 Cooling System

Wash the engine or brush off sawdust and debris every 50 hours of operation. Clean the

grass screen, cooling fins, and external surfaces. Remove any dust, dirt or oil. See

engine manual for further instructions.

Maintenance

Air Filter & Pre-Cleaner

Maintenance G15E97doc013105 2-3

2.3 Air Filter & Pre-Cleaner

WARNING! Always wear proper and necessary safety

equipment when performing service functions. Proper

safety equipment includes eye protection, breathing protec-

tion, hand protection and foot protection.

Service the pre-cleaner every four hours of operation. Service 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. See the engine manual for further instructions.

Replace the air filter (cleaner) every 200 hours of operation.

Replace the pre-cleaner (element wrapper) every 2000 hours of operation.

200

2000

Maintenance

Fuel Filter

2-4 G15E97doc013105 Maintenance

2.4 Fuel Filter

Replace the fuel filter every 100 hours of operation or as required for engine perfor-

mance.

100

Maintenance

Battery

Maintenance G15E97doc013105 2-5

2.5 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 accesso-

ries contain lead and lead compounds, chemicals known to

the State of California to cause cancer and reproductive

harm. Wash hands after handling.

Maintenance

RPM Adjustments

2-6 G15E97doc013105 Maintenance

2.6 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 after the first 20 hours of operation and every 200

hours thereafter.

See Table 2-1.

Before checking the RPM, make sure belt and brake strap tensions are correct (See Saw-

mill Maintenance). Also check oil, fuel, and coolant levels.

Make sure the throttle cable does not affect the engine RPM when the clutch handle is

disengaged. Make sure the cable is not bent or kinked.

1. Start the engine to measure the low-end RPM.

2. Refer to the engine manual to adjust the low-end RPM.

3. Engage the clutch handle to throttle the engine and measure the high-end RPM. The

high-end RPM is factory-set at 3750. Readjust the throttle cable if necessary to increase

or reduce the high-end engine speed.

The engine should start to throttle as soon as you start moving the clutch handle down. If

the engine dies instead, restart the engine and adjust the throttle linkage as far as possi-

ble without affecting low-end RPM. With the engine idling and the clutch disengaged,

loosen the cable bolt and pull the throttle cable up to a point just below where it affects the

low-end RPM. Retighten the cable bolt. NOTE: A properly adjusted throttle will extend the

cable spring 1/4" to 3/8" (6.4 - 9.5 mm) when running and have a slight amount of slack in

the cable when idling.

See Figure 2-1.

Engine High End RPM Low End RPM

TABLE 2-1

200

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