Woodmizer LT15 Leitfaden

G15 Engine

Safety, Operation, Maintenance

& Parts Manual

LT15 rev. A1.01

Safety is our #1 concern! Read and understand

all safety information and instructions before oper-

ating, setting up or maintaining this machine.

Form #698

2 TOCdoc091818

SECTION 1 SAFETY & GENERAL INFORMATION 1-1

1.1 Refueling ...................................................................................................................1-1

1.2 Engine Operation....................................................................................................... 1-1

SECTION 2 OPERATION 2-1

2.1 Starting The Engine................................................................................................... 2-1

SECTION 3 MAINTENANCE 3-1

3.1 Air Filter & Pre-Cleaner............................................................................................ 3-1

3.2 Engine Oil & Filter.................................................................................................... 3-1

3.3 Air Cooling System ................................................................................................... 3-1

3.4 Fuel Filter .................................................................................................................. 3-2

3.5 Miscellaneous Maintenance ...................................................................................... 3-2

3.6 Drive Belt Adjustment............................................................................................... 3-2

3.7 Alternator Belt........................................................................................................... 3-4

3.8 RPM Adjustments ..................................................................................................... 3-6

SECTION 4 REPLACEMENT PARTS 4-1

4.1 How To Use The Parts List ....................................................................................... 4-1

4.2 Sample Assembly ...................................................................................................... 4-1

4.3 Engine Assembly ...................................................................................................... 4-2

4.4 Brake/Belt Tensioner Assembly ............................................................................ 4-4

Safety & General Information

Refueling

Safety & General Information G15G13doc091818 1-1

SECTION 1 SAFETY & GENERAL INFORMATION

IMPORTANT! This manual is provided as a supplement to the equipment

manufacturer’s manuals. This manual takes into account the specific use

of engines on the Wood-Mizer sawmill. Only safety, maintenance, and

operating procedures that are not provided by the manufacturer are sup-

plied in this manual. Refer to the manufacturer's manual before attempting

to operate this equipment.

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 indicates an

imminently hazardous situation which, if not avoided, will result in death or serious injury. WARNING

suggests a potentially hazardous situation which, if not avoided, could result in death or serious injury.

CAUTION refers to potentially hazardous situations which, if not avoided, may result in minor or moder-

ate injury to persons or equipment. Read all safety instructions before operating this equipment and

observe all safety warnings!

1.1 Refueling

WARNING! Store gasoline away from sawdust and other flammable mate-

rials. Failure to do so may result in serious injury.

1.2 Engine Operation

DANGER! Always be sure the blade is disengaged and all persons are out

of the path of the blade before starting the engine or motor. Failure to do

so will result in serious injury.

WARNING! Do not for any reason adjust the engine drive belts or belt sup-

port bracket with the engine running. Doing so may result in serious injury.

WARNING! Remove the blade before performing any engine service. Fail-

ure 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 pro-

tection, breathing protection, hand protection and foot protection.

IMPORTANT! Always dispose of coolant, oil, fuel, oil filters and fuel filters

in a responsible manner and in comformance with local, state and federal

regulations.

Operation

Starting The Engine

2-1 G15G13doc091818 Operation

SECTION 2 OPERATION

2.1 Starting The Engine

Engine Start

WARNING! Do not start the engine when the tensioner lever is in the

ENGAGED (up) position. Always be sure the blade is disengaged and all

persons are away from the sawmill before starting the engine.

1. Set and lock with the pin the tensioner lever in the ENGINE START position (middle possition).

See Figure 2-1.

FIG. 2-1

150215

Operation

Starting The Engine

Operation G15G13doc091818 2-2

2. Close the engine choke by moving the choke lever to the START position.

See Figure 2-2.

3. Turn the key to the START position.

See Figure 2-3.

FIG. 2-2

FIG. 2-3

Operation

Starting The Engine

2-3 G15G13doc091818 Operation

4. When the engine is started, release the tensioner lever to the IDLING position and slowly open the

choke by moving the choke lever to the OFF position.

See Figure 2-4.

5. To engage the blade, press and hold the green button on the control box and push the tensioner lever to

the ENGAGED (up) position.

See Figure 2-5.

Engine Shutoff

1. Disengage the tensioner lever to stop the blade (down position).

2. Let the engine run for 15 seconds without load and then turn the key to the OFF position.

FIG. 2-4

FIG. 2-5

150216

150217

Maintenance

Air Filter & Pre-Cleaner

Maintenance G15G13doc091818 3-1

SECTION 3 MAINTENANCE

IMPORTANT! This manual only provides information about additional pro-

cedures or procedures to be performed at different time intervals than

found in the engine manufacturer's manuals. Refer to the manufacturer's

manual for complete maintenance instructions.

WARNING! Remove the blade before performing any engine service. Fail-

ure to do so may result in serious injury.

This symbol identifies the interval (hours of operation) which each maintenance procedure should be

performed. "AR" signifies maintenance procedures which should be performed as required.

3.1 Air Filter & Pre-Cleaner

WARNING! Always wear proper and necessary safety equipment when

performing service functions. Proper safety equipment includes eye pro-

tection, breathing protection, 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 opera-

tion. 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.

3.2 Engine Oil & Filter

Check the oil level every 8 hours of operation. Add oil as necessary. See the engine manual for oil vis-

cosity and grade recommendations.

IMPORTANT! During initial break-in, change the oil and the oil filter after

the first 50 hours and every 150-200 hours thereafter. Continue to check oil level

every 8 hours of operation and refill as necessary.

NOTE: Engine at factory is filled with 10W/40 Shell Helix HX7, semi-synthetic oil.

3.3 Air 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 instruc-

tions.

200

2000

150

Maintenance

Fuel Filter

3-2 G15G13doc091818 Maintenance

3.4 Fuel Filter

Replace the fuel filter every 100 hours of operation.

3.5 Miscellaneous Maintenance

Inspect the spark plugs every 100 hour of operation. Remove any deposits and adjust gap if necessary.

See engine manual for further information.

3.6 Drive Belt Adjustment

WARNING! Do not for any reason adjust the engine drive belts or belt

support bracket with the engine running. Doing so may result in serious

injury.

Check the drive belt tension after the first 20 hours, and every 50 hours thereafter.

The drive belt tension should be adjusted with the tensioner handle engaged (in the up position), by

moving the engine assembly on the engine mount plate. To make the adjustment, perform the following

steps:

1. Loosen the engine mounting bolts and the jam nuts.

2. Using the adjustment bolts, shown in the figure below, adjust the belt tension to approximately 11 mm

deflection with 7.2 kG of deflection force.

3. Tighten the jam nuts and the engine mounting bolts.

100

Maintenance

Drive Belt Adjustment

Maintenance G15G13doc091818 3-3

See Figure 3-1.

Periodically check all belts for wear. Replace any damaged or worn belts as needed.

FIG. 3-1

Jam Nut

Adjustment

Bolt

Adjustment

Bolt

Engine

Mounting

Bolts

Maintenance

Alternator Belt

3-4 G15G13doc091818 Maintenance

3.7 Alternator Belt

The belt tension should be checked after the first 100 hours of operation, when the battery is not

charging properly or when the alternator belt is squealing. If the battery continues to not charge properly

or the belt continues to squeal after the initial belt adjustment, replace the belt.

1. Release the blade tension and remove the blade from the sawmill if necessary. Turn the key switch to

OFF (0) and remove the key.

2. Remove the drive belt cover and alternator cover.

See Figure 3-2.

3. Use a belt tension gauge to measure the belt tension. Place the gauge on the belt at the midpoint

between the two pulleys. If the belt tension is less than 3.0mm with 25N of deflection (See Fig.3-2),

tighten the belt as described below.

4. Loosen lower mounting bolt.

FIG. 3-2

L/2 3,0mm

25N

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