woodmizer LT15 Mode d’emploi
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
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
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
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
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
3
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.
0
4
8
200
2000
8
150
50
Maintenance
Fuel Filter
3
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
100
50
Maintenance
Drive Belt Adjustment
Maintenance G15G13doc091818 3-3
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
AR
Maintenance
Alternator Belt
3
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
AR
L
L/2 3,0mm
25N
A
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