woodmizer G13 Guida
G13 Engine
Safety, Operation, Maintenance
& Parts Manual
LT15 rev. A.00 - E8.13
Safety is our #1 concern! Read and understand
all safety information and instructions before oper-
ating, setting up or maintaining this machine.
April 2010
Form #884
©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 WMdoc091819 iii
TOC
SECTION 1 ABOUT THIS MANUAL 1-1
SECTION 2 OPERATION 2-1
2.1 Starting The Engine................................................................................2-1
SECTION 3 MAINTENANCE 3-1
3.1 Safety......................................................................................................3-1
3.2 Cooling System ......................................................................................3-2
3.3 Air Filter & Pre-Cleaner.........................................................................3-2
3.4 Fuel Filter ...............................................................................................3-2
3.5 RPM Adjustments ..................................................................................3-2
3.6 Miscellaneous Maintenance ...................................................................3-3
SECTION 4 REPLACEMENT PARTS 4-1
4.1 Engine Assembly....................................................................................4-1
LT15 Rev. E1.00+
4.2 Engine Assembly....................................................................................4-3
LT15 Rev. D4.00 - D7.00
4.3 Engine Assembly....................................................................................4-5
LT15 Rev. A1.00 - D3.00
4.4 Throttle/Clutch Assembly ......................................................................4-7
LT15 G13/G15 Rev. E1.00+
4.5 Throttle/Clutch Assembly ......................................................................4-9
LT15 Rev. D4.00 - D7.00
4.6 Throttle/Clutch Assembly ....................................................................4-11
LT15 Rev. D3.00
4.7 Throttle/Clutch Assembly ....................................................................4-13
LT15 Rev. A1.00 - D2.00
INDEX 1-I
About This Manual
1
1-1 WM doc 9/18/19 About This Manual
SECTION 1 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 manu-
facturer’s manual for instructions and safety precautions before oper-
ating 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.
Operation
Starting The Engine
Operation WM doc 9/18/19 2-1
2
SECTION 2 OPERATION
2.1 Starting The Engine
DANGER! Ensure the blade is disengaged and all persons are out of
the path of the blade before starting. Failure to do so will result in death
or serious injury.
DANGER! Operate your engine only in well ventilated 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. This is a
fire hazard, which may cause serious injury or death.
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.
CAUTION! EPA Compliant Gas Tanks Only: Always relieve all fuel
pressure inside the tank prior to filling or connecting fuel fittings.
Failure to do so may result in fuel spillage.
CAUTION! EPA Compliant Gas Tanks Only: Disconnect the fuel tank
when not in use, or engine flooding or fuel spillage may result.
1. Turn the run/stop switch to the RUN position.
See Figure 2-1.
2. Close the engine choke by moving the choke lever to the start position.
FIG. 2-1 G13
Operation
Starting The Engine
2
2-2 WM doc 9/18/19 Operation
3. Pull the start rope slowly until you feel resistance, then pull the cord quickly to start the
engine. Repeat with the choke opened slightly if necessary.
NOTE: If the engine is hard to start with the throttle in the idle posi-
tion, push the throttle swivel plate down slightly and retry.
4. When the engine starts, slowly open the choke all the way by moving the choke lever to
the off position.
For more information, see the engine manufacturer’s operation manual.
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 push the run/stop switch to STOP.
Maintenance
Safety
Maintenance WM doc 9/18/19 3-1
3
SECTION 3 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 different time intervals
than found in the manufacturer's manuals. Refer to the manufacturer's
manual for complete maintenance instructions.
WARNING! Clean sawdust from all guards, vents, control
boxes, or any area where sawdust may gather after every
shift. Failure to do so may result in fire, causing death or
serious injury.
3.1 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 during and following operation. Con-
tact with hot engine components 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 protection, hand protection and foot protec-
tion.
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.
0
Maintenance
Cooling System
3
3-2 WM doc 9/18/19 Maintenance
3.2 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.
3.3 Air Filter & Pre-Cleaner
WARNING! Always wear proper and necessary safety equipment
when performing service functions. Proper safety equipment includes
eye protection, breathing protection, hand protection and foot protec-
tion.
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.
3.4 Fuel Filter
Replace the fuel filter every 100 hours of operation or as required for engine perfor-
mance.
3.5 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 every 200 hours of operation.
50
4
8
200
2000
100
200
Maintenance
Miscellaneous Maintenance
Maintenance WM doc 9/18/19 3-3
3
See Table 3-1.
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.
3.6 Miscellaneous Maintenance
Inspect the spark plugs every 100 hours of operation. Remove any deposits and adjust
gap if necessary. See engine manual for further information.
Review the manufacturer's engine manual for maintenance intervals.
Engine High End RPM Low End RPM
G13 3750 1800
TABLE 3-1
100
Replacement Parts
Engine Assembly
4
4-1 G1397doc091819 Replacement Parts
G13
SECTION 4 REPLACEMENT PARTS
4.1 Engine Assembly
LT15 Rev. E1.00+
REF DESCRIPTION ( Indicates Parts Available In Assemblies Only) PART # QTY.
Cover, Engine P12393 1
ENGINE ASSEMBLY, 13 HP KOHLER W/CLUTCH 034806 1
1Engine, 13 HP Kohler #PA22519 014809 1
2Filter, Kohler Air #47-083-01 014718 1
1
23
4
5
6
8
7
9
10
11
12
13
14
15
16
17
18
19
20
150145
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