Ardisam EarthQuake 600050 Series User manual
GAS/OIL
RATIO
50:1
Operator's Manual
Original Operating Instructions
Trimmer
Mower
600050 Series
P/N: 14505
ECN: 10252
REV3: 11/26/13
© 2014 Ardisam, Inc.
All Rights Reserved
Get parts online at
www.GetEarthquake.com
INCLUDES MODELS:
600050V
600050B
600050BCE
(Illustrations may not match product)
English: ...................Pages 1-28
Español: ............Páginas 29-56
Français: .............Pages 57-84
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Operator's Manual
Trimmer Mower 600050 Series
INTRODUCTION
Congratulations on your investment in quality. Thank you for purchasing an Earthquake™ String Trimmer. We have worked to ensure
that the string trimmer meets the highest standards for usability and durability. With proper care, your string trimmer will provide
many years of service.
Please read this entire manual before installation and use. Earthquake reserves the right to change, alter or improve the
product and this document at any time without prior notice.
CONTENTS
Registration ........................................................................................................................................................................................................................................2
Warnings and Safety Precautions...........................................................................................................................................................................................3-6
Features ...............................................................................................................................................................................................................................................7
Assembly.........................................................................................................................................................................................................................................8-9
Operation...................................................................................................................................................................................................................................10-11
Maintenance, Service and Storage ...................................................................................................................................................................................12-17
Maintenance ................................................................................................................................................................................................................................12
Servicing and Adjustment .................................................................................................................................................................................................13-16
Storage...........................................................................................................................................................................................................................................17
Troubleshooting ......................................................................................................................................................................................................................17-18
Slope Guide......................................................................................................................................................................................................................................19
Parts Breakdown......................................................................................................................................................................................................................20-23
CE Declaration of Conformity ....................................................................................................................................................................................................24
Warranty ............................................................................................................................................................................................................................................25
This manual may contain information for several models. Read and keep this manual for future reference. This manual contains
important information on SAFETY, ASSEMBLY, OPERATION, AND MAINTENANCE. The owner must be certain that all the product
information is included with the unit. This information includes the MANUAL, the REPLACEMENT PARTS and the WARRANTIES.
This information must be included to make sure state laws and other laws are followed. All persons to whom rent/loan this unit
must have access to and understand this information. This manual should remain with the product even if it is resold.
OWNERSHIP RECORDS
Owner’s Name:
Owner’s Address:
City: State/Province: Zip Code/Postal Code:
Model Number: Serial Number:
Date of Purchase:
Notes:
REGISTRATION, SERVICE AND MAINTENANCE LOG
Record the model number and serial number in the space provided for easy
reference. Warranty is valid only if the completed registration is received by
Earthquake within 30 days of purchase.You can register your warranty online
by visiting www.getearthquake.com. If you do not have a computer, call our
customer service department at (800) 345-6007 Mondays through Fridays
from 8 a.m. to 5 p.m. CST.
model and serial
number location
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Operator's Manual
Trimmer Mower 600050 Series
WARNINGS AND SAFETY PRECAUTIONS
OWNER’S RESPONSIBILITY
Accurate assembly and safe and effective use of the string
trimmer is the owner’s responsibility.
schedule included in this Earthquake operator’s manual.
with all controls and safety precautions.
NOTE: All images shown in this manual of your rolling string
trimmer are of 600050V. The 600050B/600050BCE models
have slight variations.
SPECIAL MESSAGES
Your manual contains special messages to bring attention to
potential safety concerns, machine damage as well as helpful
operating and servicing information. Please read all the
information carefully to avoid injury and machine damage.
NOTE: General information isgiven throughout the manual
that may help the operator in the operation or service of
the machine.
This symbol points out important safety
instructions which if not followed could endanger
your personal safety. Read and follow all
instructions in this manual before attempting to
operate this equipment.
BEFORE OPERATING ENGINE:
Please read this section carefully. Read entire operating and
maintenance instructions AND the entire engine manual which
accompanies this product. Failure to follow instructions could
result in serious injury or death. Operate the string trimmer
according to the safety instructions outlined here and inserted
throughout the text. Anyone who uses this string trimmer must
read the instructions and be familiar with the controls.
This is a motorized string trimmer that cuts long grasses and
weeds. It is pedestrian-controlled, but not self-propelled. It has
a petrol-fuelled internal combustion engine that powers the
cutting head. It shall not be used for any other purpose.
WARNING
WARNING INDICATES A HAZARD WHICH, IF NOT
AVOIDED, COULD RESULT IN DEATH OR SERIOUS
INJURY AND/OR PROPERTY DAMAGE.
CAUTION
CAUTION INDICATES YOU CAN BE HURT OR YOUR
EQUIPMENTDAMAGEDIFTHESAFETYINSTRUCTIONS
THAT FOLLOW THIS SIGNAL WORD ARE NOT OBEYED.
WARNING
CALIFORNIA PROPOSITION 65 WARNING
ENGINE EXHAUST FROM THIS PRODUCT CONTAINS
CHEMICALS KNOWN TO THE STATE OF CALIFORNIA
TO CAUSE CANCER, BIRTH DEFECTS, OR OTHER
REPRODUCTIVE HARM.
WARNING
THIS CUTTING MACHINE IS CAPABLE OF THROWING
OBJECTS.
INTENDED USE / FORESEEABLE MISUSE
WARNING
DEBRIS THROWN FROM THE TRIMMER CAN RESULT
IN FOREIGN OBJECTS BEING THROWN INTO THE
EYES, WHICH CAN CAUSE SEVERE EYE DAMAGE AND
INJURY. ALWAYS WEAR SAFETY GLASSES OR EYE
SHIELDS WHEN OPERATING THE TRIMMER.
IF YOU WEAR EYE GLASSES, PUT A WIDE VISION
SAFETY MASK OVER THEM.
IMPORTANT
INDICATES HELPFUL INFORMATION FOR PROPER
ASSEMBLY, OPERATION, OR MAINTENANCE OF YOUR
EQUIPMENT.
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Operator's Manual
Trimmer Mower 600050 Series
GENERAL SAFETY RULES
and in the manual(s). Be thoroughly familiar with the controls
and the proper use of the trimmer before starting.
decals on this equipment and on any of its attachments or
accessories.
instructions, to operate the trimmer.
used and remove all foreign objects. Your equipment can
propel small objects at high speed causing personal injury
or property damage. Stay away from breakable objects, such
as house windows, automobile, greenhouses, etc.
small children, and pets.
jacket. Also wear long trousers or slacks. Do not wear shorts.
in moving parts.
when operating trimmer to protect your eyes from foreign
objects which can be thrown from the unit.
that will improve footing on slippery surfaces. Leather work
shoes or short boots work well for most people. These will
protect the operator’s ankles and shins from small sticks,
splinters, and other debris.
possibility of being struck by small flying particles, or being
struck by low hanging branches, twigs, or other objects
which may be unnoticed by the operator.
safety protective devices in place.
installation of accessories. Only use accessories approved
by the manufacturer.
influence of alcohol, drugs or other medication which
can cause drowsiness or affect your ability to operate this
machine safely.
footing; keep a firm hold on the handle and walk; never run.
cable. Make sure that the cable is free and that the lever is
not damaged. Also check the cable linkage running to the
carburetor for kinks, loose fittings, and obstructions. Verify
that the control bail is working properly.
walks, or roads. Wait for the cutting lines to stop rotating.
roads.
before cleaning, repairing or inspecting the unit, be sure
the trimmer head and all moving parts have stopped. Let
the engine cool, disconnect the spark plug wire and move
it away from the spark plug.
engine (motor), disconnect the spark plug wire and prevent
it from touching the spark plug. Check immediately for cause.
Vibration is generally a warning of trouble.
Remove the wire from the spark plug. Inspect the trimmer
for damage. If damaged, repair before starting and operating
the trimmer.
running. Remove the wire from the spark plug.
damaged or loose.
Never pick up or carry the trimmer while the engine is
running.
engine powered equipment should be avoided. Take
intermittent breaks and/or wear ear protection from engine
noise as well as heavy work gloves to reduce vibration in the
hands.
machine.
immediately and perform an inspection.
flammable and should be handled with care.When storing
extra fuel be sure that it is in an appropriate container and
away from any fire hazards.
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Operator's Manual
Trimmer Mower 600050 Series
SLOPE OPERATION
Slopes are a major factor related to slip and fall accidents which
can result in severe injury. All slopes require extra caution. If you
feel uneasy on a slope, do not trim it. Do trim across the face of
slopes; never up and down. Do not trim excessively steep slopes
(maximum 15 degrees) or areas where the ground is very rough.
See the “Slope Guide” in the back of this manual to check a slope.
Exercise extreme caution when changing direction on slopes.
Remove objects such as rocks, tree limbs, etc.
Watch for holes, ruts, or bumps.Tall grass can hide obstacles.
Do not trim near drop-offs, ditches, or embankments. The
operator could lose footing or balance.
Do not trim excessively steep slopes.
Do not trim on wet grass. Reduced footing could cause
slipping.
CHILDREN
Tragic accidents can occur if the operator is not alert to the
presence of children. Children are often attracted to the
trimmer and the trimming activity. Never assume that children
will remain where you last saw them.
care of a responsible adult.
Be alert and turn trimmer off if children enter the area.
Before and while moving backwards, look behind and down
for small children.
Never allow children to operate the trimmer.
or other objects that may obscure vision.
SERVICE
flammable and vapors are explosive.
Never remove gas cap or add fuel with the engine running.
Allow engine to cool before refueling. Do not smoke while
refueling.
Fill fuel tank outdoors with extreme care. Never fill fuel tank
indoors or near appliances with pilot lights, heaters, or other
ignition sources. Replace fuel cap securely. If fuel is spilled, do
not start the engine but move product and fuel container from
area. Clean up spilled fuel and allow to evaporate.
Never store the machine or fuel container inside where there
is an open flame (such as a water heater), or other ignition
source.
If the fuel has to be drained, this should be done outdoors.
The drained fuel should be stored in a container specifically
designed for fuel storage or it should be disposed of carefully.
• Engines give off carbon monoxide, an odorless, colorless,
poison gas. Breathing carbon monoxide can cause
nausea, fainting or death. Always start and run engine
outdoors. Do not start or run engine in an enclosed area,
even if doors or windows are open.
Never make adjustments or repairs with the engine (motor)
running. Disconnect the spark plug wire, and keep the wire
away from the plug to prevent accidental starting (remove
the ignition key if equipped with an electric start). Always
wear eye protection when you make adjustments or repairs.
Check the trimmer head and engine mounting bolts at
frequent intervals for proper tightness.
condition. Check mounting hardware on trimmer head every
time you change trimmer line and prior to each use.
Never tamper with safety devices. Check their proper
operation regularly.
When servicing or repairing the trimmer, do not tip the
machine over or up unless specifically instructed to do so
in this manual. Service and repair procedures can be done
with the trimmer in an upright position. Some procedures
will be easier if the machine is lifted on a raised platform or
working surface.
To reduce fire hazard, keep trimmer free of grass, leaves, or
other debris build-up. Clean up oil or fuel spillage. Allow
trimmer to cool before storing.
Stop and inspect the equipment if you strike an object.
Repair, if necessary, before restarting.
Always disconnect spark plug wire before cleaning, repairing,
or adjusting.
Do not change the engine governor setting or over-speed
the engine.
Clean and replace safety and instruction decals as necessary.
To guard against engine over-heating, always have engine
debris filter mounted and clean.
Inspect trimmer before storage.When not in use, disconnect
spark plug lead and store indoors in a dry place locked or
otherwise inaccessible to children.
parts.
Never replace the cutting lines with metal parts.
When storing gasoline or equipment with fuel in the tank,
store away from furnaces, stoves, water heaters or other
appliances that have a pilot light or other ignition source
because they can ignite gasoline vapors.
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Operator's Manual
Trimmer Mower 600050 Series
CONTROL AND OPERATING SYMBOLS
Pictured below are control and operating symbols on the
unit or in this manual. Before you operate your unit, learn and
understand the purpose for each symbol.
FNAMEPLATE DETAILS
Model 600050BCE
2006/42/EC Operator Ear LPA (dBA) 84
2006/42/EC Sound Power Level
LWA (dBA) 102.3
2006/42/EC Hand/Arm Vibration
Max m/s25.4
2006/42/EC Vibration Time Limit EAV= 1h 43mins.
ELV= 6h 52mins.
ARDISAM, INC.
1160 8th Avenue | Cumberland, WI 54829 | USA
Serial No.
Model: 600050BCE Type: Trimmer
Year: 2011 Mass: 30.3 kg
Max. Operating Speed: 3600 rpm
LBLINFO600050BCE
Sound levels tested in accordance with ISO 3744 & ISO 11094-
Grade 2 (Engineering) Method. Readings taken with engine at
full throttle. EAV= Exposure Action Value, ELV= Exposure Limit
Value
SOUND AND VIBRATION LEVELS
SPARE PARTS
Only use approved Earthquake spares.
102.3
LBLNOISE102
A: Warning!
B: Read Owner's Manual Before Operating Machine.
C: Do Not Operate While Others Are Around.
D: Remove Objects that Could Be Thrown By This Machine.
Operate Trimmer Across Slopes.
F: Be Aware of Moving and Rotating Parts.
G: Wear Ear and Eye Protection At All Times.
Stopped and Spark Plug Wire is Disconnected.
I: Direction of Rotating Trimmer Lines.
L: Fire Hazards.
operation of this machine and seek shelter.
N. Team Lift--For your safety, always have at least two people
when lifting this machine.
O. Never Fit Metal Cutting Parts--Do not attach any metal parts
to the cutting head of this machine.
P. Do Not Operate When Children Or Others Are Around.
SAFETY DECALS AND WARNINGS
Pictured below are safety and hazard symbols on the unit
or in this manual. Before you operate your unit, learn and
understand the purpose for each symbol.
A
H
G
DC
BE
LKJ
I
M N OP
Slow Fast Fuel Oil
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Operator's Manual
Trimmer Mower 600050 Series
FEATURES
Read this owner’s manual and safety rules before operating your trimmer. Take time to compare the following illustration with the
trimmer to familiarize yourself with the product and its controls.
Trimmer Head Drive Lever -Engages the rotation of the trimmer
head.
Control Bail - Release to stop the rotation of the trimmer head.
Throttle Control Lever - Controls the speed or stops the engine.
Primer Bulb - Injects fuel directly into the carburetor manifold
for faster starts
Recoil Starter Handle - The engine is equipped with an easy pull
recoil starter.
Shield Edge Guard - Protects the shield by automatically cutting
the line to the correct length.
FIGURE 1: Your new string trimmer
dipstick
handle adjustment cam lever
fuel cap
recoil starter handle
upper handle
control bail
SPECIFICATIONS
debris screen
Trimmer Line Diameter: 0.155 inches
Trimmer Line Length: 21.5 inches
Wheel Diameter: 14"
primer bulb
trimmer head drive lever
(not all models)
trimmer head
(generic representation)
trimmer line
(generic representation)
rubber extension may not
appear on all models
throttle control lever
(some models utilize ON/OFF
switch)
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Operator's Manual
Trimmer Mower 600050 Series
ASSEMBLY
FIGURE 2: Your new trimmer as it is shipped to you.
Illustration is for reference only.
To Remove the Trimmer from the Carton
1. Remove any of the loose parts in packaging, including the
parts bags, from the carton.
2. Remove the packing material positioned around the unit.
3 Cut down all four corners of the carton and lay the side panels
flat.
4. Pull the trimmer out of the carton. SEE FIGURE 2
Contents of Part Bag
Owner’s manual
Engine manual
Warranty card
Replacement trimmer line
L-handle allen wrench
Spark plug wrench (600050V only)
Safety goggles
WARNING
ALWAYS WEAR SAFETY GLASSES OR EYE SHIELDS
WHILE ASSEMBLING THE TRIMMER.
WARNING
BEFORE DOING ANY ASSEMBLY OR MAINTENANCETO
THE TRIMMER, REMOVE THE WIRE FROM THE SPARK
PLUG.
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Operator's Manual
Trimmer Mower 600050 Series
ENGINE PREPARATION
See the engine manufacturer’s instructions for the type of
gasoline and oil to use. Before you use the unit, read the
information on safety, operation, maintenance, and storage.
NOTE: Engine does not contain OIL or GASOLINE.
Fill Crankcase With Oil
1. Remove the oil dipstick.
on dipstick. DO NOT OVERFILL. SEE FIGURE 4
2. Install the oil dipstick and tighten securely.
Fill Fuel Tank With Gasoline
See the engine manufacturer’s instructions for the type of
gasoline to use.
How to Raise the Handle
1. Hold the handle with one hand and loosen both handle
adjustment cams until the ratchet teeth are disengaged. Do
not remove the handle adjustment levers.
2. Raise the handle to the operating position.
3. Stand in the operator’s position behind the trimmer. Put the
handle in a comfortable position. Make sure both sides of
the handle are level.
NOTE: Make sure the cables are not caught between the
upper and lower handle.
4. Tighten the handle adjustment levers. Make sure the handle
pivots are locked in place.
NOTE: The handle height is adjustable. See “How To Adjust
The Height Of The Handle” in the Service and Adjustment
section.
5. To attach the recoil start handle to the rope guide, twist the
rope through the rope guide mounted on the right side of
the handle. SEE FIGURE 3
FIGURE 3: Adjusting the handle bars.
Illustration is for reference only.
handle
rope guide
recoil start
handle
handle pivot
FIGURE 4: Filling the engine with fuel and oil.
WARNING
FOLLOW THE ENGINE MANUFACTURER’S
INSTRUCTIONS FOR THE TYPE OF GASOLINE AND OIL
TO USE.
ALWAYS USE A SAFETY GASOLINE CONTAINER.
DO NOT SMOKE WHEN ADDING GASOLINE TO THE
ENGINE.
WHEN INSIDE AN ENCLOSURE, DO NOT FILL WITH
GASOLINE. BEFORE YOU ADD GASOLINE, STOP
THE ENGINE. LET THE ENGINE COOL FOR SEVERAL
MINUTES.
handle adjustment
cam lever
upper level
lower level
oil dipstick
oil fill area
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Operator's Manual
Trimmer Mower 600050 Series
OPERATION
How to Stop the Trimmer Head
Release the control bail. It will return to its open position and
disengage the trimmer head.
How to Stop the Engine
Move the throttle control lever completely back to the STOP
position or turn ON/OFF switch to OFF position.
How to Use the Trimmer Head Drive Lever (not all models)
1. To engage the trimmer head, hold the control bail against
the handle. Move the trimmer head drive lever forward to
engage the trimmer head. The faster the engine runs, the
faster the trimmer head will rotate. SEE FIGURE 5
2. Once the trimmer head is rotating, push the trimmer
forward to trim. How to Use the Throttle Control (not all models)
1. During normal use, set the throttle control lever in the FAST
position to run the engine at full speed. SEE FIGURE 6
2. Pull the throttle control lever back to decrease engine
speed. Push the throttle control lever forward to increase
engine speed.
3. Tostopthe engine,pullthethrottlecontrol levercompletely
back to the stop position.
How to Use the Primer Bulb
1. Push the primer bulb five times. Wait approximately two
seconds between each push. SEE FIGURE 7
NOTE: Do not use the primer bulb to restart a warm
engine after a short shutdown.
FIGURE 5: Using the trimmer head drive lever
control bail
handle
trimmer head
drive lever
FIGURE 6: Using the throttle control
throttle control
lever
WARNING
THE TRIMMER HEAD WILL CONTINUE TO ROTATE FOR
SEVERAL SECONDS AFTERTHE ENGINE HAS STOPPED.
CAUTION
IMPROPER TREATMENT OF THE STRING TRIMMER
CAN DAMAGE IT AND SHORTEN ITS LIFE.
•DONOTATTEMPTTOCRANKORSTARTTHEENGINE
BEFORE IT HAS BEEN PROPERLY SERVICED WITH
THE RECOMMENDED OIL. THIS MAY RESULT IN AN
ENGINE FAILURE.
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Operator's Manual
Trimmer Mower 600050 Series
How to Start the Engine
NOTE: DO NOT BE ALARMED, your engine will smoke
the first time it is started. It is burning off the protective
coating that is on the internal engine parts.
1. Before each use, remove debris from the debris screen. SEE
FIGURE 1 IN "FEATURES" SECTION. Debris can cause the
engine to overheat. Wipe the debris screen with a cloth or
paper towel.
2. Move the throttle control lever forward to the FAST position
or place ON/OFF switch to ON.
3. To start a cold engine, push the primer bulb five times.
Wait two seconds between each push of the primer bulb.
SEE FIGURE 7
NOTE: Do not use the primer to start a warm engine.
4. Firmly hold the recoil starter handle with your right hand.
5. Pull back sharply on the recoil starter handle. DO NOT
allow the starter rope to snap back. Let the starter
rope slowly rewind as you hold the recoil starter
handle.
TIP: If the engine fails to start after three pulls, push
the primer bulb two times and pull the recoil starter
handle again.
Trimmer Tips
or grass are tall and thick, operate the trimmer at a slower
walking speed.
any grass build up. See the “Maintenance, Service and
Storage”section for details.
line to do the cutting. This is easily done by moving slowly
through very thick or heavy weeds.
to complete the job. If the trimmer lines are worn to less
than half their original length, change to a new trimmer
line. See more on how to replace the trimmer line in the
"Maintenance, Service and Storage" section.
to stand on, do not trim. Do not trim on slopes when the
ground is slippery or wet.Trim across the face of a slope, not
up and down.
surfaces may create premature wear to the height guide.
FIGURE 7: Primer Bulb
WARNING
NEVER LEAVE THE TRIMMER UNATTENDED WHILE
THE ENGINE IS RUNNING. WAIT FOR THE TRIMMER
LINES TO STOP ROTATING.
WARNING
NEVER RUN THE ENGINE INDOORS OR IN A POORLY
VENTILATED AREA. ENGINE EXHAUST CONTAINS
CARBON MONOXIDE, AN ODORLESS AND DEADLY
GAS. KEEP HANDS, FEET, HAIR AND LOOSE CLOTHING
AWAY FROM THE TRIMMER AND ANY MOVING PARTS
ON THE ENGINE. AVOID TOUCHING THE MUFFLER AND
SURROUNDING AREAS. TEMPERATURES MAY EXCEED
150 DEGREES FAHRENHEIT.
WARNING
DEBRIS SUCH AS STICKS, GRAVEL OR ROCKS CAN
BE THROWN WITH SUFFICIENT FORCE TO CAUSE
PERSONAL INJURY OR PROPERTY DAMAGE.
primer bulb
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Operator's Manual
Trimmer Mower 600050 Series
Service Records Before Each Use Every 25 Hours As Noted Service Date
Check engine oil level X
Check trimmer lines X 1
Check trimmer head engagement X
Engine/machine cleaning X 2
Check nuts and bolts X
Check spark plug X
Change engine oil* X
Service air lter* X 3
Lubricate jackshaft assembly X
Lubricate wheel bearings X
Good maintenance is essential for safe, economical and trouble-free operation. It will also help reduce air pollution.
MAINTENANCE, SERVICE, AND STORAGE
Note 1 -When old line is half the original length, replace with new line.
Note 2 - Clean daily if used in extremely dusty or dirty conditions.
Note 3 - Change more often if used in extremely dusty or dirty conditions.
* To service the air filter and change the oil in the 600050V model, you must remove the wheels on the string trimmer.
General Recommendations
The warranty on this trimmer does not cover items that have been subjected to operator abuse or negligence. To receive full value
from the warranty, the operator must maintain the trimmer as instructed in this manual.
Some adjustments must be made periodically to properly maintain your trimmer. All adjustments in the“Service and Adjustments”
section of this manual must be checked at least once each season.
Maintenance Schedule
Maintenance, replacement or repair of the emissions control devices and systems may be performed by any non-road
engine repair establishment or individuals. However, items must be serviced by an authorized dealer to obtain“no charge”
emissions control service.
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Operator's Manual
Trimmer Mower 600050 Series
How to Change Engine Oil
Be sure the engine is not operating and is located on a level
surface before checking or refilling oil. Engine should be warm
for easy removal of oil.
1. Detach spark plug wire and move away from spark plug. If
the engine uses a battery, disconnect at negative terminal.
2. Remove dipstick and carefully tip the engine toward the
dipstick side to empty oil from oil fill area. Empty oil into a
suitable oil container and dispose of oil properly. SEE FIGURE
8
3. Tip engine back onto a level surface and fill with appropriate
oil to the top of the marking on the dipstick (SEE FIGURE 9).
DO NOT OVERFILL. For proper oil capacity, see the engine
manufacturer's instructions.
4. Reinsert dipstick and tighten. SEE FIGURE 9
How to Replace the Trimmer Line on Standard Head
For the best performance, use a heavy gauge (0.155" diameter)
length guide, located on the shield, to make sure the trimmer
line is the correct length.
Do not allow the length of the lines to vary more than one inch.
This is important to make sure the trimmer head is balanced
and does not vibrate.
NOTE: To extend the life of the trimmer line, keep the
trimmer line moist. If not kept moist, the nylon trimmer
line will become dry and brittle. Keep extra trimmer line
in a can of water. The line will then stay flexible and easy
to change. A flexible line will also last much longer.
1. Stop the engine. Wait for all moving parts to stop.
2. Remove the worn trimmer line from the line retainer.
3. First, thread the ends of the new trimmer line through the
outside loops. SEE FIGURE 10
4. Next, take the ends of the line, cross over the line retainer,
and thread the ends through the center hold. SEE FIGURE
11
5. Then, check to make sure that the ends of the line are even.
SEE FIGURE 12
FIGURE 9: Dipstick and oil levels
FIGURE 8: Oil dipstick location
SERVICE AND ADJUSTMENT
FIGURE 12: Check ends of line.FIGURE 11: Threading trimmer line through center
hold.
line
retainer
FIGURE 10: Threading the new trimmer line.
line
retainer trimmer
line
WARNING
BEFORE YOU INSPECT, CLEAN OR SERVICE THE
TRIMMER, STOP THE ENGINE. MAKE SURE THAT ALL
MOVING PARTS HAVE STOPPED. DISCONNECT THE
WIRE FROM THE SPARK PLUG.
cap screws cap screws cap screws
upper level
lower level
dipstick
oil fill area
oil dipstick
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Operator's Manual
Trimmer Mower 600050 Series
FIGURE 6: Trimmer head and trimmer line
TRIMMER HEAD SERVICE AND ADJUSTMENT,
SLIDE-THROUGH VERSION
Trimmer Line on Slide-Through Version
For the best performance, use a heavy gauge (0.155" diameter)
trimmer line. Recommended line cut to proper length can be
obtained through your dealer. If necessary cut the length of the
trimmer line to 15".
Do not allow the length of the lines to vary more than one inch.
This is important to make sure the trimmer head is balanced
and does not vibrate.
NOTE: To extend the life of the trimmer line, keep the
trimmer line moist. If not kept moist, the nylon trimmer line
will become dry and brittle. Keep extra trimmer line in a can
of water. The line will then stay flexible and easy to change.
A flexible line will also last much longer.
How to Replace the Trimmer Line on Slide-Through Version
Familiarize yourself with the trimmer head. (SEE FIGURE 6)
Trimmer head has four small exit holes and four large entrance
holes. Properly loaded trimmer line will have one inch exposed
out the small exit hole and the remaining portion of the line
sticking out of the large entrance hole.
1. Before replacing the trimmer line make sure the engine is
stopped and wait for all moving parts to come to a stop.
2. Remove old line pieces from trimmer head.
NOTE: One inch of trimmer line should be exposed from the
small exit hole. Grab onto this exposed line a pull old line
out of trimmer head through the exit hole. SEE FIGURE 7
3. Install the new trimmer line into the large entrance hole,
making sure to only expose one inch of line out of the exit
hole. SEE FIGURE 8
NOTE: Too little of line exposed on the exit side can make
it difficult to remove old line. Too much line exposed can
cause the line to pull out of the trimmer head.
4. Pull with force on the entrance hole side of the line to
ensure that the line is securely seated in the trimmer head.
NOTE: Trimmer line should only be able to feed in one
direction through the trimmer head. Use of recommended
line is important for proper function.
5. Repeat steps 1-4 for each piece of replacement trimmer
line.
WARNING
BEFORE YOU INSPECT, CLEAN OR SERVICE THE
TRIMMER, STOP THE ENGINE. MAKE SURE THAT ALL
MOVING PARTS HAVE STOPPED. DISCONNECT THE
WIRE FROM THE SPARK PLUG.
FIGURE 8: Insert new trimmer line into entrance hole
entrance hole
exit hole
1" of exposed trimmer
line on exit hole side
remaining trimmer line
on entrance hole side
exit hole
FIGURE 7: Pull old trimmer line out through exit hole
entrance hole
stop with 1" exposed
out exit hole
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Operator's Manual
Trimmer Mower 600050 Series
How to Adjust the Height/Angle of the Handle
height of the handle. SEE FIGURE 14
1. Hold the handle with one hand and open both cam levers
until the ratchet teeth are disengaged. Do not remove the
nuts.
2. Move the handle up or down to the desired position, then
align the ratchet teeth. Make sure both sides of the handle are
level.
3. Tighten (lock) the lever.
How to Set the Height of the Cut (not all models)
The height of the cut can be set from 1-1/2 inches to three (3)
inches. The recommended cutting height for the average yard
is two (2) inches. SEE FIGURE 15
the socket head cap screws shown in the figure below.
NOTE: There are two socket head cap screws.
2. Set the trimmer head at the desired height.
3. Tighten the socket head cap screws.
FIGURE 14: Adjusting the height of the handle. (Lever shown in OPEN
position)
FIGURE 15: Setting the height of your cut.
height of cut
positions
height guide L-handle
wrench
trimmer head
socket head
cap screws
WARNING
BEFORE YOU SET THE HEIGHT OF THE CUT, STOP THE
ENGINE. WAIT FOR ALL MOVING PARTS TO STOP.
ALLOW THE ENGINE TO COOL AND DISCONNECT THE
SPARK PLUG WIRE.
handle
cam
lever
ratchet
teeth
open
locked
To Detach the Tires
To detach the tires, loosen the axle nuts and remove the wheel,
spacer and washer. Reverse instructions to reattach tire. SEE
FIGURE 13
FIGURE 13: Detaching tires. Illustration is for reference only.
axle nut
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Operator's Manual
Trimmer Mower 600050 Series
How to Replace the Drive Belt
To replace the drive belt, the trimmer head and shield must be
removed as explained below. SEE FIGURES 16 AND 17
1. Remove the two fasteners that hold the rear of the shield to
the trimmer housing.
2. Remove the four fasteners that hold the front of the shield
and trimmer head to the trimmer housing.
3. Remove the“V” pulley from the idler bracket.
4. Raise the front of the trimmer housing and remove the drive
belt.
* On some models, it is necessary to loosen the mounting bolt
for the drive pulley to remove the drive belt . Do not bend
the belt guides.
NOTE: Use only OEM replacement belts.
5. To assemble the drive belt, reverse the above steps. Make
sure all fasteners are tight. Make sure the mounting bolt for
the drive pulley is tight.
6. Check the routing of the drive belt. Make sure the drive belt
is inside of all belt guides as shown.
FIGURE 16: Trimmer housing
FIGURE 17: Routing the drive belt
drive belt
shield
trimmer head
drive belt
drive pulley
mounting bolt
belt guide
belt guide
"V" pulley
WARNING
BEFORE YOU REMOVE THE DRIVE BELT, DISCONNECT
THE WIRE FROM THE SPARK PLUG.
IMPORTANT
TEST THE DRIVE SYSTEM. START THE ENGINE AND
MOVE THE THROTTLE CONTROL TO THE FAST
POSITION. ENGAGE AND DISENGAGE THE TRIMMER
HEAD SEVERAL TIMES. WHEN DISENGAGED, MAKE
SURE THE TRIMMER HEAD COMPLETELY STOPS WHEN
RESTING ON THE GROUND. IF THE TRIMMER HEAD
CONTINUES TO ROTATE, TAKE THE TRIMMER TO AN
AUTHORIZED SERVICE CENTER.
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Operator's Manual
Trimmer Mower 600050 Series
STORAGE
When the trimmer is put in storage for thirty days or more,
follow the steps below to make sure the trimmer is in good
condition the following season.
Trimmer:
Completely clean the trimmer
Put the trimmer in a building that has good ventilation.
NOTE: A yearly check-up or tune-up at an authorized service
dealer will ensure that the trimmer will provide maximum
performance for the next season.
Engine:
IMPORTANT NOTE: It is important to prevent gum deposits
from forming in fuel system parts such as the carburetor,
fuel filter, fuel hose, and tank during storage. Also, using
alcohol blended fuels (called gasohol, ethanol or methanol)
can attract moisture which leads to separation and
formation of acids during storage. Acidic gas can damage
the fuel system of an engine while in storage.
1. Drain all gasoline from the fuel tank. Let the engine run until
it is out of gasoline. If you do not want to remove gasoline,
add a fuel stabilizer to any gasoline left in the tank. A fuel
stabilizer will minimize the formation of gum deposits and
acids. If the tank is almost empty, mix the fuel stabilizer
with fresh gasoline in a separate container and add the
mixture to the tank. Always follow the instructions on the
stabilizer container. Run the engine at least ten minutes
after stabilizer is added to allow the mixture to reach the
carburetor.
2. Drain the oil from a warm engine. Fill the engine crankcase
with new oil.
3. Remove the spark plug from the cylinder. Pour one ounce
of oil into the cylinder. Slowly pull the recoil starter handle
so that the oil will protect the cylinder. Install a new spark
plug in the cylinder.
4. Completely clean the trimmer, including dirt and debris
from the cylinder cooling fins and the engine housing.
5. When not in use, disconnect spark plug lead and store in a
well-ventilated area inaccessible to children.
TROUBLESHOOTING & REPAIR
At Earthquake, we build quality and durability into the design
of our products; but no amount of careful design by us, and
careful maintenance by you, can guarantee a repair-free life for
your Earthquake String Trimmer. Most repairs will be minor, and
easily fixed by following the suggestions in the troubleshooting
guide in this section.
The guide will help you pinpoint the causes of common problems
and identify remedies.
For more complicated repairs, you may want to rely on an
parts breakdown is located toward the end of this manual.
We will always be glad to answer any questions you have, or
help you find suitable assistance.To order parts or inquire about
warranty, call or email us using the contact information found
below.
ORDERING REPLACEMENT PARTS
Parts can be obtained from the store where the string trimmer
was purchased or direct from the factory. To order parts visit
www.getearthquake.com or call 1-800-345-6007.
For other general questions, you can e-mail us at info@
getearthquake.com.
Please include the following information with your order:
1) Part numbers
2) Part description
3) Quantity
4) Model number and serial number
WARNING
DO NOT REMOVE GASOLINE WHILE INSIDE A
BUILDING, NEAR A FIRE, OR WHILE YOU SMOKE.
GASOLINE FUMES CAN CAUSE AN EXPLOSION OR A
FIRE.
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Operator's Manual
Trimmer Mower 600050 Series
TROUBLESHOOTING GUIDE
NOTE: Please see the engine manual for a full troubleshooting guide for any engine issues.
Trouble Cause Correction
Engine does not start Spark plug wire disconnected Connect spark plug wire
Engine not primed Prime engine
Defective or incorrectly gapped spark plug Inspect or replace spark plug
Fuel tank empty Add fuel
Dirty carburetor or fuel line Clean carburetor or fuel line
Dirty air filter Replace air filter
Carburetor out of adjustment For carburetor adjustment, take the unit to an
authorized service center
Engine flooded Wait several minutes before starting
Throttle control lever in incorrect position Move throttle lever to FAST or START position
Stale gasoline Drain old gasoline and add fresh gas
Defective throttle control lever or wire Inspect lever and wire. Replace if damaged or defective.
Engine runs poorly Bad spark plug Replace spark plug
Dirty air filter Replace air filter
Carburetor out of adjustment For carburetor adjustment, take the unit to an
authorized service center
Stale gasoline Drain old gasoline and add fresh gas
Engine cooling system clogged Clean debris screen and engine cooling fins
Engine overheats Engine cooling system clogged Clean debris screen and engine cooling fins
Carburetor out of adjustment For carburetor adjustment, take the unit to an
authorized service center
Oil level is low Add oil
Engine will not stop
running
Defective throttle control lever or wire Inspect and replace damaged parts
Throttle not adjusted properly Move throttle to the full OFF position
Poor trimming
performance
Trimmer line length is too short Correct line length is 21.5 inches. When the line is less
than 1/2 of this length, replace the line.
Engine not set at FAST speed Move engine throttle lever to FAST position
Trimmer vibrates Socket head cap screws for the trimmer
head are loose
Tighten socket head cap screws with L-handle wrench
Trimmer line lengths are substantially
different
Adjust trimmer line to approximately equal lengths
Loose nuts or bolts Check all bolts and nuts, including engine bolts
Broken trimmer head Replace broken part
Trimmer head does not
retain line
Trimmer line not properly attached Follow instructions on decal or in the "Maintenance,
Service and Storage" section of the owner's manual
Broken line retainer Replace trimmer head assembly
Trimmer line not correct size
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Operator's Manual
Trimmer Mower 600050 Series
degrees.
A 10 degree slope is a hill that increases in height at
approximately 1.76 feet in 10 feet.
A 15 degree slope is a hill that increases in height at
approximately 2.68 feet in 10 feet.
SLOPE GUIDE
WARNING
USE EXTREME CARE AT ALL TIMES AND AVOID
SUDDEN TURNS OR MANEUVERS. FOLLOW OTHER
INSTRUCTIONS IN THIS MANUAL FOR SAFETY IN
TRIMMING ON SLOPES. OPERATE ATRIMMER ACROSS
THE FACE OF SLOPES, NEVER UP OR DOWN SLOPES.
USE EXTRA CARE WHEN OPERATING ON OR NEAR
SLOPES AND OBSTRUCTIONS.
SIGHT AND HOLD THIS GUIDE LEVEL WITH A VERTICAL TREE, A
CORNER OF A STRCUTURE, A POWER LINE POLE, OR A FENCE.
Operate a trimmer across the face of slopes, never up or
down slopes
10 DEGREES 15 DEGREES
FOLD ALONG DOTTED LINE
15 DEGREES
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Operator's Manual
Trimmer Mower 600050 Series
PARTS BREAKDOWN
Handlebars
8
2
11
7
11
6
14
14 13 12
1
5
9
10
4
16
3
5
9
10
16
4
15
KEY PART # DESCRIPTION QT Y.
1 19942 1
2 19901 GRIP HANDLEBAR FOAM 1
3 19941 1
4 19912 HANDLE PIVOT PLASTIC MOLDING 4
5 19913 CAM LEVER BOLT ASSEMBLY 2
6 19914 THROTTLE CONTROL CABLE 21 MM
TRAVEL
1
6* 17471 ASSY SWITCH ON/OFF 1*
7 60005019 CABLE & LEVER CONTROL LATCHING 1
7* 17527
SECONDARY ENGAGE
1*
8 19943 CONTROL BAIL 1
8* 17528 ACONTROL DIAL WITH CABLE
ATTACHED
1*
9 19911 SCREW M2.9 X 13 PPHAB 8
10 19975 WASHER M3 X 7 X .5 FLAT 8
11 19908 BOLT M6 X 1.0 X 50 PPHMS 2
12 19902 1
13 19939 1
14 W1265V0913 3
15 19910 2
16 19945 BOLT M8 X 1.25 X 20 HHFCS GR8.8 ZN 4
* Not shown in image.
This manual suits for next models
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