Central Machinery 67414 User guide

GASOLINE AUGER DRILL
67414
SET UP, OPERATING, AND SERVICING
INSTRUCTIONS
Using an engine indoors CAN KILL YOU IN
MINUTES.
Engine exhaust contains carbon monoxide.
This is a poison you cannot see or smell.
NEVER use inside
a home or garage,
EVEN IF doors and
windows are open.
Only use OUTSIDE
and far away from
windows, doors, and
vents.
Distributed exclusively by Harbor Freight Tools®.
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our website at: http://www.harborfreight.com
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
Copyright©2009 by Harbor Freight Tools®. All rights reserved. No portion of this manual or any artwork
contained herein may be reproduced in any shape or form without the express written consent of
Harbor Freight Tools. Diagrams within this manual may not be drawn proportionally. Due to continuing
improvements, actual product may differ slightly from the product described herein. Tools required for
assembly and service may not be included.
For technical questions or replacement parts, please call 1-800-444-3353.

Page 2 For technical questions, please call 1-800-444-3353. SKU 67414
CONTENTS
IMPORTANT SAFETY
INFORMATION............................3
VIBRATION HAZARD:..................6
BASIC SPECIFICATIONS .............8
UNPACKING..................................8
COMPONENTS AND CONTROLS 8
ASSEMBLY....................................9
FUEL & OIL INSTRUCTIONS......10
CHECKING AND FILLING FUEL.....10
FILL THE GEARBOX .......................10
OPERATING INSTRUCTIONS .... 11
TECHNICAL SPECIFICATIONS.. 14
SERVICING.................................. 14
MAINTENANCE PROCEDURES.....14
DAILY MAINTENANCE...............14
AIR FILTER ELEMENT
MAINTENANCE .......................15
SPARK PLUG MAINTENANCE..15
FUEL FILTER MAINTENANCE ..15
CLEANING, MAINTENANCE, AND
LUBRICATION SCHEDULE..........16
EVERY MONTH (IN DIRTY
ENVIRONMENTS):...................16
EVERY 3 MONTHS OR 50
OPERATION HOURS:..............16
EVERY 6 MONTHS OR 100
OPERATION HOURS:..............16
EVERY 300 OPERATION
HOURS:....................................16
EVERY 3 YEARS: .......................16
STORAGE ........................................16
TROUBLESHOOTING......................17
ENGINE PARTS LIST..................20
ENGINE ASSEMBLY DIAGRAM. 21
AUGER PARTS LIST &
ASSEMBLY DIAGRAM ............. 22
FRAME PARTS LIST &
ASSEMBLY DIAGRAM ............. 23
EMISSION CONTROL SYSTEM
WARRANTY .............................. 24
LIMITED 1 YEAR / 90 DAY
WARRANTY .............................. 26

Page 3For technical questions, please call 1-800-444-3353.SKU 67414
SAVE THIS MANUAL
Keep this manual for the safety
warnings and precautions, assembly,
operating, inspection, maintenance and
cleaning procedures. Write the product’s
serial number in the back of the manual
near the assembly diagram (or month
and year of purchase if product has no
number). Keep this manual and the
receipt in a safe and dry place for future
reference.
IMPORTANT SAFETY
INFORMATION
In this manual, on the labeling,
and all other information
provided with this product:
This is the safety alert
symbol. It is used to alert
you to potential personal
injury hazards. Obey all
safety messages that
follow this symbol to avoid
possible injury or death.
DANGER indicates
a hazardous
situation which, if not
avoided, will result in death or
serious injury.
WARNING
indicates a
hazardous situation which, if
not avoided, could result in
death or serious injury.
CAUTION, used
with the safety
alert symbol, indicates a
hazardous situation which, if
not avoided, could result in
minor or moderate injury.
NOTICE is used to
address practices
not related to personal injury.
CAUTION, without
the safety alert
symbol, is used to address
practices not related to
personal injury.
WARNING! Read all instructions.
Failure to follow all instructions
listed below may result in re,
serious injury and/or DEATH.
The warnings and precautions
discussed in this manual cannot
cover all possible conditions and
situations that may occur. It must
be understood by the operator that
common sense and caution are
factors which cannot be built into
this product, but must be supplied
by the operator.
SAVE THESE INSTRUCTIONS
SET UP PRECAUTIONS
Gasoline fuel and fumes are1.
ammable, and potentially explosive.
Use proper fuel storage and handling
procedures. Do not store fuel or
other ammable materials nearby.
Have multiple ABC class re 2. extinguishers nearby.
Operation of this equipment may3.
create sparks that can start res
around dry vegetation.
A spark arrestor may be required.
The operator should contact
local re agencies for laws or

Page 4 For technical questions, please call 1-800-444-3353. SKU 67414
regulations relating to re prevention
requirements.
Wear ANSI-approved safety goggles,4. heavy-duty work gloves, and dust
mask/respirator during set up.
Use only oil and fuel recommended5.
in the “Specications” section of this
manual.
OPERATING PRECAUTIONS
1. CARBON MONOXIDE
HAZARD
Using an engine indoors
CAN KILL YOU IN
MINUTES.
Engine exhaust contains carbon
monoxide. This is a poison you
cannot see or smell.
NEVER use inside a home or garage,
EVEN IF doors and windows are
open.
Only use OUTSIDE and far away
from windows, doors, and vents.
Do not lock trigger on. Always use2. with both hands on handles.
Buried utility lines may be unmarked;3. contact utility companies before
drilling. Striking utility lines may cause
severe personal injury or death.
To prevent severe personal injury4. or dismemberment from rotating bit:
Stand on at, level, solid surface
and brace against torque during
use. Keep hands and feet away from
auger bit and hole when engine is
running.
Disconnect and insulate spark plug5. wire before maintenance and/or
changing bits.
Never disable safety switches or6. components.
Do not carry between holes with7. engine running.
Carry by handle only; not by bit.8.
Gasoline fumes are explosive. Never9.
smoke or rell with engine running.
Keep bystanders away during use.10.
Keep children away from the11. equipment, especially while it is
operating.
IMPORTANT!12. Your Warranty is
voided if:
You do not operate the Auger Drilla. with the proper 25:1 fuel mix in
its fuel tank. Do not run the Engine
with an improper fuel mix, low or no
fuel mix. Running the Engine with an
improper fuel mix, low or no fuel mix,
will permanently damage the unit.
You do not operate the Augerb. Drill with the proper amount of
SAE 80-90 gear oil in its Gearbox.
Do not run the Auger Drill with low
or no gear oil. Running the Auger
Drill with low or no gear oil will
permanently damage the unit.
Do not leave the equipment13. unattended when it is running. Turn

Page 5For technical questions, please call 1-800-444-3353.SKU 67414
off the equipment (and remove safety
keys, if available) before leaving the
work area.
Wear ANSI-approved safety goggles,14. heavy duty work gloves, and steel-
toed heavy-duty work boots during
setup and use.
Maintain a rm grip on the Auger 15. Drill with both hands and be aware
of the strong start-up torque of the
tool.
Keep your thumb near the Kill16. Switch in the event the Auger Drill
must be turned off immediately.
Do not use the Auger Drill if the17. Auger is dull, bent, or damaged.
Drill with the Engine running at18. full speed. Fully squeeze the Speed
Control Lever to maintain a steady
drilling speed.
Keep the Auger clean and19. undamaged.
Keep all guards and safety devices20. in proper working order and
properly adjusted.
Before starting the Engine, make21. sure the Auger is not contacting
any object.
When shutting off the Engine,22. make sure the Auger has stopped
before setting the tool down.
People with pacemakers should23. consult their physician(s) before
use. Electromagnetic elds in close
proximity to a heart pacemaker
could cause pacemaker interference
or pacemaker failure. Caution is
necessary when near the engine’s
magneto or recoil starter. Engine
should be off during distributor
adjustment.
Use only accessories that are24. recommended by Harbor Freight
Tools for your model. Accessories
that may be suitable for one piece of
equipment may become hazardous
when used on another piece of
equipment.
Do not operate in explosive25. atmospheres, such as in the
presence of ammable liquids, gases,
or dust. Gasoline-powered engines
may ignite the dust or fumes.
Stay alert, watch what you are26. doing and use common sense when
operating this piece of equipment.
Do not use this piece of equipment
while tired or under the inuence of
drugs, alcohol or medication.
Do not overreach. Keep proper27. footing and balance at all times.
This enables better control of the
equipment in unexpected situations.
Dress properly. Do not wear loose28. clothing or jewelry. Keep hair,
clothing and gloves away from
moving parts. Loose clothes, jewelry
or long hair can be caught in moving
parts.
Parts, especially exhaust system29. components, get very hot during use.
Stay clear of hot parts.
Do not cover the engine or equipment30. during operation.
Keep the equipment, engine, and31. surrounding area clean at all times.
Use the equipment, accessories, etc.,32. in accordance with these instructions

Page 6 For technical questions, please call 1-800-444-3353. SKU 67414
and in the manner intended for the
particular type of equipment, taking
into account the working conditions
and the work to be performed. Use
of the equipment for operations
different from those intended could
result in a hazardous situation.
Do not operate the equipment with33. known leaks in the engine’s fuel
system.
This product contains or, when34. used, produces a chemical known
to the State of California to cause
cancer and birth defects or other
reproductive harm. (California Health
& Safety Code § 25249.5, et seq.)
When spills of fuel or oil occur, they35. must be cleaned up immediately.
Dispose of uids and cleaning
materials as per any local, state,
or federal codes and regulations.
Store oil rags in a bottom-ventilated,
covered, metal container.
Before use, check for misalignment36. or binding of moving parts, breakage
of parts, and any other condition
that may affect the equipment’s
operation. If damaged, have the
equipment serviced before using.
Many accidents are caused by poorly
maintained equipment.
Use the correct equipment for the37. application. Do not modify the
equipment and do not use the
equipment for a purpose for which it
is not intended.
Vibration Hazard:
This tool vibrates during use.
Repeated or long-term exposure to
vibration may cause temporary or
permanent physical injury, particularly
to the hands, arms and shoulders. To
reduce the risk of vibration-related
injury:
Anyone using vibrating tools regularly1. or for an extended period should
rst be examined by a doctor and
then have regular medical check-
ups to ensure medical problems are
not being caused or worsened from
use. Pregnant women or people
who have impaired blood circulation
to the hand, past hand injuries,
nervous system disorders, diabetes,
or Raynaud’s Disease should not use
this tool. If you feel any symptoms
related to vibration (such as tingling,
numbness, and white or blue ngers),
seek medical advice as soon as
possible.
Do not smoke during use. Nicotine2. reduces the blood supply to the
hands and ngers, increasing the risk
of vibration-related injury.
Wear suitable gloves to reduce the3. vibration effects on the user.
Use tools with the lowest vibration4. when there is a choice between
different processes.
Include vibration-free periods each5. day of work.
Grip tool as lightly as possible (while6. still keeping safe control of it). Let
the tool do the work.
To reduce vibration, maintain the tool7. as explained in this manual. If any
abnormal vibration occurs, stop use
immediately.

Page 7For technical questions, please call 1-800-444-3353.SKU 67414
SERVICE PRECAUTIONS
Before service, maintenance, or1. cleaning:
Turn the engine switch to itsa. “OFF” position.
Allow the engine to completelyb. cool.
Then, remove the spark plugc. wire(s) from the spark plug(s).
Keep all safety guards in place and2. in proper working order. Safety
guards include mufer, air cleaner,
mechanical guards, and heat shields,
among other guards.
Do not alter or adjust any part of3. the equipment or its engine that
is sealed by the manufacturer
or distributor. Only a qualied
service technician may adjust
parts that may increase or
decrease governed engine speed.
Wear ANSI-approved safety goggles,4. heavy-duty work gloves, and dust
mask/respirator during service.
Maintain labels and nameplates5. on the equipment. These carry
important information. If unreadable
or missing, contact Harbor Freight
Tools for a replacement.
Have the equipment serviced by a6.
qualied repair person using only
identical replacement parts. This
will ensure that the safety of the
equipment is maintained. Do not
attempt any service or maintenance
procedures not explained in this
manual or any procedures that you
are uncertain about your ability to
perform safely or correctly.
Store equipment out of the reach of7. children.
Follow scheduled engine and8. equipment maintenance.
Refueling Precautions:9.
Do not smoke, or allow sparks,a.
ames, or other sources of ignition
around the equipment, especially
when refuelling.
Do not rell the fuel tank while the b. engine is running or hot.
Do not ll fuel tank to the top. Leave c. a little room for the fuel to expand as
needed.
Refuel in a well-ventilated area only.d. SAVE THESE
INSTRUCTIONS.

Page 8 For technical questions, please call 1-800-444-3353. SKU 67414
BASIC SPECIFICATIONS
Engine Rating 1.5 Horsepower
Fuel Type 25:1 - 89+ octane unleaded
gasoline to 2 cycle oil mix
Capacity .26 Gallons
Recommended
Gear Oil SAE 80 - 90 Weight Gear Oil
Maximum Drilling
Depth 1’ 10”
Auger Diameter 4”
Overall Bit Length 30” Long
Drive Shaft 7/8” Diameter x 1-1/2” Long
Accessories Auger Bit, Spark Plug Wrench, Flat-Head
Screwdriver, Hex Keys
Note: Additional specications found in
the TECHNICAL SPECIFICATIONS
chart in this manual.
The emission control system for this
engine is warranted for standards set by
the U.S. Environmental Protection Agency.
For warranty information, refer to the last
pages of this manual.
At high altitudes, the engine’s
carburetor, governor (if so equipped), and
any other parts that control the fuel-air
ratio will need to be adjusted by a qualied
mechanic to allow efcient high-altitude
use and to prevent damage to the engine
and any other devices used with this
product.
UNPACKING
When unpacking, make sure that the
item is intact and undamaged. If any parts
are missing or broken, please call Harbor
Freight Tools at 1-800-444-3353 as soon
as possible.
COMPONENTS AND
CONTROLS
Speed
Control
(10b)
Kill
Switch
(5b)
Auger
(33a)
Choke (76)
Starter Handle (7)
Primer
(95)
Handle (2b)
Fuel Tank (89)
Screwdriver
(40a)
Hex
Wrenches
(37a)
Wrench (38a)
Spark
Plug
Wrench
(39a)
Figure 1

Page 9For technical questions, please call 1-800-444-3353.SKU 67414
ASSEMBLY
Read the ENTIRE IMPORTANT
SAFETY INFORMATION
section at the beginning of this
manual including all text under
subheadings therein before set
up or use of this product.
TO PREVENT
SERIOUS INJURY
FROM ACCIDENTAL
STARTING:
Turn off the engine, wait for
the engine to cool, and
disconnect the spark plug
wire(s) before assembling or
making any adjustments to
the equipment.
TO PREVENT
SERIOUS INJURY:
Operate only with proper
spark arrestor installed.
Operation of this equipment
may create sparks that
can start res around dry
vegetation.
A spark arrestor may be
required.
The operator should contact
local re agencies for laws
or regulations relating to re
prevention requirements.
Note: For additional information regarding
the parts listed in the following pages,
refer to the Assembly Diagram near
the end of this manual.
Figure 1
Auger
(33a)
Transmission
Socket (15a)
Pin (34a)
R-Pin
(35a)
1. Insert the shank of the Auger (33a)
fully upward into the Transmission
Socket (15a).
Secure the Auger in the Transmission2. Socket, using the Pin (34a) and R-Pin
(35a).

Page 10 For technical questions, please call 1-800-444-3353. SKU 67414
FUEL & OIL INSTRUCTIONS
Read the ENTIRE IMPORTANT
SAFETY INFORMATION
section at the beginning of this
manual including all text under
subheadings therein before set
up or use of this product.
Inspect engine and equipment
looking for damaged, loose,
and missing parts before
set up and starting. If any
problems are found, do not use
equipment until xed properly.
Checking and Filling Fuel
WARNING! TO PREVENT
SERIOUS INJURY FROM
FIRE:
Fill the fuel tank in a well-
ventilated area away from ignition
sources. Do not smoke. Do not
attempt to ll the Fuel Tank (89) when
the Engine is running or is hot to the
touch.
IMPORTANT! Your warranty is voided
if you do not operate the Auger
Drill with the proper 25:1 fuel mix
in its Fuel Tank (89). Do not run the
Engine with an improper fuel mix, low
or no fuel mix. Running the Engine
with an improper fuel mix, low or no
fuel mix will permanently damage the
unit.
Check the fuel level before every use.
If needed, add the proper fuel mixture
as follows:
To obtain the proper 25:1 fuel mix,1. combine 25 parts unleaded gasoline
(89+ octane) with 1 part 2-cycle oil
in the provided Fuel Mix Container
(36a). Cover and gently agitate to
thoroughly mix before each fueling.
Refer to the chart below for proper
mix quantities.
FUEL MIX QUANTITIES
Ratio 2 Stroke
Engine Oil Unleaded Gasoline (89+ Octane)
25:1 5.1 Fl. Oz. 1 Gal.
25:1 10.2 Fl. Oz. 2 Gal.
NOTE: Mix only enough fuel for a few
days work. The maximum storage
time of mixed fuel is three months.
Gearbox (8a)
Oil Fill
Plug
(20a)
Fuel
Tank
(89)
Fuel Cap (93)
Figure 2
2. Once the proper fuel mixture is
obtained, remove the Fuel Cap (93).
Fill the Fuel Tank (89) approximately3. 3/4 full with the fuel mixture.
Replace the Fuel Cap.4.
Fill the Gearbox
IMPORTANT! Your warranty
is voided if you do not operate
the Auger Drill with the proper
amount of SAE 80-90 gear oil in its
Gearbox (8a). Do not run the Auger
Drill with low or no gear oil. Running
the unit with low or no gear oil will
permanently damage the unit.
Remove the Oil Fill Plug (20a).1.
Wipe top of Gear Box with a clean2. cloth.

Page 11For technical questions, please call 1-800-444-3353.SKU 67414
Carefully ll (approximately 8-1/2 3. ounces) the Gearbox (8a).
Wipe up any spilled oil.4.
Replace the Oil Fill Plug and tighten5. securely.
NOTE: Do not use dirty, used, or
otherwise contaminated gear oil.
Damage may occur to the internal
mechanisms of the Gearbox (8a).
CAUTION! Do not run the engine with too
little or too much oil. The engine will
be permanently damaged.
OPERATING INSTRUCTIONS
Before starting the engine:
Follow the Set Upa. Instructions to prepare the
equipment.
Inspect the equipment andb. engine.
Fill the engine with thec. proper amount and type of
fuel mixture and gearbox oil.
Read the section that follows.d.
Place the Auger Drill on its side with1. its Auger (33a) resting upon the
ground surface location that is to be
drilled.
Make sure that no debris, clothing,2. or other objects are near the auger
bit. Keep all bystanders away.
Primer
Figure 3
3. Depress the Primer (95) three to four
times.
Choke (76)
Figure 4
4. Set the Choke (76) to the appropriate
position:
Closed (Up) if the Engine is cold.
Open (Down) if the Engine is warm.
Frame (1b)
Starter
Handle (7)
Figure 5
5. Grip the Frame (1b) rmly with your
left hand. Keep all body parts well
away from the bit. Then, with your
right hand, pull rapidly on the Starter
Handle (7) to start the Engine.

Page 12 For technical questions, please call 1-800-444-3353. SKU 67414
Idle Screw
Choke
Figure 6
WARNING! The Auger (33a) should not
turn at idle. If it is turning at idle,
shut off the engine by releasing the
Speed Control (10b) and pressing
the Kill Switch (5b), disconnect the
spark plug, then turn the Idle Screw
of the Carburetor (shown above)
counterclockwise to reduce the idle
RPM, or immediately discontinue
using the Auger Drill and contact a
qualied service technician to make
the adjustment.
Once the Engine is started, open the6. Choke (76).
If the Engine7. does not start, press the
Primer (95) again. Close the Choke
(76) if it is open, and again attempt to
start the Engine.
Figure 7
Speed
Control
(10b)
8. As soon as the Engine is running,
check to make sure the Choke (76)
is open. Squeeze the Speed Control
(10b) briey and let up. The Speed
Control will revert to its original
position, causing the Engine to idle.
Keep your thumb near the Kill
Switch in the event the Auger Drill
must be stopped immediately.
(See Figure 8.)
Figure 8
Kill Switch (5b)
9. To stop the Auger Drill when needed,
release pressure on the Speed
Control (10b). Then, press down on
the Kill Switch (5b).
Stand with a solid stance on stable10. ground. Brace yourself and maintain
a proper grip with both hands on the
Frame (1b) whenever the Engine is
running.

Page 13For technical questions, please call 1-800-444-3353.SKU 67414
Figure 9
Kill
Switch
(5b)
Speed
Control
(10b)
Frame (1b)
Auger (33a)
IMPORTANT
Keep Auger (33a)
vertical when
drilling.
Fuel
Tank
(89)
11. Accelerate the Engine to full throttle
just before starting to drill by
squeezing the Speed Control (10b).
Also, keep the Engine at full throttle
the entire time you are drilling, unless
a problem arises.
Do not attempt to drill at an angle12. .
Keep the Auger (33a) vertical at all
times.
Allow the Auger (33a) to drill for you.13. Exert only light downward pressure.
If you attempt to force the drill,
damage to the Auger Drill and Auger
(33a) can result. Be aware of the
strong twisting forces produced by
the drill during operation.
Release the Speed Control (10b)14. as soon as the drilling is completed,
allowing the Engine to idle.
Note: Avoid running the Auger Drill at full
throttle without a drilling load.
After running the Auger Drill for an15. extended period of time, allow the
Engine to idle for several minutes to
dissipate the heat. This will prevent
some Engine parts (ignition system,
piston rings, carburetor, etc.) from
being damaged by overheating.
Then press the Kill Switch (5b) to turn
off the Engine.
Before storing the Auger Drill, make16. sure to drain all fuel out of the tool’s
Fuel Tank (89). If this is not followed,
old fuel in the Fuel Tank may clog the
Carburetor and prevent the tool from
starting until cleaned out. Then store
the tool in a clean, dry, safe location
out of reach of children and other
unauthorized people.

Page 14 For technical questions, please call 1-800-444-3353. SKU 67414
TECHNICAL
SPECIFICATIONS
Engine Type 1.5 Horsepower / 52cc Single Cylinder
2 stroke / Recoil Start
Bore x Stroke 44 x 34
Compression Ratio 8.2:1
Displacement 52cc
Rotation viewed from PTO
(power takeoff - the output shaft) Clockwise
Fuel Type 25:1 - 89+ octane
unleaded gasoline to 2
cycle oil mix
Capacity .26 Gallons
Recommended Gear
Oil SAE 80-90 Weight Gear Oil
Spark
Plug
Compatible
Types
NGK BPM7A
Bosch WS7F
Champion CJ7Y
Torch L7T
(resistive plugs only)
Gap 0.028~0.031”
Drilling Speed 150 RPM
SERVICING
TO PREVENT
SERIOUS INJURY
FROM ACCIDENTAL
STARTING:
Turn off the engine, wait for
the engine to cool, and
disconnect the spark plug
wire(s) before performing any
inspection, maintenance, or
cleaning procedures.
TO PREVENT
SERIOUS INJURY
FROM EQUIPMENT FAILURE:
Do not use damaged
equipment. If abnormal noise,
vibration, or excess smoking
occurs, have the problem
corrected before further use.
Maintenance Procedures
Many maintenance procedures,
including those not detailed
in this manual, will need to
be performed by a qualied
technician for safety. If you
have any doubts about your
ability to safely service the
equipment or engine, have a
qualied technician service the
equipment instead.
Note: Warranty is void if proper
maintenance and servicing
procedures are not followed.
Daily Maintenance
Before each use:1. Inspect the
general condition of the Auger Drill.
Check for misalignment or binding
of moving parts, cracked or broken
parts, dull or damaged Auger (33a),
and any other condition that may
affect the safe operation of the tool.
An Auger (33a) that is bent or packed2. with dirt and debris can cause
personal injury. Replace a damaged
Auger and keep the Auger clean at all
times.
Check the Air Filter (78) prior to each3. use for excessive dirt and debris
buildup, clean as needed.
Check the gear oil level in the4. Gearbox (8a) prior to each use, and
ll as needed with SAE 80-90 weight
gear oil.
After each use, use a clean cloth and5. mild detergent to clean the exterior
of the engine. Do not use solvents.
Remove the Auger (33a) from the
engine and use a garden hose to

Page 15For technical questions, please call 1-800-444-3353.SKU 67414
wash off any dirt. Do not introduce
liquids into the interior of the engine.
Air Filter Element Maintenance
Wipe off the Air Filter Cover (79).1.
Remove the Head Cover Bolt (81),2. the Air Filter Cover, and the plastic
plate holding the Air Filter in place.
Note the placement of the plastic
plate so the bolt hole in the center is
in alignment for re-assembly.
Remove the air lter element.3.
Wipe Air Cleaner Case (73).4.
Wash the element in warm water and5. mild detergent several times. Rinse.
Squeeze out excess water and allow
it to dry completely. Soak the lter in
lightweight oil briey, then squeeze
out the excess oil.
Install the new lter or the cleaned 6.
lter in reverse order of removal.
Secure the Air Filter Cover before
use.
Spark Plug Maintenance
Disconnect spark plug wire from1. end of plug. Clean out debris from
around spark plug.
Using a spark plug wrench, remove2. the spark plug.
Inspect the spark plug:3. If the electrode is oily, clean it using a
clean, dry rag.
If the electrode has deposits on it,
polish it using emery paper.
If the white insulator is cracked or
chipped, the spark plug needs to be
replaced.
When installing a new spark4. plug, adjust the plug’s gap to the
specication on the Technical
specication chart. Do not pry
against the electrode or the insulator,
the spark plug can be damaged.
Install the new spark plug or the5. cleaned spark plug into the engine.
Gasket-style: Finger-tighten until the
gasket contacts the cylinder head,
then about 1/2-2/3 turn more.
Non-gasket-style: Finger-tighten until
the plug contacts the head, then
about 1/16 turn more.
Apply a small amount of dielectric6. grease (not included) to the insulator
of the spark plug and attach the wire
securely to the spark plug.
Fuel Filter Maintenance
WARNING! TO PREVENT
SERIOUS INJURY FROM
FIRE:
Replace or clean the Fuel Filter
in a well-ventilated area away from
ignition sources. Do not smoke.
Wear protective gear including, ANSI-1. approved safety goggles, NIOSH-
approved dust mask/respirator, and
nitrile gloves.
There is a Fuel Filter (84) hanging2. inside the Fuel Tank and a Filter in
the Fuel Tank Cap Set (94).
To clean, remove them from the tank3.
and ush them with clean gas over
a container to remove any debris.
Replace the cleaned lter or a new
lter in the tank.
Clean up any spilled fuel.4.

Page 16 For technical questions, please call 1-800-444-3353. SKU 67414
Wait for at least one hour before use5. to allow all residual fuel vapors to
dissipate. To prevent FIRE, do not
start the engine while the smell of
fuel hangs in the air.
Cleaning, Maintenance, and
Lubrication Schedule
Note: This maintenance schedule
is intended solely as a general
guide. If performance decreases
or if equipment operates unusually,
check systems immediately. The
maintenance needs of each piece
of equipment will differ depending
on factors such as duty cycle,
temperature, air quality, fuel quality,
and other factors.
Note: These procedures are in addition to
the regular checks and maintenance
explained as part of the regular
operation of the engine and
equipment and Daily Maintenance
procedures.
Every Month (in dirty environments):
Check/clean air lter element.a.
Check/clean Fuel Filter (84) andb. Fuel Cap w/Filter Set (94).
Every 3 Months or 50 Operation Hours:
Clean/replace air lter element.a.
Clean Fuel Filter (84) and Fuel Capb. w/Filter Set (94).
Replace gear oil in Gearbox.c.
Every 6 Months or 100 Operation
Hours:
Clean/replace air lter element.a.
Clean/replace spark plug.b.
Every 300 Operation Hours:
Clean fuel tank and carburetor.a.
Clean carbon build-up fromb. combustion chamber.
Every 3 years:
Replace Fuel Filter (84) and Fuel Cap
w/Filter Set (94).
Storage
Wait for engine to cool, then clean1. engine with clean cloth.
When the equipment is to remain idle2. for longer than 20 days, prepare the
engine for storage as follows:
Empty fuel tank.a.
Clean out area around spark plug.b. Remove spark plug and pour one
tablespoon of engine oil into cylinder
through spark plug hole.
Reinstall spark plug, but leave sparkc. plug wire disconnected.
Gently pull the recoil starter tod. distribute oil in the cylinder. Stop
after one or two revolutions
when you feel the piston start the
compression stroke (when you start
to feel resistance).
Apply a thin coat of rust preventive oil3. to all uncoated metal parts.
Cover and store in a dry, well-4. ventilated area out of reach of
children.

Page 17For technical questions, please call 1-800-444-3353.SKU 67414
Troubleshooting
Engine will not
start
FUEL RELATED:
Low or no fuel in fuel tank or1. improper fuel/2-cycle oil mixture.
Choke not in start position, especially2. with cold engine.
Low quality or deteriorated, old3. gasoline.
Carburetor not primed.4.
Dirty fuel passageways blocking fuel5.
ow.
Carburetor needle stuck. Fuel can be6. smelled in the air.
Too much fuel in chamber. This can7. be caused by the carburetor needle
sticking.
Blocked Fuel Cap Filter (94) or Fuel8. Filter (84).
FUEL RELATED:
Fill fuel tank with proper 25:1 unleaded1. gasoline/2-cycle oil mix.
Close the choke if engine is cold.2. Leave open if the engine is hot.
Use only fresh 25:1 ratio of 89+ octane3. unleaded gasoline with 2-cycle oil
mixture.
Prime carburetor by pressing priming4.
bulb specied number of times (if
equipped).
Clean out passageways using fuel5. additive. Heavy deposits may require
further cleaning.
Gently6. tap side of carburetor oat
chamber with screwdriver handle.
Open the choke. Remove spark plug7. and pull the start handle several times
to air out the chamber. Reinstall spark
plug and close the choke.
Clean/replace Filter (84 or 94)8. components.
IGNITION (SPARK) RELATED:
Spark plug wire not connected1. securely.
Spark plug electrode wet or dirty.2.
Incorrect spark plug gap.3.
Spark plug wire or spark plug broken.4.
Incorrect spark timing or faulty5. ignition system.
IGNITION (SPARK) RELATED:
Connect spark plug wire properly.1.
Clean spark plug.2.
Reset spark plug gap.3.
Replace spark plug wire and/or spark4. plug.
Have qualied technician diagnose/5. repair ignition system.
COMPRESSION RELATED:
Cylinder not lubricated. Problem1. after long storage periods.
Loose or broken spark plug. (Hissing2. noise will occur when trying to start.)
Loose cylinder head or damaged3. head gasket. (Hissing noise will
occur when trying to start.)
COMPRESSION RELATED:
Pour tablespoon of oil into spark plug1. hole. Crank engine a few times and try
to start again.
Tighten spark plug. If that does not2. work, replace spark plug. If problem
persists, it may be a head gasket
problem, see #3.
Tighten head. If that does not remedy3. problem, replace head gasket.
Follow all safety precautions whenever diagnosing or servicing the
equipment or engine.

Page 18 For technical questions, please call 1-800-444-3353. SKU 67414
Problem Possible Causes Probable Solutions
Auger rotates
while engine is
idle
Engine idle Speed set too high. Have a qualied service technician reset
carburetor idle adjustment screw to lower
idle (RPM) speed.
Gearbox feels
exceptionally
hot to the
touch
Low level of gear oil. Immediately turn off Auger Drill. Allow
gearbox to completely cool. Then, ll
gearbox with SAE 80-90 gear oil.
Kill switch
does not turn
off engine
Faulty kill switch. Immediately remove spark plug cap from
spark plug to stop engine. Discontinue
using Auger Drill until the tool is repaired
by a qualied service technician.
Engine runs,
but auger is
not rotating
Speed control not properly used.1.
Speed control cable not properly2. adjusted.
Auger stuck in rocks, roots, etc.3.
Make sure to fully squeeze the speed1. control.
Have a qualied service technician 2. adjust speed control cable.
Remove auger from hole and clear3. hole of obstructions.
Engine misres Spark plug wire loose.1.
Incorrect spark plug gap or damaged2. spark plug.
Defective spark plug wire.3.
Old or low quality gasoline.4.
Incorrect compression.5.
Check wire connections.1.
Re-gap or replace spark plug.2.
Replace spark plug wire.3.
Use only fresh 25:1 ratio of 89+ octane4. unleaded gasoline and 2-cycle oil
mixture.
Diagnose and repair compression.5. (Use Engine will not start:
COMPRESSION RELATED section,
page 17.)
Engine stops
suddenly
Fuel tank empty or full of impure, low1. quality or improper mix of gasoline to
oil ratio.
Defective fuel tank cap creating2.
vacuum, preventing proper fuel ow.
Improper idle speed.3.
Incorrect timing, or clogged4. carburetor.
Fill fuel tank with fresh 25:1 ratio of 89+1. octane unleaded gasoline and 2-cycle
oil mixture.
Test/replace fuel tank cap.2.
Properly adjust idle speed.3.
Have qualied technician diagnose and 4. service engine.
Engine knocks Old or low quality gasoline.1.
Engine overloaded.2.
Incorrect spark timing, deposit3. buildup, worn engine, or other
mechanical problems.
Fill fuel tank with fresh 25:1 ratio of 89+1. octane unleaded gasoline and 2-cycle
oil mixture.
Do not exceed equipment’s load rating.2.
Have qualied technician diagnose and 3. service engine.
Follow all safety precautions whenever diagnosing or servicing the
equipment or engine.

Page 19For technical questions, please call 1-800-444-3353.SKU 67414
Problem Possible Causes Probable Solutions
Engine
backres
Impure or low quality gasoline.1.
Engine too cold.2.
Choke not open after engine warm.3.
Engine not properly adjusted for high4. altitude operation.
Intake valve stuck, choke stuck,5. incorrect timing, clogged carburetor,
or overheated engine.
Fill fuel tank with fresh 25:1 ratio of 89+1. octane unleaded gasoline and 2-cycle
oil mixture.
Use cold weather fuel and oil additives2.
to prevent backring.
Open choke after engine warms up.3.
Qualied technician must adjust engine 4. at altitudes greater than 5,000 feet
above sea level.
Have qualied technician diagnose and 5. service engine.
Follow all safety precautions whenever diagnosing or servicing the
equipment or engine.

Page 20 For technical questions, please call 1-800-444-3353. SKU 67414
ENGINE PARTS LIST
Part Description Qty
1 Set Screw (M5 x 12) 1
2 Gasket 1
3 Reel 1
4 Starter Rope 1
5Spiral Spring 1
6Rewind Starter Assy. 1
7Starter Handle 1
8 Handle Clip 1
9 Screw (M5 x 20) 6
10 Crankcase Gasket 1
11 Nut (M8) 1
12 Startup Claw 1
13 Startup Reed 1
14 Cover 1
15 Outer Snap Ring (4) 1
16 Small Oil Seal 2
17 Crankcase Cover 1
18 Ball Bearing (6201/P5) 2
19 Crankshaft (Complete) 1
20 Woodruff Key (3 x 5 x 13) 1
21 Set Pin (B4 x 10) 2
22 Screw (M5 x 12) 2
23 Crankcase 1
24 Flow Guard 1
25 Set Pin (B4 x 10) 2
26 Support 1
27 Screw (M5 x 30) 4
28 Rotor 1
29 Nut (M8) 1
30 Stator 1
31 Flameout Line 1
32 Screw 1
33 Washer (B) 2
34 Return Spring 1
35 Flexible Piece 2
36 Washer 2
37 Screw 2
38 Fan 1
39 Screw (M5 x 21) 4
40 Wire Clip 1
41 Piston Pin 1
42 Piston Pin Circlip 2
43 Piston 1
44 Piston Pin 1
45 Crankcase Gasket 1
46 Piston Ring 2
47 Cylinder Gasket 1
Part Description Qty
48 Cylinder 1
49 Bolt (M5 x 18) 4
50 Cylinder Cover 1
51 Spark Plug 1
52 Spark Plug Clip Reed 1
53 Spark Plug Cover 1
54 Spark Plug Cap 1
55 Cap Cover 1
56 Top Cover 1
57 Screw (M5 x 20) 1
58 Mufer Insulator 1
59 Mufer 1
60 Socket Head Bolt (M5 x 12) 1
61 Socket Head Bolt (M5 x 12) 1
63 Stud 2
64 Nut (M6) 2
65 Mufer Protection Cover 1
66 Intake Port Gasket 2
67 Intake Port 1
68 Carburetor Gasket 1
69 Carburetor Assy. 1
70 Choke Switch 1
71 Washer 1
72 Nut (M4) 1
73 Air Cleaner Case 1
74 Bolt (M5 x 50) 2
75 Recoil Starter 1
76 Choke 1
77 Self Tapping Bolt (ST4.2 x 12) 1
78 Air Filter 1
79 Air Filter Cover 1
81 Head Cover Bolt 1
82 Gasoline Tank Strut 1
83 Latex Cover 1
84 Fuel Filter 1
85 Fuel Line 1
86 Fuel Line Plug 1
87 Fuel Line 1
88 Bolt (M5 x 20) 2
89 Fuel Tank 1
90 Packing Ring 1
91 Intake Strut 1
92 Intake 1
93 Fuel Cap 1
94 Fuel Tank Cap w/Filter Set 1
95 Primer 1