John Deere AC1-8GH OPERATOR’S MANUAL
Model AC1-8GH, AC1-8GS
AC1-20GH, AC1-20GS,
AC2-8GH, AC2-8GS,
AC2-20GH, AC2-20GS,
AC2-20GHS and AC2-20GSS
AIR COMPRESSORS
CAUTION
RISK OF INJURY! READ ENTIRE MANUAL
BEFORE OPERATING! THIS MANUAL IS AN IMPORTANT
PART OF THE AIR COMPRESSOR AND MUST REMAIN
WITH THIS UNIT WHEN YOU SELL OR RENT IT!
Portable Gasoline Air Compressor Manual 1
TABLE OF CONTENTS
INTRODUCTION ................................................................................................................3
IMPORTANT
INSPECTION ......................................................................................................................3
SAFETY WARNINGS ......................................................................................................
RISK OF EXPLOSION OR FIRE ........................................................................... 4
RISK OF BURSTING .............................................................................................5
RISK TO BREATHING ........................................................................................... 5
RISK OF BURNS ...................................................................................................6
RISK OF FLYING OBJECTS .................................................................................6
RISK FROM MOVING PARTS ..............................................................................6
RISK FROM NEGLIGENCE ..................................................................................7
RISK OF AIR COMPRESSOR DAMAGE ..............................................................7
FEATURES DRAWINGS ..........................................................................................
FEATURES REVIEW .................................................................................................9 & 11
PREPARATION ................................................................................................................
INITIAL SET-UP ................................................................................................... 14
LOCATION ..........................................................................................................14
GASOLINE ENGINE ...........................................................................................14
PRE-START CHECKLIST ...................................................................................14
..................................................................................................................3
4-7
8 & 10
14
OPERATION ....................................................................................................................
START-UP ...........................................................................................................15
SHUTDOWN .......................................................................................................15
MAINTENANCE ...............................................................................................................15
TROUBLESHOOTING ................................................................................................16-17
NOTES .............................................................................................................................18
WARRANTY .....................................................................................................................
15
19
2 Portable Gasoline Air Compressor Manual
INTRODUCTION
Congratulations on the purchase of your new John Deere Air Compressor! You can be assured your John Deere
Air Compressor was constructed with the highest level of precision and accuracy. Each component has been
rigorously tested by technicians to ensure the quality, endurance and performance of this air compressor.
This operator's manual was compiled for your benefit. By reading and following the simple safety, installation
and operation, maintenance and troubleshooting steps described in this manual, you will receive years of
troublefree operation from your new John Deere Air Compressor. The contents of this manual are based on the
latest product information available at the time of publication. John Deere reserves the right to make changes
in price, color, materials equipment, specifications or models at any time without notice.
IMPORTANT!
A "DANGER, WARNING or CAUTION" safety warning will be surrounded by a "SAFETY ALERT BOX".
This box is used to designate and emphasize Safety Warnings that must be followed when operating this
air compressor. Accompanying the safety warnings are "Signal Words" which designate the degree or
level of hazard seriousness. The "Signal Words" used in this manual are as follows:
DANGER: Indicates an imminently hazardous situation which, if not avoided,
WILL result in
WARNING: Indicates a potentially hazardous situation which, if not avoided,
COULD result in death or serious injury.
CAUTION: Indicates a potentially hazardous situation which, if not avoided
MAY result in minor or moderate injury or damage to the air
compressor.
The symbols set to the left of this paragraph are "Safety Alert Symbols".
These symbols are used to call attention to items or procedures that could be
dangerous to you or other persons using this equipment.
death or serious injury.
ALWAYS PROVIDE A COPY OF THIS MANUAL TO ANYONE USING THIS EQUIPMENT. READ ALL
INSTRUCTIONS IN THIS MANUAL AND ANY INSTRUCTIONS SUPPLIED BY MANUFACTURERS OF
SUPPORTING EQUIPMENT BEFORE OPERATING THIS AIR COMPRESSOR AND ESPECIALLY POINT
OUT THE "SAFETY WARNINGS" TO PREVENT THE POSSIBILITY OF PERSONAL INJURY TO THE
OPERATOR.
Once the unit has been removed from the box, immediately write in the serial number of your unit in the space
provided below:
SERIAL NUMBER_________________________________
Inspect for signs of obvious or concealed freight damge. If damage does exist, file a claim with the transportation
company immecdiately. Be sure that all damaged parts are replaced and that the mechanical and electrical
problems are corrected prior to operation of teh unit. If you require service, contact your customer service.
Mi-T-M Corporation, 8650 Enterprise Drive, Peosta, IA 52068
1-877-JD-KLEEN / (1-877-535-5336) Fax 563-556-1235
Monday - Friday 8:00 a.m. - 5:00 p.m. CST
Please have the following information available for all service calls:
1. Model Number
2. Serial Number
3. Date and Place of Purchase
Portable Gasoline Air Compressor Manual 3
SAFETY WARNINGS
WARNING: WHEN USING THIS PRODUCT, BASIC PRECAUTIONS SHOULD ALWAYS BE OBSERVED, INCLUDING
THE FOLLOWING.
HAZARD
RISK OF
EXPLOSION OR FIRE
READ ALL SAFETY WARNINGS BEFORE USING AIR COMPRESSOR
POTENTIAL CONSEQUENCE PREVENTION
Serious injury or death may occur
from normal sparks in the engine
ignition system or engine exhaust/
muffler.
Always operate air compressor
in a well ventilated area free of
flammable vapors, combustible
dust, gases or other combustible
materials.
DO NOT SMOKE if spraying
flammable material. Locate the
air compressor at least 20 feet
away from the spray area. (An
additional hose may be required.)
Injury or death may occur as a
result of improper fueling.
Do not smoke while filling engine
fuel tank.
Never fill the engine fuel tank
while the engine is running or
hot. Allow the engine to cool two
minutes before refueling.
Do not refuel indoors or in a poorly
ventilated area.
Always refuel slowly to avoid the
possibility of spilled fuel which
may cause a risk of fire.
Do not operate the unit if
gasoline is spilled. Wipe the air
compressor clean and move it
away from the spill. Avoid creating
any ignition until the gasoline has
evaporated.
Do not store the air compressor
near an open flame or any
equipment such as a stove,
furnace, water heater, etc. which
utilizes a pilot light or sparking
device.
A spark arrester must be added
to the muffler of this engine if it is
to be used on any forest covered,
brush covered or grass covered
unimproved land. The arrester
must be maintained in effective
working order by the operator.
Serious injury may occur if any air
compressor ventilation openings
are restricted, causing the air
compressor to overheat and start
a fire.
Never place objects against or on
top of air compressor. Operate
air compressor at least 12 inches
away from any wall or obstruction
that would restrict proper
ventilation.
4 Portable Gasoline Air Compressor Manual
SAFETY WARNINGS
READ ALL SAFETY WARNINGS BEFORE USING AIR COMPRESSOR
HAZARD
RISK OF
BURSTING
POTENTIAL CONSEQUENCE
Serious injury or death may occur
from an air tank explosion if air
tanks are not properly maintained.
Serious injury may occur from
an air compressor malfunction or
exploding accessories if incorrect
system components, attachments
or accessories are used.
PREVENTION
Drain air tank daily or after each
use to prevent moisture buildup in
the air tank.
If air tank develops a leak, replace
the air tank immediately. Never
repair, weld or make modifications
to the air tank or its attachments.
Use only genuine John Deere repair
parts for your air compressor.
Never make adjustments to the
factory set pressures.
Never exceed manufacturers
maximum allowable pressure rating
of attachments.
Because of extreme heat, do not
use plastic pipe or lead tin soldered
joints for a discharge line.
Never use air compressor to inflate
small, low pressure objects such as
toys.
RISK TO
BREATHING
Serious injury or death could occur
from inhaling compressed air. The
air stream may contain carbon
monoxide, toxic vapors or solid
particles.
Serious injury or death may occur
from inhaling engine exhaust.
Sprayed materials such as paint,
paint solvents, paint remover,
insecticides, weed killers, etc.
contain harmful vapors and
poisons.
Never inhale air from the air
compressor either directly or from
a breathing device connected to
the air compressor.
This air compressor was designed
for outdoor use. Never operate
this air compressor in an enclosed
area. Always make certain there
is adequate ventilation (fresh
outside air) for breathing and
combustion. This will prevent
the buildup of dangerous carbon
monoxide gases. Beware of
poorly ventilated areas, or areas
with inadequate exhaust fans.
Operate air compressor only in
a well ventilated area. Follow all
safety instructions provided with
the materials you are spraying.
Use of a respirator may be
required when working with some
materials.
Portable Gasoline Air Compressor Manual 5
READ ALL SAFETY WARNINGS BEFORE USING AIR COMPRESSOR
HAZARD
RISK
OF BURNS
SAFETY WARNINGS
POTENTIAL CONSEQUENCE
Serious injury could occur
from touching exposed metal
parts. These areas can remain
hot for some time after the air
compressor is shutdown.
PREVENTION
Never allow any part of your body
or other materials to make contact
with any exposed metal parts on
the air compressor.
Never allow any part of your body
to contact the engine muffler or
adjacent areas.
RISK
OF FLYING OBJECTS
Soft tissue damage can occur
from the compressed air stream.
Serious injury can occur from
loose debris being propelled at a
high speed from the compressed
air stream.
Always wear safety glasses to
shield the eyes from flying debris.
Never point the air stream at any
part of your body, anyone else or
animals.
Never leave pressurized air in
the air compressor. Shut off air
compressor and relieve pressure
when storing or attempting
maintenance.
Always maintain a safe distance
from people and animals while
operating the air compressor.
Do not move the air compressor
while air tank is under pressure.
Do not attempt to move the air
compressor by pulling on the
hose.
RISK FROM
MOVING PARTS
6 Portable Gasoline Air Compressor Manual
Risk of bodily injury from moving
parts.
Before performing maintenance,
always turn off air compressor.
Bleed pressure from the air hose
and disconnect spark plug wire
to prevent engine from starting
unexpectedly. All repairs to the air
compressor should be made by an
Authorized Service person.
Do not operate without protective
covers/guards. Always turn off
air compressor before removing
any guard. Replace damaged
covers/guards before using the air
compressor.
READ ALL SAFETY WARNINGS BEFORE USING AIR COMPRESSOR
HAZARD
RISK FROM
NEGLIGENCE
SAFETY WARNINGS
POTENTIAL CONSEQUENCE
Risk of injury from negligent use.
PREVENTION
Never allow children or
adolescents to operate this air
compressor!
Stay alert-watch what you are
doing. Do not operate the air
compressor when fatigued or
under the influence of alcohol or
drugs.
Know how to stop the air
compressor. Be thoroughly
familiar with controls.
RISK
OF AIR COMPRESSOR
DAMAGE
Risk of major repair.
Do not operate air compressor
without an air filter.
Do not operate air compressor in a
corrosive environment.
Always operate the air compressor
in a stable, secure position to
prevent air compressor from
falling.
Follow all maintenance
instructions listed in this manual.
! SAVE THESE INSTRUCTIONS !
Portable Gasoline Air Compressor Manual 7
AC1-PH55-08 FEATURE-041205-DLG
GASOLINE AIR COMPRESSOR FEATURES
(SINGLE STAGE)
1. Decal: Danger/Warning/Caution
2. Tank Drain Valves
3. Decal- Warning: Hot
4. Pump Oil Drain
5. Oil Sight Glass
6. Pilot Valve
7. Engine Air Throttle Control
8. Engine Switch
9. Engine
10. Decal- Caution: Risk of Fire
11. Decal- Warning: Hot Surface
12. Pump Discharge Line
13. Beltguard
14. Decal- Warning: Risk of Injury
15. Decal- Warning: Beltguard
16. Air Filter
17. Oil Fill Port
18. Pump
19. Ventilation Openings
20. Pressure Gauge - Tank PSI
21. Pressure Relief Valve
22. Pressure Regulator
23. Pressure Gauge - Outlet PSI
24. Outlet Fitting
AC1-PH55-20M W/THROTTLE CONTROL-041205-DLG
8 Portable Gasoline Air Compressor Manual
EXPLODED VIEW & EXPLANATION OF AIR COMPRESSOR FEATURES
SAFETY RELIEF VALVE: This valve is designed to prevent system failures by re-
lieving pressure from the system when the compressed air reaches a predetermined
level. The valve is preset by the manufacturer and must not be modified in any way.
To verify the valve is working properly, pull on the ring. Air pressure should escape.
When the ring is released, it will reseat.
PILOT VALVE: When the toggle is in the horizontal position, all air from the air com
pressor is vented through the discharge muffler. This gives an easy start feature. For
normal operation, the toggle is in the vertical position.
AIR INTAKE FILTER: This filter is designed to clean air coming into the pump. To
ensure the pump continually receives a clean, cool, dry air supply this filter must always be clean and ventilation opening free from obstructions. Replace filter element
when necessary.
OIL DIPSTICK: The dipstick will register the amount of oil in the pump. Oil level should
be checked on a daily basis to ensure it does not exceed the maximum notch or fall
below the minimum notch on the dipstick. If low, add SAE 30W non-detergent oil.
OIL FILL PORT/VENT: Pour oil into the Oil Fill Port/Vent when required.
OIL SIGHT GLASS: The Oil Sight Glass displays the oil level in the pump. The oil
level should be at the center of the Oil Sight Glass. If low, add SAE 30W non-deter
gent oil.
-
-
AIR COMPRESSOR PUMP: To compress air, the pistons move up and down in the
cylinders. On the downstroke, air is drawn in through the air intake valves while the
exhaust valves remain closed. On the upstroke, air is compressed, the intake valves
close and compressed air is forced out through the exhaust valves, into the discharge
line, through the pilot valve and into the air tank.
AIR TANK PRESSURE GAUGE: The air tank pressure gauge indicates the reserve
air pressure in the air tank (s).
AIR TANK DRAIN VALVE: The drain valve is used to remove moisture from the air
tank(s) after the air compressor is shut off. NEVER attempt to open the drain valve
when more than 10 PSI of air pressure is in the air tank! To open the drain valve,
turn the knob counterclockwise.
OPTIONAL PRESSURE REGULATOR: The air pressure coming from the air tank is
controlled by the regulator knob. Turn the pressure regulation knob clockwise to in
crease discharge pressure, and counterclockwise to decrease discharge pressure.
OPTIONAL OUTLET PRESSURE GAUGE: The outlet pressure gauge indicates the
air pressure available at the outlet side of the regulator. This pressure is controlled
by the regulator and is always less or equal to the air tank pressure.
Portable Gasoline Air Compressor Manual 9
-
GASOLINE AIR COMPRESSOR FEATURES
(TWO STAGE)
AS2-PH08-PR09-PV09-08 FEATURES-012704-DLG
AC2-PH08-PV09-20-FEATURE-012704-DLG AC2-PH08-PV09-FEATURES-012704-DLG
1. Decal- Warning: Hot Surfaces
2. Decal- Warning: Risk of Fire
3. Engine
4. Engine Switch
5. Engine Throttle Control
6. Pilot Valve
7. Oil Fill Port
8. Pump Oil Sight Glass
9. Pump Oil Drain
10. Decal- Warning: Hot
11. Decal- Danger/Warning/Caution
12. Pressure Relief Valve
13. Tank Drain Valves
14. Pressure Gauge- Tank PSI
15. Pressure Gauge- Outlet PSI
16. Pressure Regulator
17. Ventilation Openings
18. Air Compressor Pump
19. Air Filter
20. Decal- Warning: Beltguard
21. Decal- Warning: Injury
22. Beltguard
10 Portable Gasoline Air Compressor Manual
EXPLODED VIEW & EXPLANATION OF AIR COMPRESSOR FEATURES
OIL FILL PORT
OIL SIGHT GLASS
SAFETY RELIEF VALVE: This valve is designed to prevent system failures by relieving pressure from the system when the compressed air reaches a predetermined
level. The valve is preset by the manufacturer and must not be modified in any way.
To verify the valve is working properly, pull on the ring. Air pressure should escape.
When the ring is released, it will reseat.
PILOT VALVE: When the toggle is in the upright position, all air from the air compressor is vented through the discharge muffler. This gives an easy start feature. For
normal operation, the toggle is in the 90° position.
AIR INTAKE FILTER: This filter is designed to clean air coming into the pump. To
ensure the pump continually receives a clean, cool, dry air supply this filter must always be clean and ventilation opening free from obstructions. Replace filter element
when necessary.
OIL FILL PORT/VENT: Pour oil into the Oil Fill Port/Vent when required.
OIL SIGHT GLASS: The Oil Sight Glass displays the oil level in the pump. The oil
level should be at the center of the Oil Sight Glass. If low, add SAE 30W non-deter
gent oil.
AIR COMPRESSOR PUMP: A two stage compressor pump uses two different size
cylinders with the intake valve of the second smaller cylinder linked to the exhaust
valve of the first larger cylinder. On the down stroke of the large cylinder, air is drawn
through the intake valve while the exhaust valve remains closed. On the upstroke, air
is compressed, the intake valve closes and compressed air is forced out through the
exhaust valve, into the inter cooler and through the intake valve of the second smaller
cylinder on its down stroke. On the upstroke of the smaller cylinder, the intake valve
closes and the compressed air is compressed a second time and forced out the exhaust
valve into the discharge line, through the tank check valve and into the air tank.
AIR TANK PRESSURE GAUGE: The air tank pressure gauge indicates the reserve
air pressure in the air tank (s).
PRESSURE REGULATOR: The air pressure coming from the air tank is controlled by
the regulator knob. Turn the pressure regulation knob clockwise to increase discharge
pressure, and counterclockwise to decrease discharge pressure.
OUTLET PRESSURE GAUGE: The outlet pressure gauge indicates the air pressure
available at the outlet side of the regulator. This pressure is controlled by the regulator
and is always less or equal to the air tank pressure.
-
AIR TANK DRAIN VALVE: The drain valve is used to remove moisture from the air
tank(s) after the air compressor is shut off. NEVER attempt to open the drain valve
when more than 10 PSI of air pressure is in the air tank! To open the drain valve,
turn the knob counterclockwise.
Portable Gasoline Air Compressor Manual 11
NOTES
12 Portable Gasoline Air Compressor Manual
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