See Warranty on page 12 for important information about commercial use of this product.
Operating Instructions and Parts Manual HL540200
Please read and save these instructions. Read carefully before attempting to assemble, install, operate or maintain the product described.
Protect yourself and others by observing all safety information. Failure to comply with instructions could result in personal injury and/or
property damage! Retain instructions for future reference.
Oil-Lubricated
Compressors
Description
This oil-lubricated compressor is
designed for do-it-yourselfers with a
variety of home and automotive jobs.
These compressors power spray guns,
impact wrenches and other tools.
Compressed air from this unit will
contain moisture. Install a water filter
or air dryer if application requires dry
air.
Unpacking
After unpacking the unit, inspect
carefully for any damage that may
have occurred during transit. Make sure
to tighten fittings, bolts, etc., before
putting unit into service. In case of
questions, damaged or missing parts,
please call 1-800-543-6400 for customer
assistance. Have the serial number,
model number, and parts list (with
missing parts circled) before calling.
DO NOT RETURN
STOP!
Do not operate unit
shipping, handling or use. Damage may
result in bursting and cause injury or
property damage.
READ & FOLLOW ALL INSTRUCTIONS
THE PRODUCT TO
THE RETAILER!
if damaged during
SAVE THESE INSTRUCTIONS
DO NOT DISCARD
Record the Model No., Serial No. and
date of purchase located on the base
below the pump in the space below.
Model No. HL540200
Serial No. ____________________
Date of purchase _________________
Retain these numbers for
future reference.
Safety Guidelines
This manual contains information
that is very important to know and
understand. This information is
provided for SAFETY and to PREVENT
EQUIPMENT PROBLEMS. To help
recognize this information, observe the
following symbols.
Danger indicates
an imminently
hazardous situation which, if not
avoided, WILL result in death or
serious injury.
Warning indicates
a potentially
hazardous situation which, if not
avoided, COULD result in death
or serious injury.
Breathable Air Warning
This compressor / pump is not
equipped and should not be
used “as is” to supply breathing
quality air. For any application of
air for human consumption, the
air compressor / pump will need
to be fitted with suitable in-line
safety and alarm equipment.
This additional equipment is
necessary to properly filter
and purify the air to meet
minimal specifications for Grade
D breathing as described in
Compressed Gas Association
Commodity Specification
G 7.1 - 1966, OSHA 29 CFR 1910.
134, and / or Canadian Standards
Associations (CSA).
DISCLAIMER OF WARRANTIES
In the event the compressor is
used for the purpose of breathing
air application and proper in-line
safety and alarm equipment is
not simultaneously used, existing
warranties shall be voided, and
the manufacturer disclaims any
liability whatsoever for any loss,
personal injury or damage.
Caution indicates
a potentially
hazardous situation which, if not
avoided, MAY result in minor or
moderate injury.
Notice indicates
important
information, that if not followed,
may cause damage to equipment.
NOTE: Information that requires special
attention.
REMINDER: Keep your dated proof of purchase for warranty purposes!
Attach it to this manual or file it for safekeeping.
power cord may
contain chemicals, including lead,
known to the State of California to
cause cancer and birth defects or other
reproductive harm. Wash hands after
handling.
You can
create
dust when you cut, sand, drill
or grind materials such as
wood, paint, metal, concrete,
cement, or other masonry. This dust
often contains chemicals known to
cause cancer, birth defects, or other
reproductive harm. Wear protective
gear.
GENERAL SAFETY
Since the air compressor and other
components (material pump, spray
guns, filters, lubricators, hoses, etc.)
used, make up a high pressure pumping
system, the following safety precautions
must be observed at all times:
Do not run
unattended. Leaving
compressor in AUTO position may allow
it to turn on inadvertently. To prevent
this and possible damage from power
surge, turn to OFF position after each
use.
1. Read all manuals included
with this product carefully.
Be thoroughly familiar
with the controls and the
proper use of the equipment.
2. Follow all local electrical and safety
codes as well as in the United States,
the National Electrical Codes (NEC)
and Occupational Safety and Health
Act (OSHA).
3. Only persons well acquainted with
these rules of safe operation should
be allowed to use the compressor.
4. Keep visitors away and NEVER allow
children in the work area.
5. Wear safety glasses and
use hearing protection
when operating the unit.
MANUAL
7. Before each use, inspect compressed
air system and electrical components
for signs of damage, deterioration,
weakness or leakage. Repair or
replace defective items before using.
8. Check all fasteners at frequent
intervals for proper tightness.
Motors,
electrical
equipment and controls can
cause electrical arcs that
will ignite a flammable gas
or vapor. Never operate or repair in or
near a flammable gas or vapor. Never
store flammable liquids or gases in the
vicinity of the compressor.
Compressor parts may be hot
even if the unit is stopped.
9. Keep fingers away from a
running compressor; fast moving
and hot parts will cause injury and/
or burns.
10. If the equipment should start to
vibrate abnormally, STOP the engine/
motor and check immediately for
the cause. Vibration is generally a
warning of trouble.
11. To reduce fire hazard,
keep engine/motor
exterior free of oil,
solvent, or excessive
grease.
Never remove or
attempt to adjust
safety valve. Keep safety valve free
from paint and other accumulations.
Never use plastic
(PVC) pipe for
compressed air. Serious injury or death
could result.
Never
attempt
to repair or modify a tank!
Welding, drilling or any other
modification will weaken the
tank resulting in damage from rupture
or explosion. Always replace worn,
cracked or damaged tanks.
Drain liquid from
tank daily.
12. Tanks rust from moisture build-up,
which weakens the tank. Make sure
to drain tank regularly and inspect
periodically for unsafe conditions
such as rust formation and corrosion.
13. Fast moving air will stir up dust
and debris which may be harmful.
Release air slowly when draining
moisture or depressurizing the
compressor system.
SPRAYING PRECAUTIONS
Do not
spray
flammable materials in
vicinity of open flame or near
ignition sources including the
compressor unit.
14. Do not smoke when spraying paint,
insecticides, or other flammable
substances.
15. Use a face mask /
respirator when spraying
and spray in a well
ventilated area to prevent
health and fire hazards.
16. Do not direct paint or other sprayed
material at the compressor. Locate
compressor as far away from the
spraying area as possible to minimize
overspray accumulation on the
compressor.
17. When spraying or cleaning with
solvents or toxic chemicals, follow
the instructions provided by the
chemical manufacturer.
6. Do not stand on or use the unit as a
handhold.
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2
HL540200
Introduction
Refer to Figure 1 to locate the following
items.
Pressure Switch - Auto/Off Switch - In
the "AUTO" position, the compressor
shuts off automatically when tank
pressure reaches the maximum preset
pressure. In the "OFF" position, the
compressor will not operate. This switch
should be in the "OFF" position when
connecting or disconnecting the power
cord from the electrical outlet.
Regulator - The regulator controls
the amount of air pressure at the hose
outlet.
ASME Safety Valve - This valve
automatically releases air if the tank
pressure exceeds the preset maximum.
Exhaust Tube - This tube carries
compressed air from the pump to the
check valve. This tube becomes very hot
during use. To avoid the risk of severe
burns, never touch the discharge tube.
Outlet Pressure Gauge - Will show
air pressure at the outlet in pounds per
square inch (psi). Make sure this gauge
reads ZERO (by adjusting regulator
knob fully counterclockwise) before
changing air tools or disconnecting air
hose from outlet.
Tank Pressure Gauge
Handle
Tank Pressure Gauge - Will show air
pressure in tank while the compressor
is running, indicating compressor
is building pressure properly. This
gauge will show maximum pressure
of compressor when it shuts off
automatically at the pressure switch.
Check Valve - One-way valve that
allows air to enter the tank, but
prevents air in the tank from flowing
back into the compressor pump.
Handle - Designed to move the
compressor.
Never use the
handle on wheeled
units to lift the unit completely off the
ground.
Drain Valve - This valve is located on
the bottom of the tank. Use this valve
to drain moisture from the tank daily to
reduce the risk of corrosion.
Motor Reset - (not shown, located
inside motor). Designed to keep the
motor from overheating. The motor has
an auto reset protector. To reset once
the motor has cooled, turn the pressure
switch to the OFF position, then to the
AUTO position.
This compressor is
equipped with an
overload protector which will shut off
motor if it becomes overloaded.
Pressure Switch
(AUTO / OFF)
Outlet Pressure Gauge
Regulator
If the overload
protector is
actuated, the motor must be allowed
to cool down for approximately 30
minutes before it will reset.
Installation
LOCATION
It is extremely important to install the
compressor in a clean, dry, and well
ventilated area. The compressor must
be placed on a firm, level surface where
the surrounding air temperature will
not be more than 100°F.
A minimum clearance of 18 inches
between the compressor and a wall is
required because objects could obstruct
air flow.
Do not locate the
compressor air inlet
near steam, paint spray, sandblast areas
or any other source of contamination.
This debris will damage the motor.
ELECTRICAL INSTALLATION
All wiring
and
electrical connections should
be performed by a qualified
electrician. Installation must
be in accordance with local codes and
national electrical codes.
WIRING
1. Local electrical wiring codes
differ from area to area. Source
wiring, plug and protector must
be rated for at least the amperage
and voltage indicated on motor
nameplate, and meet all electrical
codes for this minimum.
2. Use a slow blow fuse or a circuit
breaker.
3. This product is for use on a nominal
120 volt circuit and has a grounding
plug that looks like the plug
illustrated in Figure 2.
Figure 1 - Unit Identification
Grounded Outlet
RESET
TEST
Grounding Pin
Figure 2 - Grounding Method
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3
Operating Instructions and Parts Manual
Installation (Continued)
Make sure the product is connected
to an outlet having the same
configuration as the plug. This
product must be grounded. In the
event of an electrical short circuit,
grounding reduces risk of electrical
shock by providing an escape wire
for electric current. This product
is equipped with a cord having a
grounding wire with an appropriate
grounding plug. Plug must be
plugged into an outlet that is
properly installed and grounded in
accordance with all local codes and
ordinances.
Overheating, short
circuiting and fire
damage will result from inadequate
wiring.
Minimum Gauge of Extension Cord
25 ft.50 ft.100 ft.
141210
Use of an extension cord may cause excess
heat to motor. This could lead to tripped
breaker (at electrical panel) or tripped
thermal overload (on compressor motor).
If this occurs, eliminate extension cord and
plug compressor directly into electrical
outlet. Avoid using extension cords; use
longer air hose(s) instead.
LUBRICATION
THIS UNIT IS SHIPPED
WITHOUT OIL!
Follow lubrication instructions before
operating compressor.
Use oil shipped with the compressor.
Do not use regular automotive oil
such as 10W-30. Additives in regular
motor oil can cause valve deposits and
reduce pump life. For maximum pump
life, drain and replace oil after the first
hour of run time.
The compressor pump takes
approximately 175mL (6 oz.) of oil. The
sight glass, located on the crankcase
portion of the pump, is used to
determine proper oil level. Fill the
crankcase with oil until the level is in
the middle of the sight glass. Avoid
overfilling by adding oil gradually and
checking the oil level with the sight
glass several times. Add enough oil to
reach the “max” level on the sight glass.
Proper oil level is illustrated in Figure 3.
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Max.
Min.
Figure 3 - Proper Oil Level
Operation
BEFORE FIRST START-UP
BREAK-IN PROCEDURE
(Complete this procedure before using
compressor for the first time. Once
completed, it is not necessary to repeat.)
1. Open drain valve located on bottom
of tank.
2. Turn AUTO / OFF switch to OFF
position.
3. Plug in power cord.
4. Turn AUTO / OFF switch to AUTO
position and run compressor for 30
minutes.
5. Turn AUTO / OFF switch to OFF
position.
6. Unplug power cord.
7. Close drain valve.
The compressor is now ready for use.
OPERATING PROCEDURE
1. Turn switch to OFF position and plug
in power cord.
2. Turn regulator knob
counterclockwise to close air flow.
3. Turn switch to AUTO position.
4. Compressor will build to maximum
pressure and shut off.
5. With hose attached to outlet of
compressor, attach tire chuck or
other tool to open end of hose.
6. Adjust regulator to proper pressure
for tool or tire. Operate tool per
instructions.
As air is depleted from the tank by
use of a tire chuck, tool, etc., the
compressor will restart automatically
at its preset “cut-in” pressure. When
a tool is being used continuously,
the compressor will cycle on and off
automatically.
7. Turn switch to OFF position, unplug
power cord and drain tank of air
when finished using compressor.
CYCLING OF COMPRESSOR
In the AUTO position, the compressor
pumps air into the tank. When a
shut-off (preset “cut-out”) pressure is
reached, the compressor automatically
shuts off.
If the compressor is left in the AUTO
position and air is depleted from the
tank by use of a tire chuck, tool, etc.,
the compressor will restart automatically
at its preset “cut-in” pressure. When
a tool is being used continuously,
the compressor will cycle on and off
automatically.
In the OFF position, the pressure switch
cannot function and the compressor
will not operate. Make sure switch
is in OFF position when connecting
or disconnecting power cord from
electrical outlet.
Maintenance
Disconnect, tag and lock out
power source, then release
all pressure from the system
before attempting to install, service,
relocate or perform any maintenance.
Check compressor often for any visible
problems and follow maintenance
procedures each time compressor is
used.
ASME SAFETY VALVE
Do not remove or
attempt to adjust
the safety valve!
Check the safety valve by performing
the following steps:
1. Plug the compressor in and run until
shut off pressure is reached.
2. Wearing safety glasses, pull the
ring on the safety valve to release
pressure from compressor tank. Use
your other hand to deflect fastmoving air from being directed
toward your face.
Figure 4
4
HL540200
Maintenance (Continued)
3. The safety valve should
automatically close at approximately
40 psi - 50 psi. If the safety valve
does not allow air to be released
when you pull on the ring, or if
it does not close automatically, it
MUST be replaced.
Safety valve must be
replaced if it cannot
be actuated or it leaks air after ring is
released.
DRAIN TANK
1. Turn compressor off and release
pressure from system. (To release
pressure from system, pull ring on
ASME safety valve. Deflect escaping
air by shielding valve with one hand
as you pull ring with other hand.)
Pull ring until tank is empty.
A large amount of
fast moving air will
be released when the safety valve is
opened with pressure in the tank. Wear
ANSI approved Z87.1 safety glasses.
2. Drain moisture from tank by
opening drain valve underneath
tank. Tilt tank to remove all
moisture.
other types of oil will cause starting
problems.
5. Change oil after every 50 hours of
use.
INTAKE AIR FILTER MAINTENANCE
Removal, Inspection and Replacement
(Figure 6).
Filter
element
Filter
cover
Figure 6 - Intake filter maintenance
The intake filter element should be
removed and checked periodically.
A clogged intake filter can decrease
compressor performance and cause the
compressor to overheat.
1. Rotate the filter cover counterclockwise and remove.
2. Remove the filter element and
inspect.
3. If the filter element is dirty or
clogged, replace it.
4. Reinstall filter and cover.
IMPORTANT: Locate unit as far from
spraying area as hose will allow to
prevent overspray from clogging filter.
END OF OPERATION/STORAGE
1. Turn AUTO/OFF switch to the OFF
position.
2. Unplug power cord from wall outlet
and wrap around handle to prevent
damage when not in use.
3. Wearing safety glasses drain tank of
air by pulling the ring on the safety
valve. Use other hand to deflect
fast moving air from being directed
toward your face.
4. Drain tank of condensation by
opening drain valve on bottom of
tank. Tank pressure should be below
10 psi when draining tank.
5. Air hose should be disconnected
from compressor and hung open
ends down to allow any moisture to
drain.
6. Compressor and hose should be
stored in a cool, dry place.
TECHNICAL SERVICE
For information regarding the
operation or repair of this product,
please call 1-800-543-6400.
Figure 5
3. Clean dust and dirt from tank,
air lines and pump cover while
compressor is still OFF.
OIL CHANGE
1. Allow compressor to run and warm
up oil. Unplug unit.
2. Position a pan under pump end of
unit.
3. Remove drain plug. Allow oil to
collect in pan. Tilt unit to completely
drain.
4. Replace drain plug, fill pump to
center of sight glass. Use Chevron
synthetic 5W-30, Mobil 1 5W-30 or
10W-30 synthetic motor oil. Using
MOISTURE IN COMPRESSED AIR
Moisture in compressed air will form into droplets as it comes from an air
compressor pump. When humidity is high or when a compressor is in continuous
use for an extended period of time, this moisture will collect in the tank. When
using a paint spray or sandblast gun, this water will be carried from the tank
through the hose, and out of the gun as droplets mixed with the spray material.
IMPORTANT: This condensation will cause water spots in a paint job, especially
when spraying other than water based paints. If sandblasting, it will cause the
sand to cake and clog the gun, rendering it ineffective.
A filter in the air line, located as near to the gun as possible, will help eliminate
this moisture.
MAINTENANCE SCHEDULE
OPERATIONDAILYWEEKLYMONTHLY3 MONTHS
Check Oil Level
Drain Tank
Check Air Filter
Check Safety Valve
Clean Unit
Change Oil
l
l
l
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Operating Instructions and Parts Manual
Troubleshooting Chart
SymptomPossible Cause(s)Corrective Action
Compressor will not
run
Fuses blow / circuit
breaker trips
repeatedly
Tank pressure drops
when compressor
shuts off
Compressor runs
continuously and / or
air output is lower
than normal / low
discharge pressure
Excessive moisture in
discharge air
1. No electrical power1. Plugged in? Switch on? Check fuse/breaker
2. Breaker open2. Reset, determine cause of problem
3. Pressure switch bad3. Replace
4. Motor over worked4. Turn off, let cool, turn on.
5. Tank pressure above cut-in5. Bleed tank pressure down to cut-in.
1. Incorrect size fuse, circuit
overloaded
1. Check for proper fuse, use time-delay fuse. Disconnect
other electrical appliances from circuit or operate
compressor on its own branch circuit.
2. Remove extension cord or refer to Extension Cord Chart on
page 4.
3. Worn check valve3. Replace check valve.
Do not disassemble check valve with
4. Defective unloader valve (on
4. Replace unloader valve.
pressure switch)
5. Defective motor capacitor(s)5. Replace capacitor(s)
6. Defective motor6. Replace motor
1. Loose connections (fittings,
tubing, etc.)
1. Check all connections with soap and water solution.
Tighten; or remove and apply pipe dope or pipe tape to
the threads, then reassemble.
2. Open tank drain valve2. Close tank drain valve
3. Tank leaks3. Check tank for leaks with soap and water solution. If
leak is detected, tank must be replaced with genuine
replacement part.
1. Excessive air usage1. Decrease air usage; compressor not large enough for air
requirement
2. Clogged intake filter2. Clean or replace filter
3. Open tank drain valve3. Close tank drain valve
4. Air leaks in piping (on machine
or in outside system)
4. Check all connections with soap and water solution.
Tighten; or remove and apply pipe dope or pipe tape to
the threads, then reassemble.
5. Piston ring worn5. Replace piston and cylinder.
6. Broken valve (in pump)6. Replace valve
7. Tank leaks7. Check tank for leaks with soap and water solution. If
leak is detected, tank must be replaced with genuine
replacement part.
8. Defective pressure switch8. Replace switch
1. Excessive water in tank1. Drain tank
2. High humidity2. Move to area of less humidity; use air line filter
air pressure in tank; bleed tank.
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6
Troubleshooting Chart (Continued)
SymptomPossible Cause(s)Corrective Action
Tank pressure drops when
compressor shuts off
Compressor runs
continuously and air
output is lower than
normal/low discharge
pressure
Knocks, rattles, and/or
excessive vibration
Compressor runs
continuously and safety
valve opens as pressure
rises
Air leaking from
unloader valve on
pressure switch
1. Circuit overloaded1. Disconnect other electrical appliances from circuit or
operate compressor on its own branch circuit
2. Low voltage2. Check voltage at wall outlet with voltmeter.
3. Extension cord usage - wrong
gauge wire and/or too long.
3. Remove extension cord or refer to Extension Cord Chart on
page 4
4. Loose electrical connections4. Check all electrical connections
5. Worn check valve5. Replace check valve
Do not disassemble check valve with
6. Defective unloader valve (on
6. Replace unloader valve
pressure switch)
7. Defective motor capacitor(s)7. Replace capacitor(s)
8. Defective motor8. Replace motor
1. Lack of proper ventilation /
1. Move compressor to well ventilated area
room temperature too high
2. Clogged intake filter2. Clean or replace filter
3. Circuit overloaded3. Check for proper fuse, use time-delay fuse. Disconnect
other electrical appliances from circuit or operate
compressor on its own branch circuit
4. Extension cord usage - wrong
gauge wire and/or too long.
4. Remove extension cord or refer to Extension Cord Chart on
page 4
5. Worn check valve5. Replace check valve
Do not disassemble check valve with
6. Defective unloader valve (on
6. Replace unloader valve.
pressure switch)
7. Defective motor7. Replace motor
1. Loose mounting bolts1. Tighten bolts.
2. Tank not level2. Use sturdy wedge/object to bring tank to level position.