Hyundai HHC series User manual

HHC SERIES
USER GUIDE

©2015 Hyundai Power Equipment. All Rights Reserved.
Licensed by Hyundai Corporation, Korea.
HHC_UG_EN_2015-06-25

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CERTIFICATION REQUIREMENTS FROM:

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Contact us by phone at 1-877-528-3772,
email us at [email protected], or visit us online
at www.hyundaipower.ca if you have any questions
SAVE THESE INSTRUCTIONS - This user guide contains
important instructions for your product, that should be followed
during installation and mainteneance of the generator and batteries.
This user guide covers the safety, operation and maintenance
procedures for all HHC series electric air compressors.
All information in this publication is based on the latest product
information available at the time of print.
Visit www.hyundaipower.ca for user guide updates
and operation notices.
No part of this publication may be reproduced
without written permission.

WARRANTY INFORMATION
YOU CAN REGISTER EASILY USING OUR ONLINE FORM:
www.hyundaipower.ca/warranty.php
See chapter 9 for more information.
Product registration will allow you to request warranty support in
the future. Product registration is required for all product support
and warranty coverage.
Warranty support, operation assistance and product support
is provided by Midland Power Inc., a licensed manufacturer of
Hyundai Power Equipment. Please contact us directly for any
warranty service questions.
1-877-528-3772
[e-mail]
www.hyundaipower.ca

CONTENTS PAGE
Safety First 8
Specifications 12
Features 13
Start-up & Operation 16
Maintenance 18
Parts List 20
Troubleshooting 30
Glossary 32
Warranty 33

8
Chapter 1 — Safety
General operation safety
1. Always perform a pre-operation check before using the air
compressor.
2. Operators of the unit should always be wearing appropriate
approved eye and hearing protection. Under some conditions,
long durations of use may contribute to hearing loss.
3. Always operate the air compressor according to the instructions
for safe and dependable service.
4. Always clean and properly maintain the equipment after use.
5. To avoid harm, never operate the compressor in an enclosed
area.
6. Pay attention to all warning labels and be careful not to touch
the marked parts of the compressor during and immediately
after operation because they may cause burns.
Air Tank Safety
1. Drain the tank daily or after each use. Make sure to properly
drain condensed water from the tank in order to prevent rust
and/or thinning of the steel tank.
2. If the tank develops a leak, replace it immediately with a new
tank or new compressor outfit.
3. Do not attempt to modify or repair the compressor tank. Never
drill, weld, or make any modifications of any kind to the tank or
its attachments.
4. Do not attempt to modify the pressure switch, safety valve, or
any other components that control tank pressure. The tank is
designed to withstand specific operating pressures. Never make
adjustments or substitute parts to alter the factory set operating
pressures.

9
AC Safety Guidelines
Before connecting the compressor to an electrical device or power
cord:
1. Make sure that all parts are in right working order. Faulty
devices or power cords can lead to an electrical shock.
2. Turn off the air compressor immediately if the device begins to
operate abnormally. Then disconnect the device and investigate
the problem.
Maintenance Safety
1. Turn off the air compressor before performing any maintenance.
Otherwise, it can cause severe personal injury and/or death.
2. Allow the air compressor to cool down before performing any
maintenance.
3. Only qualified, licensed, and/or certified maintenance personnel
with knowledge of fuels, electricity, and machinery hazards
should perform maintenance procedures.
Attachments and Accessories Safety
1. Do not exceed the pressure rating of air tools, spray guns, air
operated accessories, air tires, hoses, and other inflatables.
Exceeding pressure ratings may cause them to explode or
become damaged, resulting in serious injury.
2. Make sure to follow the equipment manufacturer’s
recommendation and never exceed the maximum allowable
pressure rating of attachments.
3. Never use the compressor to inflate small, low pressure objects,
such as children’s toys.

10
Risk of Explosion or Fire
1. Make sure the air compressor is in a well-ventilated area, free
of any combustible or flammable materials, gasoline, or solvent
vapours.
2. Make sure to keep the compressor at least 20 feet away when
spraying flammable materials.
3. Keep all flammable materials in a secure location away from the
air compressor.
4. Do not restrict any of the compressor’s ventilation openings.
This may cause overheating and could cause a fire.
5. Make sure to operate the compressor in an open area at least
three feet away from any wall or obstruction that could restrict
the airflow of the compressor.
Risk of Bursting
1. Make sure to drain the tank after each use. If the tank develops a
leak, replace it immediately with a new tank or new compressor
outfit.
2. Do not attempt to modify or repair the tank. Any drilling,
welding, or other forms of modification may result in serious
injury to you and/or others.
3. Do not adjust regulator to result in output higher than marked
maximum pressure of attachment.
Risk of Electrical Shock
1. Do not operate in wet environments.
2. Do not expose the compressor to rain.
3. Make sure the compressor is properly grounded. Failure to
ground the unit may increase the risk of electrical shock.
4. All electrical work must be performed by a qualified or licensed/
certified electrician.

11
Risk to Breathing
1. Always operate the compressor in a well-ventilated area.
2. Wear appropriate safety masks to reduce the risk of inhaling any
harmful vapours.
3. Do not breathe compressed air from the compressor. The
compressed air is not breathable and may contain carbon
monoxide, toxic vapours, and/or solid particles.
4. Sprayed materials such as paint, paint solvents, paint remover,
insecticides, weed killers, etc. contain harmful vapours and
poisons.
Risk of Burn
1. Do not touch any exposed metal components during or
immediately after use of the compressor. The compressor will
remain hot for several minutes after it has been shutdown.
2. Do not move the unit while the compressor is running.
Risk of Falling
1. Make sure that the compressor is in a stable and secure
position before operating.
Risk of Moving Parts
1. The compressor cycles automatically when the pressure switch
is in the ON position.
2. Do not remove and safety guards or covers. If guards and/
or covers are damaged or removed, do not operate the
compressor.
3. Make sure to release pressure, turn off, and disconnect the
compressor before performing any maintenance or repairs.
4. Secure any and all loose clothing, hair, or jewellery that may be
caught in the moving parts or the air vents of the compressor.
5. attachments.
6. Never use the compressor to inflate small, low pressure objects,
such as children’s toys.

12
Chapter 2 - Specifications
MODEL TANK
SIZE
HORSE
POWER
MAX
PSI
SCFM
@40 PSI
SCFM
@90 PSI
SOUND
LEVEL
MODEL
WEIGHT
HHC2GAC 2 1/3 HP 100 0.8 0.65 93dB 7.2kg
15.8lb
HHC3GAC 3 1/3 HP 100 0.8 0.65 93dB 8.0kg
17.6lb
HHC4GAC 4 1.5 HP 125 3.5 2.5 95dB 18.5kg
40.7lb
HHC6GAC 6 1.5 HP 125 3.5 2.5 95dB 23.2kg
51.0lb
HHC8GAC 8 1.5 HP 125 3.5 2.5 95dB 24.2kg
53.2lb
HHC6GUQ 6 1.5 HP 135 3.5 2.5 68dB 27.2kg
59.8lb
HHC8GUQ 8 1.5 HP 135 3.5 2.5 68dB 28.5kg
62.7lb

13
Chapter 3 - Features
Pressure Switch
This controls the power to the motor and the cut-in/cut-out pressure
settings. Also serves as the Auto-On/Off positions for the unit.
Safety Valve
This valve allows excess tank pressure to escape into the
atmosphere. It should open when tank pressure exceeds the
maximum pressure rating.
Check Valve
This valve closes when the pump is not in operation in order to retain
air pressure in the tank.
Tank Pressure Gauge
Indicates the reserve air pressure in the tank.
Outlet Pressure Gauge
Indicates the outgoing air pressure to the tool or accessory.
Regulator
Controls the air pressure leaving from the tank.
Drain Valve
Used to drain excess moisture and condensation from the tank.
Air Compressor Pump
Oil-free pump that compresses the air.
Pressure Release Valve
This valve automatically releases compressed air momentarily when
the compressor reaches cut-out pressure.
Universal Quick Connect Body
Allows for easy attachment and removal of the air hose.
Motor Thermal Overload Protector
If the motor begins to overheat, this protector will shut off the motor.

14
Air Tank
Drain Valve
Handle
Utility Tray
Storage
Safety Valve
Quick Coupler
Regulator
Output Pressure Gauge
Tank Pressure Gauge
Circuit Breaker
Power Switch
Feet

15
Air Tank
Foot Grip
Handle
Utility Tray
Storage
Wheels
Power Switch
Safety Valve
Regulator
Quick Coupler
Tank Pressure Gauge
Output Pressure Gauge
Drain Valve

16
Chapter 4 - Start-Up & Operation
Initial Inspection
All air compressors have been inspected carefully before leaving the
factory. It is possible that poor handling during transport caused some
damage to the compressor. Fully inspect the compressor before use.
1. Inspect the entire unit for any concealed and/or visible damage.
2. Make sure any damaged parts are replaced and any mechani-
cal issues are repaired by a qualified and licensed/certified
mechanic.
Pre-Start Checklist
1. Make sure that the ON/OFF switch is in the OFF position.
2. Make sure that the tank is fully drained.
3. Make sure that the tank pressure gauge reads 0 PSI.
4. Make sure that the drain valves are closed.
5. Make sure that all covers and safety guards are properly
installed and in place.
Initial Break-In Procedure
The following instructions should be followed before the first time the
compressor is operated in order to optimize the life of the compressor
and to help prevent any damage to the unit.
1. Make sure the regulator knob is turned counter-clockwise.
2. Plug the power cord into a properly grounded power outlet.
3. Open the drain valve in order to allow air to escape and prevent
pressure from building up inside the tank.
4. Turn the ON/OFF switch to the ON position.
5. Allow the compressor to run for approximately 15 minutes.
6. Close the drain valve, allowing pressure to build to the cut-out
pressure. The compressor will shut off automatically.
7. Use the compressed air in the tank with an approved
attachment or allow it to bleed out.

17
Start-up
1. Make sure the regulator knob is turned counter-clockwise.
2. Plug the power cord into a properly grounded power outlet.
3. Turn the ON/OFF switch to the ON position.
4. Allow the compressor to reach the cut-out pressure. The
compressor will shut off automatically.
5. Attach a hose and the desired accessory to the unit.
6. Adjust the regulator knob to the desired pressure.
Shutdown
1. Make sure that the ON/OFF switch is in the OFF position.
2. Unplug the power cord from the outlet.
3. Turn regulator knob counter-clockwise until the regulated
pressure gauge reads 0 PSI.
4. Remove the attached hose and accessory.
5. Drain all air and water from the air tank.
6. Once the tank is fully drained, close the drain valve.
7. Store in a safe, dry, non-freezing area.
Storage
1. Do not store the compressor in areas that are humid and/or
subject to temperature fluctuations. This may result in excess
moisture or water forming in the tank, which may affect the
compressors cycle times.
2. Do not store in areas with excessive dust.
3. After the ON/OFF switch is in the OFF position, unplug and
properly store the power cord in a protected and safe position.

18
Chapter 5 - Maintenance
Proper maintenance is important in order to ensure safe, economical,
and trouble-free operation. Improper maintenance may cause the air
compressor to malfunction and can lead to serious injuries or death.
Shut off the compressor before performing any maintenance.
When the engine is running, make sure the area is well
ventilated. The compressed air may contain harmful vapours or
particles.
Use authorized parts or their equivalent. The use of replacement
parts which are not equivalent quality may damage the
compressor.
NOTE: Some of these maintenance techniques can be
dangerous and must be performed by a qualified technician.

19
In order to maintain high performance and extend the service life of the
compressor, periodical inspection and adjustments should be done
based on the following maintenance schedule:
PROCEDURES
DAILY OR
BEFORE
EACH USE
AFTER
EACH USE OTHER
General Inspection X
Drain condensation
in tank(s) X
Check for unusual
noise/vibration X
Check for air leaks X
Check safety relief
valve X
Inspect air filter,
replace if necessary
Approx. every
100 hours
Clean exterior of
compressor X
Oil exposed metal
and moving parts. X
NOTICE:
1. Service more frequently when used in dusty areas.
2. Should be serviced by an authorized service dealer.
3. Must be serviced by an authorized Hyundai Service Dealer.
Failure to do so will void the warranty.

20
8
12 13 14
15
16
26
27
23
28
29
32
7
6
2
1
31
9
10 11
17
43
6
18 19
5
30
50.2
22
24
23
25
Chapter 6 - Part Lists
2GAC and 3GAC Assembly