Hyundai H50CV-A User manual

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AIR COMPRESSOR
H50CV-A
WARNING: Read thoroughly the instruction manual before use.

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IMPORTANT NOTICE
THINGS TO DO BEFORE OPERATING
YOUR NEW COMPRESSOR FOR THE
FIRST TIME
1. On the top front of the compressor you will find a white plastic shipping plug
inserted into the oli filler hole, Remove the shipping plug and replace by pressing
the red oil filler plug(Supplied in the parts bag) into the oil filler hole.
2. Also, supplied in the parts bag you will find a black air breather assembly.Screw
the assembly into the hole on the side and at the top of the compressor head.
3. Using the sight-glass built into the lower front area of the compressor (just behind
the regulator), check the oil level. It should be at the halfway mark on the sight-
glass for normal operation, If it is necessary to add oil,please use any standard
air compressor oil available at home centers and other major retailers.
4. There are two air outlet fittings on the regulator.
Air flow for one fitting is operated by turning the regulator handle. The other is a
free flow directly from the tank.Screw either a metal cap or a quick-coupler (not
supplied) onto the free-flowing fitting before starting the compressor.Use nylon
thread-seal tape when working with air fittings to prevent leakage.

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CONTENTS
1. INTRODUCTION……………………………………………………………………4
2. SAFETY GUIDELINES……………………………………………………………4
3. BRIEF DESCRIPTION……………………………………………………………6
4. GENERAL VIEW AND MAIN COMPONENTS…………………………………6
5. MAIN TECHNICAL PARAMETER………………………………………………6
6. PREPARATION FOR STARTING………………………………………………7
7. OPERATION AND ADJUSTMENT………………………………………………7
8. CAUTIONS…………………………………………………………………………8
9. MAINTENANCE……………………………………………………………………9
10.TROUBLES AND REMEDIES……………………………………………………10
11. PARTS ILLUSTRATION …………………………………………………………11
PARTS LIST………………………………………………………………………12
12. LIST OF GOODS…………………………………………………………………13
13. DECLARATION OF CONFORMITY………………………………………………14
14. WA R R A N T Y…………………………………………………………………15
15.P R O D U C T FA I L U R E……………………………………………………16
16.WA R R A N T Y E X C L U S I O N S…………………………………………17

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1. INTRODUCTION
Read this manual carefully before operating or servicing this, air compressor
to familiarize with proper safety, operating, and maintenance procedures.
Failure to comply with instructions in this manual could result in personal
injury, property damage, and voiding of your warranty. Following the
instructions in this manual will provide a longer and safer service life for your
air compressor.
2. SAFETY GUIDELINES
DANGER- AN IMMEDIATE HAZARD THAT WILL CAUSE
SERIOUS INJURY OR LOSS OF LIFE.
1. TO REDUCE THE RISK OF FIRE OR EXPLOSION,NEVER SPRAY FLAMMABLE
LIQUIDS IN A CONFINDED AREA. It is normal for the motor and pressure switch to
produce sparks while operating.If sparks come into contact with vapors from gasoline or
other solvents, they,may ignite causing fire or explosion.Always operate the compressor in a
well-ventilated area. Do not smoke while spraying.Do not spray where sparks or flame are
present. Keep compressor as far from spray area as possible..
2. The solvents Trichloroethane and Methylene Chloride can chemically react with
aluminum used in paint spray guns, paint pumps, etc. and cause an explosion. If you are
using these solvents,use only stainless steel spray equipment.This does not affect your air
compressor,but many affect the equipment being used.
3. Never directly inbale the compressed air produced by a compressor. It is not suitable for
breathing purposes.
WARNING: A POTENTIAL HAZARD THAT COULD CAUSE
SERIOUS INJURY OR LOSS OF LIFE
1. Do not weld on the air tank of this compressor.Welding on the air compressor tank
strength and cause an extremely hazardous condition.Welding on the tank in any manner
will void the warranty.
2. Never use an electric air compressor outdoors when it is raining or on a wet surface,as
it may cause an electric shock.
3. This unit starts automatically.ALWAYS shut off the compressor,remove the plug from
the outlet, and bleed all pressure from the system before servicing the compressor, and
when the compressor is not in use.
4. Check the manufacturer's maximum pressure rating for air tools and
accessories.Compressor outlet pressure must be regulated so as to never exceed the
maximum pressure rating of the too
5. High temperatures and moving parts are present under the shield.To prevent burns or
other injuries,DO NOT operate with the shield removed. Allow the copmpressor parts to
cool before handing or servicing.
6 Be certain to read all labels when you are spraying paints or toxic materials, and follow
the safety instructions. Use a respirator mask if there is a chance of inhaling anything you
are spraying .Read all insrtuctions and be sure that your respirator mask will protect you.

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7. Always wear safety goggles or glasses when using an air compressor. Never point any
nozzle or sprayer toward a person or any part of the body.
8. Do not adjust the pressure switch or regulating valve for any reason. Doing so voids all
warraanties.They have been pre-set at the factory for the maxinum pressure of this unit.
8. Read the operating instructions
9. Risk of electric shock
10. Do not open the valve before connecting the air hose.
11. Risk of high temperature
CAUTION: A POTENTIALL HAZARD THAT MAY CAUSE
MODERATE INJURY OR DAMAGE TO EQUIPMENT.
1. Drain the mositure from the tank on a daily basis. A clean , dry tank will help prevent
corrosion
2. Pull the pressure relief valve ring daily to ensure that the valve is functioning properly,
and to clear of any possible Obstructions
3. To provide proper ventilation for cooling , the compressor must be kept a minimum of
31cm (12inches) from the nearest wall ,in a well-ventilated area.
4. Fasten the compressor down securely if transporting is necessary . Pressure must be
released from the tank before transporting..
5. Protect the air hose and electrical wire from damage and puncture. Inspect them
weekly for weak or worn spots, and replace them if necessary..
WARNING!
DISCONNECT POWER AND RELE ASE
ALL PRESSURE FROM THE SYSTEM
BEFORE ATTEMPTING TO INSTALL,
SERVICE, RELOCATE OR PERFORM
ANY MAINTENANCE.
1. Follow all local electrical and safety
codes as well as National Electrical
Codes(NEC) and Occupational Safetyand
Health Act(OSHA). .
2. Electric motors and starters must be
securely and adequately grounded using a
three-pronged Outlet.
CAUTION!
Never use an extension cord with this
product.
Use additional air hose instead of an
extension cord to avoid power loss and
permanent motor damage.Use of an
extension cord voids the warranty.
Record the Model NO.,Serial No. and Date
of Purchase in the space below.
Model № ___________________________
Serial № _________________________
Date of Purchase
_________________________
Retain these number for future reference

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3. BRIEF DESCRIPTION
This micro air compressor is of novel design and excellent workmanship.Having the
advantages of compact construction,fine appearance,light weight,easy operation,high safety
and low noise,it can be widely used in machinery,chemical industry,spray and
decoration,automatic control system and other fields where compressed air is required.
4. GENERAL VIEW AND MAIN COMPONENTS(Fig.1)
(1) Main compressor
(2) Pressure switch
(3) Outlet Valve
(4) Regulating Valve
(5) Pressure gauge
(6) Check Valve
(7) Drain cock
(8) Wheel
(9) Discharge pipe
(10) Air tank
(11)Fan cover
5. MAIN TECHNICAL PARAMETER
Model H50CV-A
Power 3HP
Voltage 220V
Frequency 60HZ
Current 7.5A
Rated Speed 3400tr/min
Displacement 250L/min
Max.Working Pressure 0.8Mpa
Tank Capacity 50L
Net weight 26kgs
L*W*H(cm) 70*31*66

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6. PREPARATION FOR STARTING
(1)The place to set the compressor should be clean,dry and ventilated.
(2)Keep the use voltage within±5% of rated.
(3)Keep the oil level in the red circle leveler.
(4)Recommend compressor oil use SAE30 or L-DAB 100 over 10℃,and use SAE10 or L-DAB68
below 10℃.
(5)Open the outlet valve,set the knob of pressure switch in position on (Fig.2),let the compressor run
10 minutes without load to ensure lubricating the moving parts before regular serivce.
7. OPERATION AND ADJUSTMENT
(1)Open the drain cock under the tank first and then close it.
(2)The compressor is controlled by pressure switch when normal working.It can be
stoped automatically as pressure increasing to the maximum and restart as pressure
decreasing to the minimum.The rated pressure has been adjusted when
produced.Don't change it carelessly.As soon as motor switched off the compressed
air in the discharge pipe should be released through the outlet valve under the
switch.This is the necessary condition for restart,or the motor will be damaged.The
rated pressure can be adjusted by turning the adjusting bolt of the switch(Fig.2).
(3) The outlet pressure of compressed air can be adjusted by regulating valve.(Fig.2). Pull up
the knob of regulation valve and turn it clockwise to increase the pressure.
(4) When the compressor needs to be stopped as it is running, only to set the knob of
pressure switch in position off

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8. CAUTIONS
1) Put the cover off first and put on the breath pipe and air filter before running the
compressor(Fig.3)
2) Never unscrew any connecting part when the tank is in pressure condition.
3) Never disassemble any electrical part before disconnecting the plug.
4) Never adjust the safety valve carelessly.
5) Never use the compressor when voltage is too low or too high.
6) Never use electrical wire more than 5m long with less than the section shown in Table 1
7) Never disconnect the plug to stop compressor,set the switch knob in position off instead
8) If the outlet valve doesn't work as motor stopped,search for the cause immediately so as
not to damage the motor
9) Lubricating oil must be clean,oil level should be kept in the red circle leveler also
10)Disconnect the plug to cut off power supply and open the outlet valve.
Table 1
Motor output
(HP/kw)
220V/230V/240V Single-
phase
100V/110V/127V Single-
phase
Wire(mm2)
Fuse(A)
Wire(mm2)
Fuse(A)
1/0.75
1.5
16
2.0
20
1.5/1.1
1.5
16
2.5
20
2/1.5
1.5
16
2.5
20
2.5/2
2.0
20
2.5
20

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9. MAINTENANCE
(1) Clean crankcase and renew lubricating oil after the first 10 working hours.
(2) Clean the oil level after every 20 working hours,and replenish it if necessary(Fig.4.)
(3) Open drain cock under the tank to exhaust condensate after every 60 working hours.
(4)Clean crankcase every 120 working hours and renew the oil,clean air filter,and check safety
valve and pressure gauge

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10. TROUBLES AND REMEDIES
Table 2
Trouble
Possble causes
Remedies
Motor unable running,
Running too Slow, or
Getting hot
(1) Fault in line,or voltage
insufficient
(2)Power wire is too thin or
too long
(3)Fault in pressure switch
(4)Fault in motor
(5)Sticking of main
compressor
(1) Check the line
(2) Replace the wire
(3) Repair or replace
(4) Repair or replace
(5)Check and repair
Sticking of main
compressor
(1) Moving parts burnt due
to the oil insufficient
(2)Moving parts
damaged,or stuck by
foreign body
Check crankcase, bearing,
connecting
rod,piston,piston
ring,etc.and replace if
necessary
Terrible shake Or abnormal
noise
(1) Connecting part loosed
(2) Foreign body got into
main compressor
(3) Piston knocking valve
seat
(4)Moving parts seriously
worn
(1) Check and retighten
(2) Check and clean away
(3) Replace with thicker
paper gasket
(4)Repair or replace
Pressure insufficient or
discharge capacity
decreased
(1) Mortor runs too slow
(2) Air filter choked up
(3) Leakage of safety valve
(4) Leakage of discharge
pipe
(5) Sealing gasket
damaged
(6) Valve plate
damaged,carbon build
up or stuck
(7)Piston ring and cylinder
worn of damaged
(1) Check and remedy
(2) Clean or replace the
cartridge
(3) Check and adjust
(4) Check and repair
(5) Check and replace
(6) Replace and clean
(7)Repair or replace