Global Machinery Company Air Compressor DTC32L User Manual

 
Do not switch on  
for the first time  
without first  
filling with oil.  
2HP/1600W  
32LT  
DUAL TANK  
COMPRESSO
WITH REMOVABLE
DTC32L  
INSTRUCTION MANUAL  
Code: DTC32L IM  
Date: 070705 Edition: 05  
Black  
Cyan  
Magenta  
Yellow  
Op: GM  
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Warning labels explained  
On the tank of your air compressor you will notice various  
warnings about the operation of the compressor. These  
warnings and the procedures associated with them are  
explained fully in this manual on the following pages.  
Please take note of these. They are important for your  
safety and that of others in the vicinity.  
�  
�  
�  
Check the oil level before starting the  
compressor every time.  
To prevent build-up of  
condensation, open  
drain cock daily  
When filter becomes  
dirty or oily, clean or  
replace filter. Refer to  
instruction manual.  
Make sure the compressor is on a level  
surface prior to checking the oil level.  
The oil level is required to be at the  
red dot on the oil level sight glass  
prior to use.  
Use only oil grade specified in the  
instruction manual.  
 
 
DTC32L Air Compressor  
Tank capacity:  
32 litres  
Pump displacement:  
206 l/m  
Free air delivery:  
114 l/m  
Max. working pressure:  
0.8 MPa  
 
Read instruction manual  
prior to starting unit.  
Unit starts  
automatically.  
Do not switch on  
for the first time  
without first  
Switch off power supply,  
remove plug & relieve  
air pressure prior to  
commencing service  
tasks.  
This equipment  
operates from  
AC mains only.  
filling with oil.  
 
 
�  
High voltage used on  
this equipment. Prior to  
servicing or removing the  
cover, switch off the  
Air discharged from  
this unit is not  
Test the safety relief  
valves daily.  
suitable for human  
consumption.  
Refer the instruction  
manual.  
power supply & remove  
plug from mains. Ensure  
mains outlet is adequately  
rated for this unit.  
3
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Introduction  
Description of symbols  
Your new GMC power tool will more than satisfy  
your expectations. It has been manufactured under  
stringent GMC Quality Standards to meet superior  
performance criteria.  
The rating plate on your tool may show symbols.  
These represent important information about the  
product or instructions on its use.  
Wear hearing protection.  
Wear eye protection.  
Wear breathing protection.  
You will find your new tool easy and safe to operate,  
and, with proper care, it will give you many years  
of dependable service.  
Conforms to relevant standards  
for electromagnetic compatibility.  
CAUTION. Carefully read through this entire Instruction  
Manual before using your new GMC Power Tool. Take  
special care to heed the Cautions and Warnings.  
Your GMC power tool has many features that will make  
your job faster and easier. Safety, performance, and  
dependability have been given top priority in the  
development of this tool, making it easy to maintain  
and operate.  
Specifications  
Power:  
2HP/1600W  
Voltage:  
230–240V ~ 50Hz  
2850 min-1  
No load speed:  
Discharge pressure:  
Tank capacity:  
Air outlets X4:  
Environmental protection  
0.8 MPa(115 psi)  
32/16 litres  
Recycle unwanted materials instead  
of disposing of them as waste. All tools,  
hoses and packaging should be sorted,  
taken to the local recycling centre and  
disposed of in an environmentally safe way.  
- 2X regulated fitted with Nitto style quick  
release couplings  
- 1X fitted Nitto style quick release coupler  
- 1X fitted tyre inflation hose & gauge  
providing easy tyre inflation applications.  
Net weight:  
38.5kgs  
Cut-in pressure (factory set):  
Cut-out pressure (factory set):  
Maximum output pressure:  
Free air delivery:  
0.6MPa (85psi)  
0.8MPa (115psi)  
0.8MPa (115psi)  
114 l/min  
(4 CFM)  
Pump displacement:  
206 l/min  
(7.3 CFM)  
4
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7. Dress correctly. Do not wear loose clothing or  
jewellery. They can be caught in moving parts. Rubber  
gloves and non-slip footwear are recommended when  
working outdoors. If you have long hair, wear a protective  
hair covering.  
8. Use safety accessories. Safety glasses and earmuffs  
should always be worn. A face or dust mask is also  
required if the sanding operation creates dust.  
9. Do not abuse the power cord. Never pull the cord to  
disconnect the tool from the power point. Keep the cord  
away from heat, oil and sharp edges.  
10. Secure the work piece. Use clamps or a vice to hold the  
work piece. It is safer than using your hand and frees  
both hands to operate the tool.  
General safety instructions  
To use this tool properly, you must observe the safety  
regulations, the assembly instructions and the operating  
instructions to be found in this Manual. All persons who use  
and service the machine have to be acquainted with this  
Manual and must be informed about its potential hazards.  
Children and infirm people must not use this tool. Children  
should be supervised at all times if they are in the area in  
which the tool is being used. It is also imperative that you  
observe the accident prevention regulations in force in your  
area. The same applies for general rules of occupational  
health and safety.  
WARNING. When using power tools, basic safety precautions  
should always be taken to reduce the risk of fire, electric  
shock and personal injury. Also, please read and heed the  
advice given in the additional important safety instructions.  
11. Do not overreach. Keep your footing secure and  
balanced at all times.  
12. Look after your tools. Keep tools sharp and clean for  
better and safer performance. Follow the instructions  
regarding lubrication and accessory changes. Inspect  
tool cords periodically and, if damaged, have them  
repaired by an authorised service facility. Inspect  
extension cords periodically and replace them if  
damaged. Keep tool handles dry, clean and free from oil  
and grease.  
13. Disconnect idle tools. Switch off the power and  
disconnect the plug from the power point before  
servicing, when changing accessories and when the tool  
is not in use.  
14. Remove adjusting keys and wrenches. Check to see  
that keys and adjusting wrenches are removed from the  
tool before switching on.  
15. Avoid unintentional starting. Always check that the  
switch is in the OFF position before plugging in the tool  
to the power supply. Do not carry a plugged in tool with  
your finger on the switch.  
1. Keep the work area clean and tidy. Cluttered work areas  
and benches invite accidents and injury.  
2. Consider the environment in which you are working.  
Do not use power tools in damp or wet locations. Keep  
the work area well lit. Do not expose power tools to rain.  
Do not use power tools in the presence of flammable  
liquids or gases.  
3. Keep visitors away from the work area. All visitors and  
onlookers, especially children and infirm persons, should  
be kept well away from where you are working. Do not  
let others in the vicinity make contact with the tool or  
extension cord.  
4. Store tools safely. When not in use, tools should be  
locked up out of reach.  
5. Do not force the tool. The tool will do the job better and  
safer working at the rate for which it was designed.  
6. Use the correct tool for the job. Do not force small tools  
or attachments to do the job best handled by a heavier  
duty tool. Never use a tool for a purpose for which it was  
not intended.  
16. Use outdoor rated extension cords. When a tool is used  
outdoors, use only extension cords that are intended for  
outdoor use and are so marked.  
17. Stay alert. Watch what you are doing. Use common  
sense. Do not operate a power tool when you are tired.  
5
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The solvents trichloroethane and methylene chloride can  
chemically react with the aluminium used in some paint  
spray guns and form an explosion. If these solvents are  
used, ensure that only stainless steel spray equipment is  
connected. The compressor is not affected by the use of  
these solvents.  
Never directly inhale the compressed air produced by a  
compressor and do not use it for charging breathing tanks.  
Do not use welding equipment in close proximity to the  
compressor. Do not weld anything to the air tanks of the  
compressor: this could dangerously weaken the tanks  
and will void the warranty.  
Do not use the compressor outdoors when it is raining  
or on a wet surface; either situation could cause an  
electric shock.  
Always shut off the compressor after use and before  
servicing. Set the on/off switch to the off position, wait  
for the pressurised air to bleed from both tanks via the  
release valves located on each tank. Then remove the  
electrical plug from the power supply.  
Check the maximum pressure rating of any tools or  
accessories that you intend using with the compressor.  
The output pressure of the air from the compressor must  
be regulated so that it never exceeds the rated pressure  
of the tool or accessory.  
To avoid the risk of burns and injury from moving  
parts, do not operate the compressor with the safety  
cover removed. Allow hot parts to cool before handling  
or servicing.  
18. Check for damaged parts. Before using a tool, check  
that there are no damaged parts. If a part is slightly  
damaged, carefully determine if it will operate properly  
and perform its intended function. Check for alignment of  
moving parts, binding of moving parts, breakage of parts,  
proper mounting and any other conditions that may  
affect the operation of the tool. A part that is damaged  
should be properly repaired or replaced by an authorised  
service facility, unless otherwise indicated in this  
Instruction Manual. Defective switches must be replaced  
by an authorised service facility. Do not use a tool if the  
switch does not turn the tool on and off correctly.  
19. Guard against electric shock. Prevent body contact  
with grounded objects such as water pipes, radiators,  
cookers and refrigerator enclosures.  
20. Use only approved parts. When servicing, use only  
identical replacement parts. Use an authorised service  
facility to fit replacement parts.  
Additional safety rules for air compressors  
WARNING. Before connecting a tool to a power source  
(mains switch power point receptacle, outlet, etc.) be sure  
that the voltage supply is the same as that specified on the  
nameplate of the tool. A power source with a voltage greater  
than that specified for the tool can result in serious injury to  
the user, as well as damage to the tool. If in doubt, do not  
plug in the tool. Using a power source with a voltage less  
than the nameplate rating is harmful to the motor.  
Always remove the plug from the mains socket before  
making any adjustments or maintenance, including  
renewing the lubricating oil.  
To reduce the risk of fire or explosion, never spray  
flammable liquids in a confined area. It is normal for  
the compressor motor and pressure switch to produce  
sparks during use. If sparks come into contact with petrol  
vapours or solvents, they may ignite the vapours and  
cause a fire or explosion.  
Always operate the compressor in a well ventilated area.  
Do not smoke while spraying. Do not spray where sparks  
or flames are present. Keep the compressor as far away  
from the spray area as possible.  
Be certain to read all the labels on the containers of paint  
or other materials to be sprayed. Closely follow all safety  
instructions. Use a respirator mask if there is a chance  
that you might otherwise inhale the spray material.  
Carefully check the effectiveness of any respirator mask  
you intend using.  
Always wear safety goggles or glasses when using the  
air compressor. Never point the nozzle of an accessory  
towards any part of your body or towards another person.  
Do not attempt to adjust the pressure switch or the  
release valve.  
6
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Drain the moisture from the tanks daily. It will help  
prevent corrosion.  
Note. The compressor is supplied empty of oil. It must be  
filled with oil before first use.  
Pull the ring on the safety valves daily to ensure that it  
operating properly and to clear any possible instructions.  
After using the compressor, switch off the on/off switch,  
disconnect the power supply and open the outlet valves  
on both tanks to release the pressure.  
Note. This unit has two safety release valves (one on each  
tank). Ensure both are checked daily.  
Keep the compressor at least 300mm from the nearest  
wall to ensure adequate ventilation for cooling purposes.  
Ensure that the lubricating oil is clean and that the oil  
level is maintained at the correct level. Replace the oil  
as indicated in the Maintenance section of this Manual.  
Use safety equipment including safety goggles or  
shield, ear protection, breathing or respirator mask  
and protective clothing.  
Wear goggles  
Wear earmuffs  
Wear a breathing mask  
Never apply air from any of the air outlets from this  
compressor directly on to any part of a person’s body.  
Do not attempt to block any of the air outlets with your  
finger or any part of your body.  
Prior to transporting the compressor make sure that the  
pressurised air is bled from both tanks. Ensure that the  
removable tank is correctly connected. Also check that  
the compressor is firmly secured.  
Note. Never transport pressurised tanks. Even when  
transporting the removable air supply it must be empty  
of all air.  
Protect the air hoses and cordset from damage. Inspect  
for weak or worn spots regularly and replace if necessary.  
Prior to using the removable tank as a temporary air  
supply make sure that you place it down on a level  
surface and have a firm grip on the air hose prior to use.  
Do not use an extension cord with this product. Use  
additional air hose instead of an extension cord to  
prevent power loss and possible damage to the motor.  
Use of an extension cord voids the warranty.  
After long working periods external metal parts could  
be hot.  
Always shut off the compressor at the on/off switch by  
lifting the lever to the off position before switching off the  
power or removing the power plug.  
Check the oil level before starting the compressor  
every time.  
Make sure the compressor is on a level surface prior to  
checking the oil level.  
The tool must be used only for its prescribed purpose.  
Any use other than those mentioned in this Manual will  
be considered a case of misuse. The user and not the  
manufacturer shall be liable for any damage or injury  
resulting from such cases of misuse.  
The manufacturer shall not be liable for any changes made  
to the tool nor for any damage resulting from such changes.  
Even when the tool is used as prescribed it is not possible to  
eliminate all residual risk factors. The following hazards may  
arise in connection with the tool’s construction and design:  
Damage to the lungs if an effective breathing mask is  
not worn.  
Damage to hearing if effective earmuffs are not worn.  
Damage to the eyes if effective safety goggles or shield  
are not worn.  
The oil level is required to be at the red dot on the oil  
level sight glass prior to use.  
Use only oil grade specified in this instruction manual.  
7
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WARNING. In the event that an air line is cut or broken,  
the air line needs to be immediately disconnected from  
the compressor at the quick release fitting. This will  
automatically stop the air from free flowing. A broken air  
line which is not supported is extremely dangerous and can  
whip around very quickly, both with the capability of striking  
people, and blowing foreign particles into the air.  
Do not attempt to catch the air line but immediately keep  
bystanders well clear. Disconnecting the remaining hose  
from the quick release fitting on the unit will automatically  
shut off the air supply. Turn off the compressor at the  
On / Off switch.  
Contents of carton  
400ml of oil in a sealed container  
Instruction manual  
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Know your product  
1. Handle  
2. On/off switch  
3. Tank pressure gauge x 2  
4. Regulated Nitto style  
quick release air outlets x 2  
5. Regulating knob  
1
25 19  
3 27 20  
6. Regulated outlet pressure gauge  
7. Safety valve x 2  
8. Combination valve  
(Non return, outlet and  
safety release in one valve)  
9. Drain cock x 2  
10. Air tank 1 (Removable tank)  
11. Air tank 2  
10  
5
6
12. Wheels (x 2)  
13. Safety cover  
4
3
23  
15  
14. Oil filling plug  
15. Air filter  
16. Oil sight glass/Oil drain plug  
17. Power Cord  
14  
18. Tank 1 air isolation valve  
19. Console/Tray  
20. Tank 1 (removable tank) handle  
21. Vibration dampening feet  
22. Tank 1 rubber support straps  
23. Tank 1 support brackets  
13  
11  
16  
7
22  
24. Tank 1 feet (located at each end of the tank)  
25. Tank 1 air inlet hose  
12  
26. Tank 1 Nitto style quick  
release air inlet valve  
27. Tank 1 inflator hose  
17  
2
18  
26  
8
7
16  
21  
9
24  
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Unpacking  
Pre-start routine  
1. Ensure that the location for the compressor is clean,  
dry and well ventilated.  
2. Ensure the crank case has been filled with oil and is  
at the correct level.  
Due to modern mass production techniques, it is unlikely  
that your GMC Power Tool is faulty or that a part is missing.  
If you find anything wrong, do not operate the tool until the  
parts have been replaced or the fault has been rectified.  
Failure to do so could result in serious personal injury.  
3. Start the compressor by  
following the procedure in the  
section “To start and stop  
the compressor”. Prior to  
the first time operation of the  
compressor open the drain  
cocks in both of the tanks (9),  
run the compressor for  
20 - 30 minutes in this condition  
with no load and to ensure all  
parts are well lubricated.  
4. Turn the air compressor off at  
the on/off switch (2) on the air  
compressor. Close the drain  
cocks (9) in both tanks.  
Assembly  
Oil  
WARNING. The air compressor must be filled with oil  
before first use.  
To prevent possible spillage of oil during transport, the  
compressor oil is supplied in a separate container. It must  
be added to the compressor before turning the compressor  
on. Failure to add the oil will cause non-repairable damage  
to the compressor and will void the warranty.  
1. Remove the plastic oil filling plug (14) located on the top  
of the crank case of the compressor housing.  
Your compressor is now ready  
for use.  
OFF  
WARNING. Be aware that pressurised air will be discharged  
from the drain cocks (9) and care should be taken that this  
discharge is not directed towards you the operator, or other  
persons within the area.  
To start & stop the compressor  
1. Check the rating label on the compressor indicates  
230V–240V.  
2. Use the oil supplied to fill the crank case until the oil level  
as seen in the oil sight glass (16) is up to the mid point of  
the red circle.  
2. Plug in the mains cable of  
the compressor to a standard  
240V household power point  
and turn on.  
3. Replace the oil filling plug (14). Ensure the plug is fully  
fitted and firmly in position.  
3. To start the compressor, push  
the On/Off lever (2) downward  
so that the lever is in the  
vertical position.  
ON  
4. To stop the compressor, lift the  
On/Off lever (2) to the horizontal position.  
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5. On completion of the task, i.e. when you have finished  
using the compressor, or when you are leaving the  
compressor unattended, turn off the compressor in the  
following way:  
Lift the on/off switch (2) to the off position  
Wait for the pressurised air to bleed from the release valve.  
Operation  
1. The pressure in the tank is controlled by the action of  
the pressure switch. When the set maximum pressure  
is reached the pressure switch activates and the motor  
is switched off. The pressure then decreases as the  
air is used by the connected tool until the set minimum  
pressure is reached after which the pressure switch  
causes the motor to switch on again. The operator of  
the compressor should be well aware that during use of  
the compressor the motor will start and stop under the  
influence of the rising or falling pressure in the tank. The  
motor will start without any warning.  
2. The maximum and minimum pressures are factory set  
and the operator should not try to change them.  
3. All accessories are connected to either the Nitto style  
quick coupler regulated air  
outlets (4) or the removable  
tank inflator hose (27).  
Note. You will hear a short air discharge of approx  
½ second however, this discharge only occurs if the  
compressor is actually running at the time, and not in idle.  
Switch off the electrical  
power supply and remove the  
electrical plug.  
Pull the ring on both of the  
safety valves (7) to ensure all  
the pressurised air is released  
from the tank, or open the both  
drain cocks (9) to release the  
pressure from the tank.  
4. The pressure of the regulated  
quick connect outlets is shown  
on the regulated outlet pressure  
gauge (6). The regulated  
pressure can be adjusted by  
turning the regulating knob (5).  
Tank removal/installation  
This twin tank air compressor has the added benefit of a  
removable tank which provides a mobile source of limited/  
short term compressed air. This has many advantages  
including inflating flat tyres on site as well as performing  
small brad nailing tasks.  
Note. To obtain the correct output reading on the regulated  
output gauge, the air must be flowing through the outlet(s)  
(4). The regulating valve should be adjusted and the gauge  
read with the outlet valve open and the air being discharged  
from the regulated outlet through the accessory being  
used. If you are using both of the regulated outlets (4)  
simultaneously make sure that the tools being connected  
have the same pressure operation requirements. To  
increase the air pressure, rotate the regulating valve  
clockwise. To decrease the pressure, rotate the regulating  
valve anti-clockwise.  
Note. It is important that end users understand the  
capabilities of the removable tank and work with in it’s  
capabilities.  
Removing the air tank:  
1. Turn the On/Off switch (2) on the compressor to the  
off position.  
2. Turn the power supply off and disconnect the power cable.  
3. Lift the main handle (1) up and away from the portable tank.  
Note. If you do not allow the air to discharge while you  
are setting the regulator, the pressure as indicated on the  
regulated outlet gauge will be incorrect. This gauge ONLY  
indicates the correct pressure while air is being discharged  
from the outlet.  
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4. Close the tank 1 isolation valve (18).  
b) the provided quick connect coupler that you can connect  
another air hose to. This can be done by sliding back  
the sleeve of the quick connect coupler and inserting an  
air hose assembly that is fitted with a Nikko style fittings.  
Due to the limited supply of air it is recommended that  
the removable tank is fully charged with air prior to being  
removed.  
Note. While the tank has been  
removed you can still use the  
master unit/compressor with only  
one tank. This can be done by  
simply reconnecting the master  
unit/compressor back to the power  
supply, and turning the unit on at  
the On/Off switch (2).  
5. Disconnect the tank 1 inlet hose (25) from the combination  
valve (8), by sliding back the sleeve of the quick connect  
fitting and removing the inlet hose.  
Note. The inlet hose has been fitted with a special one way  
valve. On removal of the inlet hose there will be a slight  
discharge of air.  
6. Place the tank 1 inlet hose  
(25) on the provided clip.  
CAUTION. When using the master unit/compressor with  
the top tank removed always check to ensure that the air  
isolation vale (18) is in the off position.  
7. Disconnect the rubber support  
straps (22) by pulling them  
over the support brackets (23)  
to release the air tank.  
Installing the air tank:  
1. Turn the On/Off switch (2) on the compressor to the  
off position.  
2. Turn the power supply off and disconnect the power cable.  
3. Lift the main handle (1) up and away from the portable  
tank location.  
4. Sit the tank down on the  
support brackets (23).  
5. Reconnect the rubber support  
straps (22) to the support  
brackets (23).  
WARNING. Be careful when  
releasing the straps they do have  
a tight fit.  
8. The tank has now been  
correctly disconnected from the  
air compressor unit. You can  
now move the tank freely  
by using the carry handle (20)  
to lift and move the tank. You  
can now use the removed tank.  
The separated tank has two  
outlets that you can choose  
from;  
Note. Grip the rubber straps at  
the fixed end and stretch evenly  
over the tank until the straps are  
connected securely to the support  
brackets.  
a) the attached inflation hose; or  
WARNING. When extending the rubber straps be careful. If  
released early they can flick back and hurt you. Make sure  
that your face is at a safe distance from the rubber straps  
while they are being stretched.  
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CAUTION. Over stretching the rubber straps may result in  
fracturing the straps.  
6. Reconnect the tank 1 inlet hose (25) onto the combination  
valve (8), by depressing and sliding back the sleeve of  
the quick coupler valve while reconnecting the hose.  
WARNINGS.  
1. Never attempt to remove any electrical component whilst  
the compressor is connected to the power supply. Switch  
off the power and remove the electrical plug.  
2. Do not adjust the safety valve.  
3. Do not use an electrical extension cable.  
4. Ensure that the lubricating oil is clean and that the oil  
level is maintained at the mid point of the red circle in the  
oil sight glass (16).  
5. Take care when discharging air from the tank, i.e. from  
the safety valves (7), the drain cocks (9) or the air outlets  
(4 and 27). Compressed air can be extremely dangerous.  
Take care the discharge air does not cause dust, stones  
or any other foreign particles to be blown through the air  
and that the air is discharged in a safe manner.  
7. Open the tank 1 isolation  
valve (18).  
Note. When the isolation  
valve is opened and there is is  
compressed air in the lower tank  
you will hear the air equalise into  
the top tank.  
The portable air tank has been  
properly installed and connected  
to the air compressor unit. Your  
air compressor is now ready  
for use.  
13  
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Troubleshooting  
Trouble  
Possible cause  
Possible remedy  
Power fault or supply voltage too low  
Power cord too long or too thin  
Check the power supply  
Motor will not run, running too  
slow or becoming excessively hot  
Use authorised service centre  
to replace the power cord  
Faulty pressure switch  
Faulty motor  
Use authorised service centre  
to repair or replace the switch  
Use authorised service centre  
to repair or replace the motor  
Main compressor sticking/tight  
Use authorised service centre  
to repair or replace faulty parts  
Moving parts damaged by heat  
due to insufficient lubrication  
Use authorised service centre to  
check crankshaft, bearings, con rod,  
piston rings, etc and replace  
where necessary  
Main compressor sticking/tight  
Vibration or abnormal noise  
Moving parts damaged or blocked  
by foreign particle  
Loose part  
Use authorised service centre  
to check and repair if necessary  
Foreign body in main compressor  
Piston connecting with the valve seat  
Moving parts excessively worn  
Use authorised service centre  
to check and clean if necessary  
Use authorised service centre  
to increase size of gasket  
Use authorised service centre  
to repair or replace  
14  
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Troubleshooting continued  
Trouble  
Possible cause  
Suggested Remedy  
Motor running too slow  
Dirty air filter cartridge  
Leaking safety valve  
Use authorised service centre to check and repair if necessary  
Clean or replace the filter cartridge  
Insufficient pressure  
or decreased outlet  
capacity  
Use authorised service centre to repair  
or replace the switch  
Leaking pipe  
Use authorised service centre to check and repair if necessary  
Use authorised service centre to check and repair if necessary  
Use authorised service centre to check and repair if necessary  
Damaged gasket  
Damaged or carbon coated  
valve seat  
Damaged piston ring or cylinder Use authorised service centre to check and repair if necessary  
Open drain cock  
Check both drain cock(s) are closed, if not immediately  
switch off the unit as per the shut down instructions and  
close the drain cock(s)  
Check out the condition of the safety valve. If the valve is  
leaking immediately shut off the compressor and cease using.  
Have the unit serviced/checked by an authorised service centre  
and repaired. Don’t continue to use the unit with a leaking  
safety valve.  
Safety valve fully leaking  
Examine the air hose for any holes and tears.  
If you find any holes or tears replace the air hose  
Air line hose leaking  
Air fittings leaking  
Check all air fittings. Make sure that they are tight and  
not leaking at the joins. If a quick release fitting is leaking,  
disconnect it and reconnect it. If it continues to leak replace the  
defective fitting(s). If a male or female fitting is leaking around  
the thread tighten using a spanner. If the fitting is already tight  
and can’t be tightened, unscrew the connection and remove  
the Teflon tape. Examine the condition of the fitting(s). If the a  
fitting(s) is damaged replace and reassemble using Teflon tape  
on threaded fittings. If the fittings are OK reapply Teflon tape  
and reassemble.  
15  
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Troubleshooting continued  
Trouble  
Possible cause  
Suggested Remedy  
Maintain the oil at the correct level  
Oil level too high  
Excessive oil  
consumption  
Check and clean  
Hole in oil filling plug (14)  
blocked  
Use authorised service centre to check and repair if necessary  
Piston ring and/or cylinder  
worn or damaged  
16  
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have the compressor and safety valve checked and tested  
at an authorised Service centre.  
Maintenance  
1. After the first 10 hours of working, empty the crank case  
of oil and refill with clean oil by removing the crank case  
oil plug (left hand side of the crank case at the bottom)  
DO NOT CONTINUE TO USE THE COMPRESSOR  
IN ANY WAY IF THE SAFETY VALVE DOES NOT  
WORK AS ABOVE.  
Note. Use good quality compressor lubricating oil.  
Maintaining the air filter  
SAE30 or L-DAB 100 over 10°C  
2. After each subsequent 250 hours of operation, again  
drain the oil and refill the crank case with clean oil.  
1. To clean the air filter insert you need to take the air filter  
(15) apart first. Remove the cover along by twisting it  
anti-clockwise.  
3. After each day of operation unscrew the two drain cocks  
(9) under the tanks to drain out any condensation that  
is in the tanks. This will protect the tanks from rusting  
and prolong the product life. Once the draining has  
been completed screw the drain cocks (9)closed and re  
assemble the air compressor.  
Note. Both tanks have independent drain cocks and both  
have to be drained after each day of use.  
CAUTION. The top tank must be removed from the  
2. Pull out the air filter and tap it a few times against a  
surface that is dry and clean to loosen up and remove  
any dust and build up. Then vacuum it for a minute or so  
to draw out the more stubborn particles.  
3. Replace the air filter insert cartridge, then re-install the  
filter cover back on by firstly lining up the lugs and then  
twisting it clockwise, to lock into position.  
compressor prior to draining every time.  
4. Regularly check the air filter insert cartridge inside the  
air filter assembly (15) and clean or replace the insert  
when necessary.  
5. Check daily the operation of the safety valves (7). This  
check should be performed when the tank contains close  
to max pressure in the tank.  
General inspection  
1. Regularly check that all the fixing screws are tight.  
To check the valves, pressurise the tank, and pull the ring  
OUTWARDS on the safety valve.  
2. The supply cord of the tool should be checked frequently  
for damage. If damaged, have the cordset replaced by an  
authorised service facility to avoid  
Air should discharge from the valve.  
Release the ring of the safety valves. When the ring is  
released the air discharge must stop.  
WARNINGS.  
a hazard.  
Cleaning  
Safety glasses must be worn when performing this test.  
1. Keep the tool’s air vents unclogged and clean at  
all times.  
2. Remove dust and dirt regularly. Cleaning is best done  
with a soft brush or a rag.  
3. Re-lubricate all moving parts at regular intervals.  
Do not have your face close to the safety valve when  
performing this test as air will discharge from the valve at a  
high force.  
If the safety valve does not operate correctly in any way as  
described above, turn off the compressor immediately and  
17  
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4. If the body of the compressor needs cleaning, wipe it  
with a soft damp cloth. A mild detergent can be used but  
nothing like alcohol, petrol or other cleaning agent.  
Power cord maintenance  
Only an authorised service centre should replace the  
cordset or carry out other repairs. If the cordset is damaged  
or worn, have it repaired or replaced by an authorised  
service centre.  
5. Never use caustic agents to clean plastic parts.  
CAUTION. Water must never come into contact  
with the tool.  
18  
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GMC customer assist  
If your product needs repairing, replacing,  
technical service or you simply need help or advice,  
please contact us on our Customer Assist Line  
1300 880 001 (Australia) or 0800 445 721 (New Zealand).  
For prompt service we suggest you log your service request  
online at www.gmcservice.com.au. Should you not have  
access to the Internet, please contact our service department  
on 1300 880 001 (Australia) or 0800 445 721 (New Zealand).  
7am 7pm, 7days a week (AEST).  
Please note that if repair or replacement is required,  
you must provide a valid original purchase receipt.  
You will need the following details at hand to log your service request;  
Personal details: First & Last name, address, pick up address,  
contact phone numbers, email address  
Product details: Product number, date of purchase, retailer bought from,  
State & postcode, receipt number, reason for the request,  
copy of official purchase receipt  
Attach your purchase receipt and save with this Manual for future reference.  
Please refer to our website www.gmcompany.com for full GMC warranty Terms and Conditions.  
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