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Airmac Owner’s Manual 

August 2006 

© Glenco Manufacturing Pty Ltd 

Page 9 of 44 

Typical Petrol Air Compressor 
 

 

 

NO. 

COMPONENT 

NO. 

COMPONENT 

Compressor Pump 

12 

Handle 

Air Filter 

13 

Wheel 

Crankcase Breather 

14 

Non-Return Valve 

Oil Fill Cap 

15 

Easy-Start Valve 

Oil Drain Plug 

16 

Unloading Line 

Oil Level Sight Glass 

17 

Safety Valve 

Petrol Engine 

18 

Drain Valve 

Air Receiver Tank 

19 

Discharge Outlet  

Air Receiver Tank Nameplate 

20 

Pressure Gauge 

10 

Drive Guard 

21 

Pilot Valve 

11 

Wheel Mounting Bracket 

 

 

 

 

 

Summary of Contents for AIRMAC FU SHENG T20

Page 1: ...cordance with these instructions Please read and understand this manual before operating the compressor Failure to do so could result in death severe injury and or substantial property damage This manual should be considered a permanent part of the compressor and should remain with it if resold 72 Platinum Street Crestmead QLD 4132 Australia Phone 07 3803 4100 Fax 07 3803 1255 Email sales glencomf...

Page 2: ...id either of which can cause death or serious injury Keep sparks flames and cigarettes away from the battery and provide adequate ventilation when charging Do not allow the electrolyte to contact body or clothing Read and understand the separate Owner s Manual for the petrol or diesel engine before operating the compressor Moving parts can cause serious injury Keep clear of the compressor during o...

Page 3: ...o not spray where sparks flames or other ignition sources including the compressor are present 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 accumulating on the compressor and or clogging its air filter s Motors electrical equipment and controls can cause electrical arcs that may ignite a flamm...

Page 4: ...ion is correct at the date of publication Due to Glenco Manufacturing Pty Ltd s policy of continued product development some features and specifications of your new air compressor may vary slightly from those shown herein If after reading this manual you still have any questions or concerns about your compressor please contact your local authorized Airmac dealer or Glenco Manufacturing Pty Ltd Pre...

Page 5: ...sor Pump 12 Wheel Mounting Bracket 2 Air Filter 13 Handle 3 Crankcase Breather 14 Wheel 4 Oil Fill Cap 15 Non Return Valve 5 Oil Drain Plug 16 Unloading Line 6 Oil Level Sight Glass 17 Safety Valve 7 Compressor Pump Nameplate 18 Drain Valve 8 Electric Motor 19 Discharge Outlet 9 Air Receiver Tank 20 Pressure Gauge 10 Air Receiver Tank Nameplate 21 Pressure Switch 11 Drive Guard ...

Page 6: ...mpressor Pump 11 Foot Mount 2 Air Filter 12 Non Return Valve 3 Crankcase Breather 13 Unloading Line 4 Oil Fill Cap 14 Safety Valve 5 Oil Drain Plug 15 Drain Valve 6 Oil Level Sight Glass 16 Discharge Outlet Valve 7 Compressor Pump Nameplate 17 Pressure Gauge 8 Electric Motor 18 Pressure Switch 9 Air Receiver Tank 19 Dual DOL Starter 10 Drive Guard ...

Page 7: ...NT NO COMPONENT 1 Compressor Pump 10 Drive Guard 2 Air Filter 11 Foot Mount 3 Crankcase Breather 12 Non Return Valve 4 Oil Fill Cap 13 Safety Valve 5 Oil Drain Plug 14 Drain Valve 6 Oil Level Sight Glass 15 Discharge Outlet Valve 7 Electric Motor 16 Pressure Gauge 8 Air Receiver Tank 17 Pressure Switch 9 Air Receiver Tank Nameplate ...

Page 8: ...T 1 Compressor Pump 11 Non Return Valve 2 Air Filter 12 Unloading Line 3 Crankcase Breather 13 Safety Valve 4 Oil Fill Cap 14 Drain Valve 5 Oil Drain Plug 15 Discharge Outlet Valve 6 Oil Level Sight Glass 16 Pressure Gauge 7 Electric Motor 17 Pressure Switch 8 Air Receiver Tank 18 Star Delta Starter 9 Drive Guard 19 Solenoid Valve 10 Foot Mount ...

Page 9: ...Handle 2 Air Filter 13 Wheel 3 Crankcase Breather 14 Non Return Valve 4 Oil Fill Cap 15 Easy Start Valve 5 Oil Drain Plug 16 Unloading Line 6 Oil Level Sight Glass 17 Safety Valve 7 Petrol Engine 18 Drain Valve 8 Air Receiver Tank 19 Discharge Outlet 9 Air Receiver Tank Nameplate 20 Pressure Gauge 10 Drive Guard 21 Pilot Valve 11 Wheel Mounting Bracket ...

Page 10: ...11 Foot Mount 2 Air Filter 12 Vibration Isolator 3 Crankcase Breather 13 Non Return Valve 4 Oil Fill Cap 14 Easy Start Valve 5 Oil Drain Plug 15 Unloading Line 6 Oil Level Sight Glass 16 Safety Valve 7 Compressor Pump Nameplate 17 Drain Valve 8 Diesel Engine 18 Discharge Outlet Valve 9 Air Receiver Tank 19 Pressure Gauge 10 Drive Guard 20 Pilot Valve ...

Page 11: ...d use Air quality treatments such as filtration and drying are the most common requirements together with pressure regulation The use of compressed air lubricators to protect pneumatic tools is also commonplace nowadays Failing to install appropriate compressed air treatment equipment will likely result in damage to pneumatic machinery or spray painted finishes Where installed compressed air filtr...

Page 12: ...ut out pressure is reached which would necessitate physically re starting the engine if more compressed air is required the pilot valve actuates the head unloader in each cylinder head to keep the inlet valve open Air can be felt pulsing in and out of the inlet air filter whenever the compressor pump is in this unloading mode When the pressure drops to the cut in value the pilot valve deactivates ...

Page 13: ...e reverse of this flow The drive guard covers the V belt s engine or motor pulley and the compressor pump pulley It is a critical safety device A drain valve is fitted to the bottom of the air receiver tank to permit the release of water condensate that would otherwise corrode the tank and damage pneumatic devices The pressure within the air receiver tank is indicated on the pressure gauge ...

Page 14: ... used for removing the motor from the compressor unit Do not work or walk under the compressor while it is suspended in the air Inspect the compressor upon receipt for any shipping damage or missing parts If any problems are apparent make an appropriate note on the delivery receipt before signing and then contact your Airmac dealer immediately Do not operate unit if damaged during shipping handlin...

Page 15: ...t valve safety valve and the pressure gauge Electric Air Compressors Select a clean dry and well lit area most preferably indoors with plenty of space for proper ventilation cooling air flow and accessibility Locate the compressor at least 300 mm 1 ft from walls for ventilation or preferably no less than 600 mm 2 ft to allow for maintenance access Ensure that the power supply is clearly identified...

Page 16: ...on isolators Place the compressor on a firm level surface that is strong enough to support its weight Use wheel chocks to prevent movement of the compressor during operation and possible straining of the air hose Do not place on an incline during use as this will interfere with the compressor pump s splash lubrication system Stationary skid mounted type Bolt the compressor to a firm level foundati...

Page 17: ... free air delivery in accordance with Table 1 Branch piping should be sized in a similar manner but the design flow rate should instead be based on the total air consumption of the tools or appliances running off that branch To allow for vibration and to prevent piping stresses being transmitted to the compressor the connection between the unit s discharge valve and the mainline piping system shou...

Page 18: ...motor nameplate and the power supply must have compatible voltage phase and frequency characteristics The required size of electrical wiring between the power supply and the electric motor varies according to motor power and other factors Adequately sized wiring must be installed to protect against excessive voltage drop during compressor start up and running If connecting other electrical equipme...

Page 19: ...eparate 15 Amp sockets No other electrical appliances should be connected to either of these branch circuits The direction of motor rotation has been correctly preset at the factory during manufacture If fitting a replacement motor check that its direction of rotation is anti clockwise when viewed looking onto the motor output shaft or compressor pump pulley Each 240 Volt motor is fitted with its ...

Page 20: ...oid terminal Connect the battery negative cable to an engine mounting bolt frame bolt or other good engine ground connection Connect the battery positive cable to the battery positive terminal Connect the battery negative cable to the battery negative terminal Take care not to connect the battery in reverse polarity as this may damage the battery charging system Check the battery cable connections...

Page 21: ...ly must be immediately closed off at the compressor either by shutting the discharge outlet valve or switching off the compressor Do not attempt to catch the loose end of a discharging air hose Check that the tank drain valve is closed Take care when discharging air from the tank i e from the safety valve the drain valve or the air outlet to ensure that it does not cause dirt stones metal swarf or...

Page 22: ...matically whenever the air receiver pressure drops to or below the preset cut in pressure of approximately 650 kPa 94 psi It will also stop automatically whenever the air receiver pressure reaches approximately 870 kPa 126 psi The compressor is specially designed so that one pump starts approximately two seconds after the other in order to minimize total starting current Slowly open the outlet val...

Page 23: ...he OFF position marked 0 before turning off the isolating switch switching off the electricity supply and or unplugging the supply lead Always use the pressure switch to turn the compressor on and off otherwise the electric motor may be damaged The compressor s emergency stop button if fitted should only be used in the case of a genuine emergency Petrol Air Compressors Turn on the engine fuel supp...

Page 24: ...ate to idle speed and the compressor will operate in unloading mode When operating in unloading mode it is normal for air to discharge in pulses from the pump s air filter inlets To minimize mechanical wear and tear fuel consumption and exhaust and noise emissions do not operate the compressor unnecessarily for extended periods in unloading mode Switch off the engine instead Slowly open the outlet...

Page 25: ...mpressor will operate in normal pumping mode Then whenever the air receiver pressure reaches approximately 965 kPa 140 psi the engine will decelerate to idle speed and the compressor will operate in unloading mode When operating in unloading mode it is normal for air to discharge in pulses from the pump s air filter inlets To minimize mechanical wear and tear fuel consumption and exhaust and noise...

Page 26: ...he above duty cycle limits then either the demand should be reduced or the compressor should be replaced with a unit having a larger free air delivery The duty cycle limit is intended to protect the compressor pump valves and heads against stabilized high operating temperatures that can cause premature pump failure In applications where multiple compressors are required to satisfy the total air de...

Page 27: ...dealer can carry out this work for a fee Maintenance Schedule The maintenance schedule shown in Table 3 has been developed for typical industrial applications in clean indoor environments The service intervals should be shortened in harsher working conditions Regular preventative maintenance is essential for the safety reliability and performance of the compressor and will add years to its useful ...

Page 28: ...ly evacuate the oil through the oil fill hole by inserting a suction probe Oil flows easier if the pump is warm but do not touch the oil in case it is hot Reinstall the oil drain plug tightly before adding the new oil and then finally screw the oil fill cap back in place If the oil changes to a white colour this indicates water contamination If it changes to a dark colour this typically indicates ...

Page 29: ...e actuated by pulling the ring the safety valve is faulty and must be replaced before operating the compressor Take care when testing the safety valve as compressed air will discharge from the valve with high velocity Do not tamper with the safety valve It is designed to automatically release air if the tank pressure exceeds a preset maximum Air Filter s Do not operate the compressor without its a...

Page 30: ...ys are properly aligned and the V belt s runs straight Do not over tension the V belt s Always refit the drive guard before operating the compressor Note The engine motor pulley has been installed with a high strength Loctite retaining compound and will need to be heated prior to removal with a puller Torque Values TABLE 4 RECOMMENDED TORQUE VALUES Item Thread Size mm Spanner Size mm Torque Nm Tor...

Page 31: ...wire brush Apply PTFE thread tape or Loctite 243 liquid sealant to the male threaded connection before reassembling and tightening the joint Allow approximately 30 minutes for the liquid sealant to cure if used Re pressurize the air receiver tank and check that the air leak has been rectified before putting the unit back into normal operation Pressure Switch and Pilot Valve The cut in and cut out ...

Page 32: ...with access to proper tools all electrical work must by undertaken by a licensed electrician It is recommended for your convenience and expedience that the troubleshooting guide is consulted prior to contacting an Airmac dealer or Glenco Manufacturing Pty Ltd for advice Refer to the separate Owner s Manual for instructions about the petrol or diesel engine if fitted Use only genuine spare parts fo...

Page 33: ...oader valve nil or restricted unloading air flow 12 Nil or restricted discharge air flow through non return valve 1 Turn on pressure switch 2 Nil no fault 3 Check electricity supply including all fuses circuit breakers switches and wiring 4 Repair or replace pressure switch dual DOL starter or star delta starter 5 Check voltage on all three phases of 415 V supply 6 Check no load and full load supp...

Page 34: ...er in fuel 7 V belts too tight or misaligned 8 Compressor pump partially or totally seized 9 Engine fault 1 Add fuel 2 Open fuel supply valve 3 Turn on control switch 4 Add oil 5 Ground battery to engine as recommended 6 Replace fuel and add fuel stabilizer 7 Adjust belts to proper tension and alignment 8 Repair or replace compressor pump 9 See engine manual Compressor pump does not come up to spe...

Page 35: ...lace pulleys as required check alignment and adjust V belt tension 2 Add oil 3 Remove cylinder heads and check for carbon deposits or other foreign matter on top of pistons 4 Replace components or entire compressor pump 5 Repair or replace non return valve 6 Check and tighten fasteners including foot mounts 7 See engine manual Slow pressure rise or unable to reach cut out pressure 1 Air demand exc...

Page 36: ... Check compressor pulley turns anti clockwise looking onto pulley Change electric motor connections if incorrect 2 Reduce ambient temperature and or improve ventilation e g move further away from walls or other equipment 3 Add oil 4 Reduce air demand or use larger or additional compressor s 5 Replace compressor pump valves and or cylinder head gaskets Excessive cycling between pumping mode and unl...

Page 37: ... worn compressor pump inlet valves and or blown cylinder head gaskets 1 Replace compressor pump inlet valves and or cylinder head gaskets No short discharge of air from the pressure switch after reaching cut out pressure or being manually switched off 1 Faulty pressure switch unloader valve 2 Blocked or damaged unloading line 3 Blocked or faulty non return valve 1 Replace unloader valve or complet...

Page 38: ...ust or replace throttle cable 3 See engine manual Engine stalls when compressor changes from pumping mode to unloading mode 1 Engine idle speed too low 2 Head unloaders not fully actuating 3 Other engine fault 1 Increase engine idle speed 2 Repair or replace head unloaders 3 See engine manual External oil discharge from compressor pump 1 Oil leaks 1 Tighten refit or replace leaking connections or ...

Page 39: ...g and loading the compressor Lifting equipment slings etc must be properly rated for the weight of the compressor Take care when attaching load restraining devices to ensure that the compressor does not tip over during transport especially because of its high centre of gravity Check with the carrier whether lubricating oil and or engine fuel must be drained out prior to transport If so ensure that...

Page 40: ...ance instructions Petrol air compressors Check that the engine control switch is turned off and drain all petrol from the fuel tank and piping Remove the spark plug and pour about a tablespoon of clean engine oil into the cylinder Crank the engine several revolutions to distribute the oil and then reinstall the spark plug Remove the 12 volt battery if fitted and recharge it once a month Diesel air...

Page 41: ... valve carefully de pressurize and drain the air receiver tank drain out the fuel tank and piping and drain the lubricating oil from the compressor pump and engine Do not pollute the environment by improper or illegal disposal of the waste oil fuel and condensate Air receiver tanks should be rendered unusable for pressure service prior to disposal for example by cutting or massive deformation This...

Page 42: ...riginal sale hereinafter the Warranty Period An extended Warranty Period of twenty four 24 months total shall apply only to the Fusheng compressor pump s where sold as part of an Airmac air compressor set Upon return transportation charges prepaid by the Purchaser to the Company s or its nominated agent s premises within the Warranty Period the Company shall repair or replace at its option any Goo...

Page 43: ...rry whatever warranty the manufacturer conveyed to the Company and which can be passed on to the Purchaser This Warranty is in lieu of all other warranties expressed or implied To the extent permissible by law and notwithstanding any other clause in these Warranty Conditions the Company excludes all liability whatsoever to the Purchaser arising out of or in any way connected with a contract for an...

Page 44: ...Airmac Owner s Manual August 2006 Glenco Manufacturing Pty Ltd Page 44 of 44 MAINTENANCE AND REPAIR RECORD Date Maintenance or Repair Activity ...

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