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8.  

Trouble Shooting 

 

Trouble 

Possible Causes 

Possible Fix 

Motor unable 
to run, 
running slow 
or getting 
hot. 

(1) Fault in line, or voltage 
insufficient 
(2) Power cable to thin or too long 
(3) Faulty pressure switch 
(4) Faulty motor 
(5) Pistons not rotating 

(1) Check the electrical supply 
(2) Replace the cable 
(3) Repair or Replace 
(4) Check and Repair 
(5) Check and Repair 

Pistons not 
rotating 

(1) Moving parts burnt out due to 
lack of oil 
(2) Moving parts damaged, or stuck 
by foreign object. 

Check crankshaft, bearings, 
connecting rod, piston, piston 
rings etc….  Replace if 
necessary. 

Shaking or 
abnormal 
noise 

(1) Connecting parts loose 
(2) Foreign object is the pump 
(3) Piston hitting valve seat 
(4) Moving parts worn 

(1) Check and retighten 
(2) Check and Clean 
(3) Replace with thicker gasket 
(4) Repair or Replace 

Decrease in 
pressure 

(1) Motor running to slow 
(2) Air filter blocked 
(3) Leaking pressure switch 
(4) Leaking discharge pipe 
(5) Gasket damaged 
(6) Valve plate damaged, carbon 
build up or stuck 
(7) Piston ring and cylinder worn or 
damaged 

(1) Check 
(2) Clean or replace the air 
filter 
(3) Check and adjust 
(4) Check and Repair 
(5) Check and Replace 
(6) Replace and Clean 
 
(7) Repair or replace 

Using to 
much oil 

(1) Oil level too high 
 
(2) Breather pipe blocked 
(3) Piston ring and cylinder worn or 
damaged 

(1) Check the level is within 
the site glass 
(2) Check and Clean 
(3) Repair or Replace 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for ZC224

Page 1: ...Air Compressor Operation Manual ZC224 ZC250 Before operation be familiar with the operation manual first...

Page 2: ...ge 1 3 Technical Specification Page 1 4 Preparation before Starting Page 2 5 Operation and Adjustment Page 2 6 Cautions Page 3 7 Maintenance Page 3 8 Trouble Shooting Page 4 9 Parts Diagram Page 5 Par...

Page 3: ...w and Main Components Fig 1 1 Pump 2 Pressure Switch 3 Outlet Valve 4 Regulating Valve 5 Pressure gauge 6 Non Return Valve 7 Drain Valve 8 Wheel 9 Delivery Pipe 10 Air Receiver 11 Safety Valve 12 Fan...

Page 4: ...below 10 deg 11 Set the pressure switch to the On position Fig 2 let the compressor run for 10 minutes with no load to ensure lubrication of the moving parts before regular operation 5 Operation and A...

Page 5: ...stop the compressor 6 If the pressure switch isn t working switch off the machine immediately to reduce any long term damage 7 Replacement lubricant must be new and clean and should be filled to the r...

Page 6: ...or abnormal noise 1 Connecting parts loose 2 Foreign object is the pump 3 Piston hitting valve seat 4 Moving parts worn 1 Check and retighten 2 Check and Clean 3 Replace with thicker gasket 4 Repair o...

Page 7: ...5 9 Parts Diagram...

Page 8: ...pe 1 11 Connecting Rod 1 38 Stator 1 12 Crankcase 1 39 Bearing 6203 1 13 Crank 1 40 Motor Cover 1 14 Hex Bolt M8 x 22 1 41 Bolt M5 x 105 4 15 Rubber Gasket 1 42 Fan 1 16 Breather Plug 1 43 Circlip 1 1...

Page 9: ...d cooling airflow All single phased compressors fitted with a 13amp plug are designed to plug directly in to a standard 13amp socket Exclusion to warranty cover are detailed below A The cost of routin...

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