|
Piston Troubleshooting |
|
FAULT |
CAUSE |
REMEDY |
|
AIR LEAKING FROM THE
PRESSURE SWITCH
RELIEF VALVE (MACHINE
STOPPED) |
Defective Relief Valve |
Replace |
|
NRV Pastel worn |
Replace |
|
Rilan Tube broken |
Replace |
|
REDUCTION IN EFFICIENCY |
Increase in air consumption |
Reduce demand or upgrade |
|
Air leaks on pipework |
Cure air leaks |
|
Air Filter Element blocked |
Clean or replace |
|
Slipping drive belt(s) |
Check belt tension |
|
Head Gasket broken |
Replace |
|
Piston Rings or Bores worn |
Replace |
|
Delivery Valve broken |
Replace |
|
OVERHEATING |
Insufficient ventilation |
Rectify ambient conditions |
|
Air Filter Element blocked |
Clean or replace |
|
Low lubrication levels |
Top up or change oil |
|
Incorrect direction of rotation (3 phase) |
Swap any pair of cables in P/Switch |
|
Motor Fan broken or blocked |
Clean or replace |
|
THERMAL CUT OUT SWITCH
TRIPPING |
Compressed air on top of Head |
Check or replace NRV or P/Switch |
|
Low temperature |
Rectify ambient conditions |
|
Voltage too low |
Check incoming voltage (running) |
|
Use of extension lead (1 phase) |
Use dedicated electrical supply |
|
Thermal overload (1 phase) |
Replace |
|
Overload setting too low (3 phase)
|
Check Data Plate & FL Amps, rectify |
|
Capacitor burnt out |
Replace |
|
Motor down to earth |
Repair or replace |
|
Motor buzzes but does not turn over
Capacitor (1 phase) |
Replace |
|
Loss of phase (3 phase) |
Check fuses, replace |
|
OIL CARRY OVER |
Piston Rings worn |
Replace |
|
Bores scratched or worn |
Replace |
|
Overuse |
Reduce demand or upgrade |
|
Insufficient ventilation |
Rectify ambient conditions |
|
WATER IN LINES |
Air Receiver full of condensate |
Drain condensate |
|
No air treatment |
Install Dryer or Filters |
|
OVERPRESSURE |
Pressure Switch set too high |
Rectify or replace |
|
NRV blocked |
Rectify or replace |
|
INTERCOOLER SAFETY VALVE
LIFTING |
Split Head Gasket |
Replace |
|
Faulty Delivery Valve |
Replace |
|
Warped Head |
Replace |