Air Pump

Air Pump Presure Check:

AIR PUMP

1. Warm up the engine to normal operating temperature.
2. Check the hoses and connections for leaks.
3. Check the air pump for noise.
4. Check the air pump drive belt tension.
5. Adjust, repair or replace, if necessary.
6. Disconnect the air hose (air pump-air control valve) at the air control valve.
7. Connect the air pump gauge set (49 2113 010B) to the air hose.
8. Connect a tachometer to the engine.
9. Start the engine and run it at idle speed.
10. Observe the pressure reading.
11. Replace the pump if necessary pressure reading is not 11.8 kPa (0.12 kg/sq cm, 1.7 psi) at Idle.

AIR PUMP DRIVE BELT

1. Check the drive belt for cracks, deterioration or oil contamination. Replace if necessary.
2. If the belt is noisy, check for loose or misaligned pulleys.