Component Inspection
INSPECTION1. INSPECT AIR PUMP
a. Connect the positive (+) lead from the battery to terminal 1 and negative (-) lead to terminal 2, and check that air flows.
If operation is not as specified, replace the air pump.
2. INSPECT AIR SWITCHING VALVE
a. Blow air into port A and check that air is not discharged from port B.
b. Apply positive battery between the terminals.
c. Blow air into port A and check that air is discharged from port B.
If operation is not as specified, replace the air switching valve.
3. INSPECT NO. 2 AIR SWITCHING VALVE
a. Blow air into port B and check that air is not discharged from port C.
b. Apply vacuum (30 kPa (306 gf/sq.cm, 4.35 psi) to port A, blow air into port B and check that air is discharged from portC.
If operation is not as specified, replace the No.2 air switching valve.