Test 5

Fig. 3g Automatic level control system troubleshooting chart:

A3-PRESSURE SWITCH

Check pressure switch for proper operating pressure. Pressure should be 137 psi with switch ``Off'' or 109 psi with switch `` On.''

A5-AIR TANK LEAKAGE

Remove air tank assembly, then apply compressed air to tank by connecting suitable a 12 volt source to tank solenoid valve and compressor relay. Place tank assembly in water, then check for leakage.

A13-ELECTRICAL CIRCUIT

When checking circuit, disconnect component from circuit and check for continuity. Also, check for proper grounding.