REVERSE PRESSURE SWITCH CIRCUIT FAULTY. (Cont) -726250213

TM 9-2320-364-34-1

Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical

circuits, a direct short may result. Damage to equipment, injury or death to personnel may occur.

Blowing transmission oil can cause injury to eyes. Safety goggles must be worn when testing

transmission oil pressure switch.

CONTINUITY TEST

(1) Remove two screws, reverse pressure

switch and preformed packing.

Discard preformed packing.

(2) Disconnect pressure switch

connector.

(3) With the aid of an assistant, apply

25 to 35 psi (172 to 241 kPa) air to

pressure switch orifice and check

continuity across pressure switch.

(a) If there is no continuity, replace

reverse pressure switch

(Para 7-8).

(b) If there is continuity, pressure

switch is OK.

(4) Install preformed packing, pressure

switch and two screws. Tighten

screws to 60 to 84 lbs-in

(6.8 to 9.5 N.m).