ARM AS-TIGHTENER 7C9652 - Caterpillar

Table 1
Contactor    Description    Setpoint    
OPLAX1     Contactor for low oil pressure at low speed    
120 kPa (17 psi)    
OPLAX2     Contactor for low oil pressure at high speed    
320 kPa (46 psi)    
FPLAX     Contactor for low fuel pressure    
140 kPa (20 psi)    
JWPLAX     Contactor for low jacket water pressure    
70 kPa (10 psi)    
AWPLAX     Contactor for low after cooler / oil cooler water pressure    
70 kPa (10 psi)    
SWPLAX     Contactor for low sea water pressure    
70 kPa (10 psi)    
Illustration 1 g00857661
Test valve (typical example) (1) Pressure contactor (2) Setting screw for the pressure contactor (3) Connection for a pressure contactor (4) Connection for a pressure contactor (5) Test port (6) Test valve
Turn test valve (6) to the isolated position.
Connect an air hose to the quick connect hose fitting / test port (5)
Apply the specified pressure to the test port (5). Refer to table 1 for the pressure settings.
Remove the cover over the setting screw (2) .
If the contactor (1) is not energized, turn the setting screw (2) clockwise until the contactor is energized. If the contactor (1) is energized, turn the setting screw counterclockwise in order to de-energize the contactor. Then, turn the setting screw (2) clockwise until the contactor (1) energizes.
Retest the contactor in order to ensure that the pressure setting is correct. Refer to the Testing and Adjusting, "Contactor -Test" section of this manual.
Replace the cover over the setting screw (2) .
Remove the air hose from the test port (5) .