Hydraulic Fluid Pressure Switch

HYDRAULIC FLUID PRESSURE SWITCH

WARNING: Failure to fully depressurize Powermaster unit before performing service operations could result in injury to service personnel and damage to painted surfaces.

DEPRESSURIZING POWERMASTER UNIT:
^ Depressurize Powermaster before performing any service.
^ With ignition off, apply and release brake pedal a minimum of 10 times using approximately 50 pounds force on the pedal.

Figure 2 Pressure Switch:

REMOVAL:
1. Disconnect electrical connector (40) from pressure switch (1).
2. Remove pressure switch (1).
3. Remove O-ring (2).

INSTALLATION:
1. Install new O-ring (2) on pressure switch (1).
2. Install pressure switch (1) and torque to 20-27 Nm (15-20 lb. ft.).
3. Connect electrical connector (40) to pressure switch (1).