Remove the hoses and bracket from the viscosity sensor.
1. Main oil rifle pressure.
2. Modified pressure signal to pressure regulator.
3. Return to oil pan.
Cleaning and Inspection
Use ultrasonic cleaners, Part No. 3376665 or 3375001,
and ultrasonic cleaner solution, Part No. 3375003, to
clean the viscosity sensor.
Use mineral spirits to neutralize the solution after cleaning.
Inspect the flex lines and fittings for plugging or restric-
tion.
Clean or replace any obstructed parts.
Viscosity Sensor - STC Engines (2-18) Section 2 - Lubricating System
N14Page 2-44
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