More Component Location/Function

Question 1

Pressure Transmitter

Answer 1

Fwd hydraulic compartment, Fwd of the reservoir
Converts hydraulic pressure to elect signal

Question 2

Heat Exchanger

Answer 2

Fwd hydraulic compartment, centerline on the deck
Radiator type

Question 3

Thermostat bypass valve

Answer 3

165F fluid is routed through core for cooling
Electric fan with switch, cools fluid ok return

Question 4

Plugstat location

Answer 4

Back of reservoir, pump supply line

Question 5

Plugstat purpose

Answer 5

Sense 2nd stage hyd temp @ its coolest point
Lights hot light, 225F

Question 6

Isolation Valve location

Answer 6

Fwd Hyd compartment, centerline on the deck aft of hear exchanger

Question 7

Isovalve purpose

Answer 7

Reroutes hydraulic pressure to the M/R during blade fold operation located by “pitch lock engage” control switch on blade fold/pylon fold control panel

Question 8

Pressure reducer

Answer 8

When isovalve is closed it reroutes 800 psi to the M/R servos during blade fold operation

Question 9

Return filter

Answer 9

Fwd hyd compartment, below reservoir
Filters return fluid, 5 micron filter element
Differential indicator is bypassable