Remove - TM-5-5420-279-230634

TM 5-5420-279-23

Remove

(1)

Remove the silicone compound covering the head of the securing screw (5) on the

electrical connection (6).

(2)

Remove the securing screw (5).

(3)

Remove the electrical connection (6).

NOTE

The test may be carried out at this point

(4)

Note the position of the solenoid (1) and remove the solenoid retaining nut (3).

(5)

Remove the locking clip (2).

(6)

Remove the O-ring (4).

(7)

Remove the solenoid (1).

(8)

Clean the solenoid (1).

(9)

Check the electrical connection (6) for damage.

Test

(1)

Remove the rubber seal on the solenoid to identify the pin numbers.

(2)

Carry out a resistance check across the supply and return pins (pins 1 and 2) on the

solenoid (1).

(3)

Take a reading and compare it with the limits detailed in Table 1.

(4)

If the reading taken is above or below the specified limits go to step 5 of remove and

replace the solenoid valve (1).

Install

(1)

Place the solenoid (1) on the solenoid valve in the position noted during removal.

(2)

Fit O-ring (4) on the solenoid (1).

(3)

Fit the locking clip (2).

(4)

Fit the solenoid retaining nut (3), check that the O-ring (4) is not damaged when fitting the

solenoid retaining nut (3).

(5)

Fit the electrical connection (6).

(6)

Secure the electrical connection (6) with the securing screw (5).

(7)

Cover the head of the electrical connection securing screw (5) with silicone compound.

Follow on tasks

(1)

Switch the battery shutoff switch to the on position.

(2)

Check the operation of the system under repair in accordance with the operator's manual

TM 5-5420-279-10.

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