Troubleshooting FRU Replacement Coolant Distribution Unit (CDU

Sight Tube Kit

(360-966-15)

WARNING

Turn off and Lockout/Tagout (LOTO) power before servicing.

Tools Required:

11/16" wrenche or adjustable wrenche

5/8" wrenche or adjustable wrenche

Procedure:

1. Remove the old sight tube by loosening and removing the 2 swaglock elbows from tank stub tubes using an 11/16 and 5/8 wrench.

2. To assemble the new tube you need to remove one side of each new swagelock elbow. The other side of the elbow you need to take apart and reassemble as follows.

a. Slide the nut portion on the tube with the threads facing the ends of the tube.

b. Install the brass back ferrule on next with the wider part on first.

c. Install the TEFLON front ferrule next with the larger end going on first. Note you are not using the brass front ferrule on the tube you are replacing it with the Teflon one.

See drawing below for an example.

d. Install brass insert into each end of tube.

e. Assemble the elbow pieces to each end of the tube until they are hand tight.

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f. Slide the other end of the elbows onto the tank stub tubes and tighten finger tight. With the wrenches hold the elbows straight and tighten the nut about and

1/8 of a turn no more than a ¼ of a turn.

g. Tighten the nuts on the tube side 1 ¼ turns from hand tight.

Back ferrule Front ferrule

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