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![]() TM 9-2320-363-20-2 
CTIS PNEUMATIC CONTROL UNIT MAINTENANCE (CONT) 
6. 
REMOVE SIX SCREWS (23) AND LIFT COVER 
(24) WITH GASKET OFF OF PCU (14). 
7. 
REMOVE HARNESS NUT (25) AND HARNESS 
CONNECTOR (26) FROM COVER (24). 
8. 
REMOVE 
AND 
DISCARD 
PREFORMED 
PACKING (27) FROM HARNESS CONNECTOR 
(26). 
9. 
REMOVE AND DISCARD GASKET (28) FROM 
COVER (24). 
10. 
REMOVE PRESSURE TRANSDUCER (6). 
11. 
REMOVE NUT (29), METAL GASKET (30), AND 
SOLENOID PROTECTOR (31) FROM EACH 
SOLENOID (32). 
12. 
TAG AND REMOVE EACH SOLENOID (32) 
FROM SPOOL (33). 
13. 
REMOVE RELIEF VALVE (34). 
CLEANING/INSPECTION 
Clean and inspect all parts in accordance with Chapter 2. 
4-604.8 Change 3 
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