REPLACE FORWARD TRANSMISSION OIL COOLER BYPASS VALVE (Continued)

TM-55-1520-240-23-5 CH-47D Heilcopter Manual
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TM 55-1520-240-23-5 6-112.1 REPLACE FORWARD TRANSMISSION OIL COOLER BYPASS VALVE (Continued) 6-112.1 INSTALL VALVE 6. Coat packing (6) and thread of bypass valve (5) with oil (E254). Install packing on valve. 7. Install valve (5) in oil cooler (2). Torque valve to 80 inch-pounds. 8. Lockwire valve (5) to nipple (7). Use lockwire (E231). INSPECT FOLLOW-ON MAINTENANCE: Install forward transmission drip pan (Task 2-3). Close left forward transmission fairing (Task 2-2). Service forward transmission (Task 1-54). END OF TASK 6-437

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