TEST SWIVEL HOUSING AND SPINDLE (AVIM) (Continued)

TEST SWIVEL HOUSING AND SPINDLE (AVIM) (Continued) - TM-55-1520-240-23-3_186

TEST SWIVEL HOUSING AND SPINDLE (AVIM) (Continued) - TM-55-1520-240-23-3_188

TM-55-1520-240-23-3 CH-47D Heilcopter Manual
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TM 55-1520-240-23-3 3-64 TEST SWIVEL HOUSING AND SPINDLE (AVIM) (Continued) 3-64 14. Remove elbow (17), union (18), and packing (19) from lower locking actuator port (20). 15. Check locking and centering as follows: a. Connect test stand to test setup. b. Connect fitting (21) on test setup reduced pressure hose to cam follower port (3). c. Connect fitting (22) on other test setup hose to lower locking actuator port (20). d. Close pressure restrictor (23). e. Close shutoff valve (9). f. Apply 3000 psi pressure to lower port (20). This unlocks aft landing gear (16). Open restrictor (23) slowly and apply 300 psi pressure to cam follower port (3). g. Turn spindle (15) through 30º. Release spindle. Check that spindle returns to center smoothly without binding. h. Open shutoff valve (9). 3-171

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