TM-9-1240-216-34 Maintenance Manual M19 and M24 Persicope Download

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TM 9-1240-216-34 3-2. BODY ASSEMBLY INSPECTION UPON RECEIPT (CONT) FRAME 4 Step 1. 2. 3. 4. Procedure Check that two wing knobs (1) are held to two locking screws (2) with two pins (3). Turn two wing knobs (1) counterclockwise to loosen two locking screws (2). Check that headrest frame (4) moves freely on mounting bracket (5). Check sliding surfaces and two ball bearings ( 6 ) for cleanliness and lubrication. Turn wing knobs ( 1 ) clockwise to tighten locking screws (2) and check for stripped threads. GO TO FRAME 5 Maintenance Action Replace if damaged or missing. Repair or replace if damaged. Clean and lubricate. Replace if damaged or missing. Reference Para 4-3 Para 4-3 JPG 41C Para 4-3 Vol II Para 3-2 Cont 3-5/( 3-6 blank)