Soon enough, other companies began selling positive locking cotter pins
. Pivot Point scurried back to the drawing board (and its supply of paper clips).
Recommend that the cotter pin
be installed pointing toward the left side of the prop control arm to avoid contact with feathering detent spring.
Refer to WP4-14.4 of TM 9-2355-318-23-3 on how to remove the C-clip, Item 9, and the latch pin, Item 10, and how to replace them with retrofit latch and cotter pins
. See TACOM GPA 09020 for more info: https://tulsa.tacom.army.mil/safety/gpm/tacom_wn/gpm09-020.html
Prevent that damage by making sure the retaining nut and cotter pin
are installed on the outside of the shackle, facing away from the ramp.
With Valve 1, the trouble is usually the cotter pin
that connects the valve to the gear.
Here's what you get in the kits: Part NSN Bracket assembly 2590-01-473-2719 Ring spacer 5365-01-473-0415 Ring spacer 5365-01-473-0409 Connecting link 3040-01-472-7745 (M939/A1 kit only) Connecting link 3040-01-472-7747 (M939A2 kit only) Straight pin 5315-00-904-1634 Cotter pin
5315-00-011-9120 Cotter pin
5315-00-012-0123 Plain hex nut (2) 5310-00-891-1733 Straight pin 5315-00-140-1938 Rod end clevis 5340-00-664-7597 Machine bolt (2) 5306-01-123-0891
(G) Bolt, NSN 5306-01-037-4886 Washer, NSN 5310-00-209-0698 Nut, NSN 5310-00-834-8755 Cotter pin
, NSN 5315-00-843-0138
Discard the old hook and install the new one with its pin and cotter pin
Secure the pin in place with the new cotter pin
. Here are the parts you'll need: Size NSN Spring 5360-01-384-5338 Washer 5310-01-384-4231 Pin 5315-01-385-7871 Cotter pin