Table 2-1. Operator/Crew Preventive Maintenance Checks and Services (PMCS) (continued)
Not Fully Mission
Check for loose or binding handle (1):
Handle is missing or inoperative. Rear
guide assembly will not operate.
Rotate handle (1).
Move rear guide (2) to its fullest
open and closed positions. Rear
guide (2) and handle (1) should move
Inspect rear guide assembly for
cracks, bends, or broken welds.
Front Pin Lock
a. Check locking mechanism (1) for
a. Front pin lock is damaged or has
damaged or missing parts.
b. Check front pin lock wear pad (2) for
excessive wear. Notify Unit maintenance
to turn over wear pad (2) if it is worn to
within 1/16 inch (1.59 mm) of screw
heads, or if top edge is worn down to
1/16 inch (1.59 mm) of metal contact. If
bottom edge has already been worn down,
notify Unit maintenance to replace wear
c. Pull locking handle (3) to see if
c. Front pin lock does not engage.