TM 5-3610-286-20
2-87.
Double Sheet Detector Mechanism (cont).
b. Repair. (figure 2-243)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
2-492
Remove spring tension pin (1) from pin (2) and remove pin (2) from rod head (3).
Remove shouldered screw (4), washer (5), and nut (6) and remove control lever (7)
from clamping piece (8).
Remove needle bushing (9) from control lever (7).
Removed knurled nut (10) and flat washer (11), and remove compression spring (12) and
headless screw (13) from control lever (7).
Remove bushing (14) from cam lever (15).
Remove compression spring (16) from grub screw (17)
Loosen two nuts (18) and remove grub screw (17) from cam lever (15).
Remove spring tension pin (19) and remove pin (20), bearing (21), and roller (22) from
cam lever (15).
Remove spring tension pin (23) and remove pin (24), bearing (25), and roller (26) from
control lever (7).
Remove locking rings (27) from grooved ball bearings (28).
Replace roller (29) or spacer (30) if worn or damaged.
Replace any worn or binding needle or roller bearings.
Replace any damaged or worn bushings.
Replace any broken or weak springs.
Replace locking rings (27) on grooved ball bearings (28).
Replace pin (24), bearing (25), and roller (26) on control lever (7) and replace spring
tension pin (23).
Replace pin (20), bearing (21), and roller (22) on cam lever (15) and replace spring
tension pin (19).
Replace grub screw (17) in cam lever (15) and tighten two nuts (18).
Replace compression spring (16) on grub screw (17).
