TM 3-3610-286-20
2-61.
Chain Sprocket Assembly (cont).
b. Repair. (figure 2-138)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
2-312
Remove retaining ring (1), bearing (2), and retaining ring (3), from bolt (4).
Remove four socket-head cap screws (5) and separate eccentric disk (6) from
sprocket (7).
Remove two ribbed nails (8) and separate indicator plate (9) and two powder spray
cams (10).
Replace frozen or binding bearing, worn cams, damaged or deformed sprocket, bent or
missing tacho dynamo drive shaft. Replace worn or unreadable indicator plate and worn
eccentric disk.
Assemblie indicator plate (9) and two powder spray cams (10), and replace two ribbed
nails (8).
Assemble eccentric disk (6) to sprocket (7) and replace four socket-head cap
screws (5).
Replace retaining ring (3) and bearing (2) on bolt (4).
Replace bolt (4) into sprocket (7) and replace retaining ring (1).
Remove and tag two white wires from tacho dynamo (from feeder suppression/hour meter)
and remove and tag two red wires from tacho dynamo (from sensor) and replace tacho
dynamo if defective.
Replace two tagged red and two tagged white wires to tacho dynamo and remove tags.
