TM 5-3740-218-13&P
ROTARY ATOMIZER ASSEMBLY REPAIR (CONT)
B.
DISASSEMBLY
(1)
Remove three screws (1) and cotter pin (2). Discard cotter pin.
(2)
Loosen castle nut (3) and unscrew at least three complete turns until end of shaft (4) below top of castle
is
nut (3).
(3)
Tap end of castle nut (3) with plastic or rubber mallet to release collet (5). When sleeve assembly (6)
loosens, remove castle nut (3) and slide sleeve assembly (6) off shaft (4).
(4)
Remove collet (5), which will be on shaft end or inside sleeve assembly (6).
CAUTION
Snap ring will spring off shaft when removed. Be careful not to lose snap ring
during removal.
(5)
Remove O-ring (7) from shaft (4). Slide front seal (8) off shaft (4).
(6)
Remove four screws (9) that secure disperser body (10) to motor assembly (11). Separate disperser body
from motor assembly.
(7)
Using snap ring pliers, remove retaining ring (12) from outer end of disperser body (10).
(8)
Using screwdriver, rod, or dowel inserted against slotted end of shaft (4), tap lightly on shaft to drive shaft
out of disperser body (10) outer end. Slide plate seal (13) off shaft (4).
CAUTION
Do not bend retaining ring when removing. Open retaining ring only enough to
slide off shaft.
(9)
Using small snap ring pliers, remove retaining ring (14) from shaft (4).
(10)
Slide bearing support washer (15) off shaft (4). Use press or bearing puller to remove sealed bearing (16)
from shaft (4).
(11)
Remove bearing seal (17) and impact washer (18) from disperser body (10).
4-138