TM 5-3740-218-13&P
ROTARY ATOMIZER ASSEMBLY REPAIR (CONT)
C.
ASSEMBLY
(1)
Install new motor gasket (1) on motor body (2). Secure transition plate (3) to motor using two screws (4)
.
(2)
Slide coupling (5) onto motor assembly shaft (6), aligning rear pin holes.
(3)
Install rear pin (7), ensuring pin ends are flush with coupling (5) outer surface. File off excess pin ends as
required.
(4)
Install impact washer (8) on disperser body (9).
(5)
Slide disperser body (9) over coupling (5) and secure using four screws (10). Make sure shaft (11) slotted
end slides over front pin in coupling.
(6)
Install sealed bearing (12) on shaft (11). Lower shaft and bearing assembly into dispe er body (9) until
rs
sealed bearing (12) is fully seated.
(7)
Insert bearing seal (13) into disperser body (9) and push down around bearing outer race. Install bearing
support washer (14).
(8)
Pack plate seal (15) recess with Beeco seal grease (item 20, Appendix E). Slide plate seal (15) down shaft
(11) with recessed, greased side of plate seal toward sealed bearing (12).
(9)
Press plate seal (15) down to expose groove for retaining ring (16). Install retaining ring (16).
(10)
Position retaining ring (17) with flat surface against plate seal (15) and tapered surface facing up. Using
small snap ring pliers, insert retaining ring (17) in disperser body (9) groove.
(11)
Install front seal (18) with thin lip of front seal facing plate seal (15). Install O-ring (19).
(12)
Push collet (20) onto shaft (11) until collet reaches stop. Verify that cotter pin (21) hole is exposed.
(13)
Slide sleeve assembly (22) on shaft (11) over collet (20) until threads can be seen. Make sure rear opening
slips over disperser body (9).
(14)
Install three screws (23).
(15)
Install castle nut (24) and hand-tighten.
(16)
Using wrench, tighten castle nut (24) until slot on castle nut is aligned with cotter pin (21) hole. Install new
cotter pin (21).
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