TM 11-6625-255-14/TO 33A1-13-170-1
groove pulley 0 14; attach it with the No. 4-40
shaft bearing spacer E33. Press out disk shaft
screw.
bearing 0 1, disk shaft bearing spacer E33, and
NOTE
dial shaft bearing 0 11; use a suitable press.
If drive cables are to be replaced when
(12) Loosen the setscrew that attaches dial
groove pulley 0 14 and flat pulley 0 13
shaft bearing spacer E32. Press out dial shaft
have not been removed from drive shaft
bearing 0 11, dial shaft bearing spacer E32, and
0 22, refer to paragraph 7-11.
dial shaft bearing 0 12, use a suitable press.
b. Reassembly. Reassemble the capacitor drive
(8) Seat front drive cable 0 21 in the groove
assembly (fig. 7-10) as follows:
of the small section of cone pulley 0 19. Run the
(1) Press in dial shaft bearing 0 12; use a
cable over the top of cone pulley 0 19 and wrap it
suitable press. Replace dial shaft bearing spacer
counterclockwise one complete turn around idler
E32. Press in dial shaft bearing 0 11; use a
pulley 0 15. Pass the cable through the groove in
suitable press. Tighten the setscrew that secures
the front of the bearing support in the mounting
dial shaft bearing spacer E32.
chassis. Wrap the cable counterclockwise around
(2) Press in coupler shaft bearing 0 10; use a
flat pulley 0 13 and attach it with the No. 4-40
suitable press. Replace disk shaft bearing spacer
screw.
E33. Press in disk shaft bearing 0 1; use a suitable
(9) Rotate capacitor C13 to the fully opened
press. Tighten the setscrew that secures disk
position. Turn drive shaft 0 22 clockwise until the
shaft bearing spacer E33.
stop screw in dial hub 0 9 butts against the screw
(3) Replace idler shaft 0 7 and tighten the at-
extending through the front of the mounting
taching setscrew. Place idler pulley 0 15 on idler
chassis. Hold the shaft in this position and turn
shaft 0 7.
groove pulley 0 14 until the slack is removed from
(4) Slide bearing washer 0 62 and cone pulley
back drive cable 0 20. Tighten the setscrew that
0 19 over the end of coupler shaft 0 8, and tighten
attaches groove pulley 0 14.
(10) Place torsion spring A2 over the end of
the setscrew that attaches cone pulley 0 19.
drive shaft 022 and seat the spring end in the hole
Position coupler 0 5 on the mounting bar of cone
pulley 0 19 and attach it with the two screws,
in flat pulley 0 13. Place drive shaft collar 0 6 over
the end of drive shaft 0 22 and seat the end of the
lockwashers, and nuts. Coat coupler shaft 0 8
spring in the hole in the bottom of the collar.
with oil (OAI) and replace coupler shaft collar 0 4
over the end of coupler shaft 0 8. Hold cone pulley
(11) Check to see that capacitor C13 is still in
the fully opened position. Hold drive shaft 0 22
019 and coupler shaft collar 0 4 firmly against the
fully clockwise, and rotate flat pulley 0 13
bearing washers and tighten the two setscrews
counterclockwise until the slack is removed from
that attach coupler shaft collar 0 4.
front drive cable 0 21. Still holding drive shaft 0
(5) Slide capacitor C13 into coupler 0 5.
Rotate the plates of capacitor C13 to the fully
22 fully clockwise, rotate drive shaft collar 0 6
counterclockwise until all slack is removed from
meshed position. Align the mark on coupler 0 5
with the mark on capacitor C 13 made during
both drive cables. Rotate dial shaft collar 0 6 an
disassembly, and tighten the setscrew. If a new
additional one-half turn counterclockwise to
coupler or capacitor is being installed, with the
tighten torsion spring A2; tighten the two set-
capacitor plates fully meshed, line up the heads of
screws.
the screws, used to attach coupler 0 5 to coupler
NOTE
shaft 0 8, horizontal with the top edge of capacitor
Drive shaft collar 0 6 may be turned by
C13. Attach the three mounting brackets A62 to
inserting an Allen wrench in one of the
the mounting chassis; use a No. 6-32 binder-head
setscrews. Hold the wrench so that
screw and lockwasher for each bracket.
when the spring is tightened the wrench
(6) Replace dial hub 0 9 on drive shaft 0 22
can be turned with the thumb to tighten
and securely tighten the dial stop screw. Place
the setscrew.
bearing washer 0 60 on drive shaft 0 22. Coat
(12) Replace lampholder XI 1 (XDS2) and
drive shaft 022 with oil (OAI) and insert the shaft
secure it with the No. 6-32 screw. Run the wires
through drive shaft bearings 0 11 and 0 12. Place
down the back of the mounting chassis and attach
bearing washer 0 63, groove pulley 0 14, and flat
them with cable clamps H60 and H61. Coat dial
pulley 0 13 on drive shaft 0 22. Do not tighten the
shaft 0 3 with oil (OAI) and replace it in the
setscrews in groove pulley 0 14
mounting chassis.
(7) Set back drive cable 0 20 in the groove of
(13) Rotate drive shaft 0 22 fully clockwise.
the large section of cone pulley 0 19. Bring it
Position frequency dial A5 on dial hub 0 9 so that
under the pulley and wrap it clockwise around
7-13
