Heathkit AR-14 - Page 34

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2
Page 26
GEAR
BRACKET
/
8-32x1 / 4"
SETSCREW
TJNER \
SHAFT B
)
{i
! ~ ANTI-BACKLASH
V GEAR
, / -----: ~'.
~{~~/
----- ;
........._ DIAL
........._ PULLEY
DRIVE GEAR
SHA FT
BUSHING
OPENING
Detail 17D
I
I
Q 8-32x3 / 16"
SETSCREW
Refer to Detail 17D for the following steps.
( ) Start an 8-32 x 1/ 4" setscrew in the anti-
backlash gear.
• 6 LOCK
a 6x1 / 4" SHE
METAL SCRE
~·ff@iff&Q
( ) Start the gear on the tuner shaft. While
holding the gear firmly with one hand , ro-
tate the back half of the gear one notch
with a screwdriver. See the inset draw-
ing on Detail 17D. Hold the gear in this
position, and then slide it onto the tuner
shaft until the gears mesh. Position the g ear
flush with the end of the shaft and tighten the
setscrew.
( ) Start an 8-32 x 3/ 16" setscrew in the dial
pulley bushing.
Rotate the drive gear shaft fully clockwise •
Install the dial pulley on the drive gear
shaft; the bushing should be pointed to-
ward the shaft, and the opening in the
pulley should be pointed down, as shown.
The bushing should just clear the gear
bracket. Tighten the setscrew.
Refer to Pictorial 18 for the following steps.
( ) Remove the four sheet metal screws that
fasten the right end panel to the control
panel and rear panel. Remove the panel and
set it and the screws aside temporarily.
✓
~~
I ■ 6x 1 / 2"
, SHEET MET AL
/ SCR EW
u6 x 1 / 4"
SHE ET M ETA L
SCR EW
P_ICTORIAL 18
I