7-99
HDW-750/750CE V1
6. Installing the threading arm assembly
(1) Pass the “A” portion of the S arm spring
through the hole of the new threading arm
assembly and hook it on the shaft. Then hook
the “B” portion of the S arm spring on the
spring stay.
Shaft
Threading arm assembly
Spring stay
Hole
“A” portion
“B” portion
S arm spring
Stop washer
Threading arm assembly
“B” portion of
S arm spring
Spring stay of
mechanical deck
assembly
Groove of the
S cam assembly
Bearing of S link
drawer assembly
(Apply oil after
cleaning)
Mount shaft
(Apply oil after cleaning)
(2) Pass the groove of the threading arm assem-
bly through the bearing and hook it on the
mount shaft. Then remove the “B” portion of
the S arm spring from the spring stay and re-
hook it on the spring stay of the mechanical
deck assembly.
(3) Fix the threading arm assembly with the new
stop washer.
7-30. Threading Arm Assembly Replacement