CONCORD 107 - TROUBLESHOOTING GUIDE (continued); Advanced Performance Issues

FIG.
2
TOP
VIEW OF
MECHANISM WITH
COVERS
REMOVED
(
ITEMS
49-611
TROU
BLE
CHART
(
CON'T. I
Sym
ptom
Cause
Remedy
Poor rewind. 1.
2.
3.
4.
Rewind
idler
wheels
(29)
worn.
Rewind idlerwheel tension spring
weak
or
broken.
Drtving
surfaces oily.
ReeI
hub,
shaft
bearing, and
idler
wheels
(29)
insufficiently
lubricated.
Replace.
ff weak,
shortenl
if
broken,
r€-
place.
Clean with
alcohol.
Clean
and
lubricate.
3a
oo
E=
'o
Q€
t.
2.
3.
4.
Faulty
brake.
I.
2.
t.
2.
Tension spring
(22)
loose
or
broken.
Oily
parts.
Shorten
or
replace.
Clean
with
alcohol.
No
takeup. l.
2.
3.
Rotating
parts
binding.
Idler wheel
(42),
motor
pulley,
and
friction roller
olly.
Reel
does
not rotate.
Clean and
lubricate.
Clean udth
alcohol.
Replace the felt
on
the
bottom of
the reel
hub.
t.
2.
3.
No fast
d.
Idler
wheel
(42)
does not
contact the
motor
pulley.
Idler
wheel
(42)
or
reel
hub
(38)
bind-
ing
due to
lack of
lubrication.
Adiust
the
fast
forward adjusting
cam
(45)
to leave
the
idler
wheel
advance
farther.
Remove,
clean,
and
lubricate.
2.
2.
Speed
too slow. t.
2.
Motor
pulley,
idler
wheels
(42),
or
fly-
wheel
(46)
sfipping.
Too much
tension on ldler
wheel ten-
sion spring
(37)
or
pressure
roller
tension
spring.
Clean with
aleohol.
Lengthen
the
spring.
l.
2.
Wow
or
flutter.
PAGE 5
l.
Motor
defective.
2.
Oily
rotating
parts.
3. Defectlve
pressure
roller
(6).
4.
Take-up idler
wheel
(42)
defective.
5. Defectlve
flywheel bearing.
6. Lack
of lubrication
on rotating
parts.
7. Capstan hotding
screw
(
62)
Ioose.
l.
Replace.
2.
Clean with
alcohol.
3.
Repl,ace
pressure
roller
(6).
4.
Replace
take-up
idler
wtreel
(42).
5.
Replace
bearing.
6.
Lubricate
rotating
parts.
7.
Tighten
holding
screw
(
62
).
-Tl
o
E7
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