TM 32-5835-005-14 & P
(c) Working from the top opening with
(n) To check belt tension, either
tweezers, remove old belt from motor
pulley maybe used. A small right
and take-up pulleys.
angle bend in the scale's rod will make
the following test simpler.
(d) Replace new belt carefully to
prevent nicking the soft rubber. The
(o) Set pulley such that " holes on
take-up pulley is positioned closest
outer edge are parallel with work area
to deck. The upper pulley is used
and hook scale in one hole of upper pulley.
for the counter drive belt.
(p) While holding lower pulley fixed,
(e) Reposition transport such that
pull slowly on scale straight up and
supply reel motor (See Fig. 5-1.) is up
note dial reading as pulley just starts
and drive pulleys are facing operator.
to turn. The scale should read about
7 ozs.
(f) With the point of the tweezers,
rotate the End-Of-Tape sense disc (See
(q) If belt tension needs adjustment,
Fig. 5-1.) until the large slot is posi-
loosen capstan and reel motor mount
tioned to 11 o'clock.
screws with a #1 Phillips screwdriver
and secure proper belt tension.
(g) Reach past disc with tweezers
(r) Replace optical disc cover with
and pull rubber belt through the large
two (2) screws, lockwashers and flat-
slot. This will force the belt to be
washers. Use a #1 Phillips and ensure
captured on edge of slot.
that optical disc spins freely in photo-
transistor gap.
(h) Rotate disc clockwise once
around using point of tweezers. The
(s) Replace transport being certain
belt will follow the slot around and
cassette mode switch is in LOAD/UNLOAD
unwind from pulley.
position.
Guide flat spring guides
over front panel lip.
(i) Remove belt through top opening
from the motor pulley.
(t) Engage four front panel slotted
screws.
(j) Reinstall new belt by looping
around motor pulley and the stop nut on
(u) Place cassette mode switch in
the disc. Use care not to nick the
STANDBY.
new belt.
(v) Tighten four (4) front panel
(k) Rotate disc such that slot is at
screws down such that rubber pinch
11 o'clock and push belt through slot
rollers clear capstans by 1/64". This
with tweezers.
assures adequate operation of the STAND-
BY control.
(l) Rotate disc clockwise one turn
and rubber belt will thread itself
(w) Test all functions.
on pulley under disc.
(x) Replace top cover.
(m) Ensure that belt passes over
motor pulley and is seated properly
8-19. Reel Drive Belt Replacement.
around supply reel pulley.
(a) Repeat paragraph 8-18, steps a
(n) Return to paragraph 8-18 and
through f.
complete steps s through x.
(b) Place transport on its side with
take-up reel rotor (See Fig. 5-1.) up
and head assembly to the right and facing
operator.
8-9
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