Space Belt Tension Adjustment - Atari 1025 Field Service Manual

SPACE
BELT TENSION ADJUSTMENT
EQUIPMENT
•
#2-200
Phillips
screwdriver
• 300g Stick Pressure
Gauge
PROCEDURE
If
you replace the space motor
or the space
belt,
you need
to adjust the tension
of
the space
belt.
• Follow disassembly procedures
(pages 4-6
or 4-8) for replacing the space
motor
or
space
belt.
• Adjust the tension by
moving
the
idle
pulley bracket
in
either direction so
that the tension
is
between
80 and 140 g
when
the space
belt
is
depressed
5
mm
at
the point
illustrated
below
in
Figure
4-5.
•
Follow
the assembly procedure
on,
pages
4-6 or
4-8.
Figure
4-5. Space
Belt Tension Adjustment
•
You
also
need
now
to
determine
that the
first
character
printing position
is
accurate
(see Figure
4-9).
If it
is
not, follow the procedure
for that
adjustment on page
4-8.
SPACE BELT REPLACEMENT
Disassembly
• Follow
the
UPPER COVER
DISASSEMBLY
procedure, page
4-1.
•
Loosen
the space motor's
mounting screws
(Figure
4-4, #19).
Move
the
motor
to loosen the
space
belt.
Atari 1025 Printer
Field Service Manual
4-4