IBM System/34 Maintenance Manual page 303

Machines with New Style Tray Reinstalling the Carriage Bed Belt
,r-- '.
I
1.
Reinstall the belt
e
around the stepper motor
\,
,
Removing the Carriage Bed Belt
pulleye·
1.
Remove the carriage bed assembly (see paragraph
2.
Locate the carriage bed belt yoke. and attached
27-300). belt on the base.
",.'-
-'.
2.
Remove the two mounting screws
G
from each of
3.
Reinstall the belt shield
G.
".
the carriage bed stabilizer guide rails
0
and
remove the rails.
4.
Loosen the tightened bracket screw e to permit
the spring to set the tension.
3.
Remove the four screws
0
to remove the carriage
assembly
0
from the carriage bed belt yoke
O.
5.
Tighten the three belt tension bracket screws
O.
/----...
'.
4.
Remove the monorail
CD
from the V-slots
0
in
6. Reinstall the diskette drive assembly bezel (see
the base casting.
paragraph 27-665).
5.
Remove the diskette drive assembly bezel (see
7.
Place the ends of the monorail
CD
into the V-slots
paragraph
27-665).
o
in the base casting.
6.
Loosen the three belt tension bracket screws
O.
8.
Attach the carriage bed belt yoke. to the
carriage assembly
0
using the four screws
O.
7.
Turn the stepper motor against the belt tension
spring to release belt tension and tighten bracket
9.
Reinstall the two carriage bed stabilizer guide rails
screwe·
o
and the mounting screws
G.
Remove the belt shield
G.
r---.
8.
10.
Reinstall the carriage bed assembly (see paragraph
,
27-300).
,
..
'
9.
Lift the carriage bed belt yoke
0
and attached
belt from the base.
11.
Perform the carriage bed orient adjustment (see
paragraph 27-295).
10.
Remove the belt
e
from around the stepper
motor pulley e.
12.
Perform the carriage bed orient switch service
check (see paragraph
27-260).
13. Reinstall the 72MD unit (see paragraph 27-200).
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18
27-255