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CUSTOMER SERVICE GROUP
BULLETIN NUMBER:
APPLICABLE MODEL: FT6655/6665
SUBJECT:
TANDEM TRAY DRIVE MECHANISM
SYMPTOM:
The tandem Tray timing belt slips on the pulley.
CAUSE:
If the paper is not set square in the left tandem tray, excessive friction load is applied to the left tray drive
mechanism.
SOLUTION:
To prevent this, the tensioning method has been changed from the use of a fixed pulley to a movable one.
The spring (#16) has also been changed.
OLD PART NO. NEW PART NO.
A0966670
A0976550
AA060542
AA060534
AA066559
* DENOTES NEW ITEM
UNITS AFFECTED:
Not available at time of publication.
INTERCHANGEABILITY CHART:
OLD and NEW parts can be used in both OLD and
0
NEW machines.
NEW parts can be used in OLD and NEW machines.
1
OLD parts CAN NOT be used in NEW machines.
Must be installed as a set on units manufactured prior to the S/N cut-in. On units manufactured aft
3/S
previously modified, use the new part numbers individually.
TECHNICAL SERVICE BULLETIN
6645/6655/6665 - 052
# 30 - Tension Spring
New Movable Pulley Tensioning
DESCRIPTION
Tightener
Timing Belt Roller
Tray Lock Spring
Tension Spring
Tension Spring
# 24
QTY
1 → 1
1 → 1
0 → 1
NEW parts CAN NOT be used in OLD machines.
2
OLD parts can be used in OLD and NEW machines.
OLD parts CAN NOT be used in NEW machines.
3
NEW parts CAN NOT be used in OLD machines.
2/7/96
# 16
Left End Fence
REFERENCE
INT
PAGE
ITEM
3/S
47
24
3/S
47
24
3/S
47
16
3/S
47
16
3/S
47
30*
er the S/N cut-in or
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