Clutch Cam Adjustment; Platen Clutch Detent Adjustment; High- And Low-Speed Clutch Adjustment - IBM 1132 Maintenance Manual

-.050
..-~~~~-~+-~
to
t--....--'T---_._ ........
~ .060
Interposer Magnet
Contact
----11
Figure 4-27. Interposer Magnet Contact
De tent
Clutch Engaging Arm
.. - Interposer
...,..,..,
__
_,
Figure 4-28. Clutch Engaging Arm
next tooth of the detent wheel (Figure 4-29). If
this condition does not exist, raise or lower the
cam plate as required.
2. Repeat adjustment 1 with the high-speed clutch
engaged. The clutch teeth should just disengage
when the face of the detent is 0. 020" from the
next tooth of the detent wheel (Figure
4-29)0
Adjust the position of the cam plate as required.
4. 7. 15 Clutch Cam Adjustment
Select the proper thickness cam to allow 0. 002" to
O. 005" clearance between the clutch teeth when the
clutch engaging arm is in its fully operated position
(Figure 4-31).
4-18 1132 FEMM (12/66)
Clutch Teeth just
separating
.010" Clearance when using
Low Speed
.020" Clearance when using
High Speed
Figure 4-29. Clutch Engaging Arm Cam Plate
Figure 4-31 gives the cam sizes available and
the distinguishing groove which is found on the hub
of the cam.
4. 7.16 Platen Clutch Detent Adjustment
A slotted hole is provided in the right side casting so
that the pivot for the platen detent lever assembly
may be shifted.
Position the pivot so that the detent pin will hold
the platen detent in alignment with the platen drive
gear when the platen clutch is operated (Figure 4-32).
4. 7. 17 High- and Low-Speed Clutch Adjustment
When parts must be replaced, the following proce-
dure should be used:
1.
File the long clutch spacers, p/n 197859, to ob-
tain 0.005" to 0.008" clearance between the clutch
teeth of both the high- and low-speed clutches
(Figure 4-33). Check at several points.