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3. Remove two dowel pins in cam follower
mounting plate (Figure 4-12).
4. Remove four mounting screws (Figure 4-12).
5. Separate cam follower assembly from punch
unit.
6. Assemble in reverse order.
Service Checks
With the cam follower unit removed from the punch
unit check:
1. That the four collars on the pivot shaft are
tight against inner race of the pivot bearings.
2. That set screws holding cam follower pivot
shaft, interposer bail pivot studs, and interposer
setup bail pivot shaft are tight.
3. That nuts on all cam follower bearing shafts
and interposer setup bail pivot studs are tight.
4. For wear, fretting corrosion, or lack of lubri-
cation of all parts.
• 004" to .013"
OVERTHROW
Cam Follower Assembly Timing
1. Use the timing rod to line up the timing holes
in the cams with the hole in the punch unit left side
frame.
0
2. Set the punch index at 0 .
Interposer Setup Bail Adjustment (Figure 4-11)
1. Remove punch unit from machine.
2. Remove punch magnet unit from punch unit.
3. Remove stripper assembly.
NOTE: Mark or scribe a line on both ends and one
side of stripper assembly to maintain punch regis-
tration when replacing on punch unit.
4. Set the drive unit on a flat surface and place
gage
(PiN
600914) as close as possible to the right
side frame.
5. Turn punch unit camshaft until setup bail rests
on top of the gage
(PiN
600914) (Figure4-11). Make
a note of the index setting .
.005" to .010"
.005" to .013"-+-<H
.OG2" to .004"
ARMATURE - - - - " "
ARMATURE
---\~~~~~fFr(
: PIVOT ROD
YOKE----~
'TT--'
.003"
.006"
INTERPOSER GUIDE BAR
PUNCH DRIVE BAIL ..
PUNCH BAIL
It-JTERPOSER-----T---~~\Y
qUIDE BAR
~:::~r~~::;=:;~~~f~-~=~--·
INSERT.
007"
atAMPI NG SCREW
b
FEELER GAGE
INTERPOSER GUIDE BAR
ADJUSTI NG SCREW
Figure 4-15. Punch Unit Adjustments
PU
NC~TAI
NER
PLATE·
PUNCH RESTORING BAIL
4-13
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