HORIZONTAL
Figure 2-5. Latch Assembly Plate Alignment
latched condition (Figure 2-4B).
NOTE: Be sure to keep plate against locating block.
8. Loosen locating block mounting screws and
position locating block as far right (ear of locating
block against the plate) as possible. Lock mounting
screws.
9. Adjust eccentric keeper stop stud to obtain
. 000" to .. 020" between clutch drive arm and latch
~er
(Figure 2-4C) at latch time.
10. Check for .002" clearance between the step on
the ratchet and detent (backlash) with clutch engaged.
If
there is more than .002" clearl;l,nce replace with a
. longer detent.
"
N9TE: Seven new detents'
(PIN
609737 through
609743 are available.
These detents are
e~ched
1
through 7. Detent#l is .002" longer than·the original
'alld #2 is .002" longer than #1. etc.
Clutch
Timin~
Thi/:l adjustment insures that the read feed dynamic
timer is in time with the clutch at engaging time.
1. Block the clutch armature attracted.
2. Crapk machine and listen or feel for latch
keeper to fall behind &-ive arm. This should happen
at 315
0
±
10.
.
.
0
0
3. If the index is not at 315
±
1 when the latch
keeper falls behind the drive arm,loosen the clamped
.
0
hub on the index drive shaft and.,turn the index to 315 .
4. Tighten the clamped hub.
5. If the timer index is moved,
the
brush timing
and CB timing will have to be checked.
Clutch Pulley Assembly Removal (Figure 2-6)
The clutch pulley includes the dogs wd arms that
operate them. Remove the pulley as follows:
1. If the same clutch assembly is to be used, spot
mark the clutch pulley and 'the picker knife cam shaft
pulley to the belt. (This is
to
retain RLCB's, Solar
CB, and picker knife timing.)
2-4
2. Remove file feed drive belt.
3. Loosen idler for clutch pulley belt.
4. Remove grease fitting on ends of clutch shaft.
5. Loosen retaining clamp and remove clamp and
file feed drive pulley together.
6. Remove clutch pulley drive belt.
7. Remove clutch pulley assembly.
It may be
necessary to loosen V-belt input pulley and move it
towards the end of its shaft.
Clutch Pulley Assembly Installation
When a new clutch pulley assembly is installed, the
entire procedure listed under Clutch Adjustment
should be performed after the following steps have
been completed:
1. Be certain that two thrust bearings (washers)
are on shaft against clutch ratchet.
2. Install clutch pulley, operating the arms so that
the detent and dogfitintohighdwellof ratchet.
3. Place two thrust bearings against clutch
pulley.
4. Install clutch retaining clamp (and file feed
pulley), allowing no end play of pulley.
5. Install clutch pulley belt with spot marks
lined up and adjust idler.
6. Install grease fitting and file feed drive belt.
7. Reposition V-belt input pulley, if moved .
8. Check picker knife timing. RLCB's timing. and
solar CB timing.
Clutch Drive Removal (Figure 2-6)
1. Scribe lines along one end and side of unit to
maintain'front io.,l!ear,and side to side location.
2. Remove dynamic timer index as follows:
a. Remove screw from hand crank.
b. Remove two screws from index base.
c. Loosen clamped hub on index shaft.
d. Unplug index cable.
3. RemoVe four drive belts.
a. Contact roll drive (front).
b. File feed drive (rear).
c. Motor drive (rear).
d. Clutched feed roll drive. Loosen belt
take-
up pulley bracket
(idler)~:,
; . " ... , .... ,
~
.
4. Remove clutch magti.etIeads at terminal block.
5. Remove four hex-head clutch drive assembly
mounting screws.
6. Remove assembly through rear.
Clutch Drive Installation
1. Set drive assembly in position from rear.
2. Install four drive assembly mounting screws;
do not tighten.
3. Position clutch drive assembly -on scribed
lines. Tighten mounting screws.
4. Install dynamic timer index (leave clamped hub
loose).
0
0
. '
5. Set index
to
315
±
1 • block armature and turn