SECTION 573-127-703
3.07
Code Reading Contacts (continued)
(A) CONTACT SENSING ARM- UP-STOP
CLEARANCE
To Check
Rotate main shaft until sensing arms
are in their highest positions. Engage
clutch. Select a LETTERS combination.
Requirement
UPPER
CONTACT
LEAF
Min some---Max 0.008
clearance between upper contact leaf
and its backstop.
To Adjust
Loosen nut that secures the eccentric
up-stop to the front plate. Turn the
eccentric to meet requirement. {High
part of the eccentric should be toward
the left.) Retighten eccentric nut.
(B) SENSING ARM- TRANSFER LEVER
ALIGNMENT
To Check
Trip clutch. Select BLANK combination.
Requirement
Sensing arms must engage a minimum of
2 /3 of their respective transfer levers.
To Adjust
Add TP8896 shims between plate as
sembly and the split bail spacer to meet
requirement. (Store remaining shims
under flat washer at end of split bail
eccentric screw.)
(C) SENSING ARM SPRING
To Check
Disengage clutch.
Requirement
Min 2 -1/2 oz---Max 3-1/2
to start sensing arm moving.
Page 40
BACKSTOP
CONTACT
(Front Views)
SENSING ARM
TRANSFER
LEVER
SPLIT BAIL
SPLIT BAIL
ECCENTRIC
{D) SPLIT BAIL ECCENTRIC
To Check
Trip clutch. Select BLANK combina
tion. Check clearance between closest
transfer lever and its associated
sensing arm.
Requirement
0.005 inch---Max 0.010 inch
To Adjust
Loosen split bail eccentric locknut.
Rotate split bail eccentric to meet
requirement. Retighten locknut.
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