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Selectric Resources

 

Indexing

SYMPTOM

POSSIBLE CAUSE

REMEDY

REMARKS

Platen does not

rotate or index

1. Index keybutton binding

on top cover.

Form keylever or adjust machine

within covers with foot brackets

(65.-30).


2. Index keylever restoring

spring missing or dam

aged (57-36).

Replace


3. Springs on index pawl

broken (57-37).

Replace


4. Paper deflector not on

positioning studs.

Install paper deflector properly

on studs.

Paper deflector ends broken or

bent.

5. Feed rollers not in

proper holes (93-9).

Install feed rollers properly.

Check feed rollers for wear, and

cracks.

6. Index link or clevis

broken or damaged

(93-10).

Replace link or clevis; and adjust


7. Bind in index interposer

Remove binds (19-4)

Observe interposer moving to

wards the rear of machine when

index keybutton is depressed.

Platen indexes

incorrect

amount.

1. Wrong platen installed

Ratchet on platen may not match

index pawl (94-12) or detent

(94-11).


2. Platen binding on covers

Form keylever or adjust machine

within covers with foot brackets

(65-30)


3. Binds in platen bushings

and platen latches(81-13)

Clean and lubricate platen bushings.


4. Overthrow stop broken or

maladjusted.

Replace or adjust stop (93-11)

Adjustment:

1. Loosen overthrow stop - move

to front of machine.

2. Rotate index cam on high point.

3. Adjust overthrow stop to the

rear against index pawl,

leaving a slight clearance.

5. Paper too heavy or thick

Platen and feed rollers may be

worn and or old.


6. Card holder too close to

platen.

Adjust card holder for .010"

clearance between card holder

and platen.


7. Feed rolls (93-9) or

platen cracked or worn

from age.

Replace


8. Too much feed roll

tension. (93-14)

Adjust tension springs on late

level machine for less tension.


9. Index pawl springs off.

(94-13)

Replace


10. Index link or clevis

broken, damaged or

maladjusted.

Replace link and or clevis and or

adjust.

Adjustment:

1. Loosen overthrow stop (93-11)

and move it to the front of

machine.

2. Install feed rolls, platen and

paper in machine.

3. With spring hook, hold ratchet

detent (94-11) away from

platen ratchet.

4. Depress carrier return key

button.

5. Rotate machine, with turning

wheel, one complete cycle.

6. Slowly, let detent engage

ratchet, platen ratchet should

not move.

Adjust link (93-10) for no move

ment of ratchet.

After adjusting the index link,

readjust overthrow stop; For

adjustment go back to cause 4.

Carrier return

operates when

index keybutton

is depressed.

 

1. Carrier return keylever pawl (18-12) overlapped

with index keylever pawl

(18-13).

Reposition keylever pawls

correctly.


Index gets extra

cycles.

1. Index keybutton binding

on top cover.

Adjust keybutton by forming or

adjust machine within covers

with foot brackets (65-30).


2. Worn interposer latch

plate or latch.

Replace latch plate (30-28) or

latch (30-29).


3. Interposer restoring bail

not transferring enough

motion to index inter

poser.

Adjust restoring bail (29-26) by

forming adjustable lugs (29-27) so

interposer (19-4) will overthrow

latch plate (30-28).


4. Not enough bite on clutch

release arm.

Adjust function cams (95-15) to

the left to provide more bite for

clutch release arm.


5. Index keylever pawl and

carrier return keylever

pawl overlapped.

Reposition index keylever pawl

(18-13) and carrier return pawl

(18-12) to correct positions.