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SYMPTOM
6. #2 film guide {or self-thread
lever) does not set the mecha-
nism to thread
7. Leader or film is dimpled in
the first few inches bv the
spro.cket teeth
II: SELF-THREADING SYSTEM
PROBABLE CAUSE
1- Cam bracket. is lsose on the
#2 film guide shaft
2. Main interlocking bracket is
binding or not latching with
the release bracket hook
REMEDY
1. Re-position and tighten
(See Sec 5-5-B4l
7. Check & adiust
(See Sec 5-5-B)
8. Leader iams
guide
in the #1 film
9. Tip
of
the leader enters
underneath the inner guide
rail
10. Film does not thread through
the gate, and jams
1 . Film is inserted with the
sprccket holes opposite the
sprocket teeth
2. Not enough clearance be-
tween the sprockel plate and
the fiim shce
3. Film path and #2 sprccket
drive out of alignment
4. Film teader too sofit
l. Film
leadcr not trimmed
properly
2. End of film is severely curled,
.
.
1
or twrstedl
3. Very soft'leader
4. +1 film guide shaft loose or
bent
5. Aperture plate assembly rnis-
aligned.
-1.
Inner guide rail bent or nof
aligned correctly
2. Loose guidc rail screws
3. Film
leader end severely
curled or twisted.
1. Re-insert the film correctly
2. Check & adiust
(See Sec 5-5-81).
3. Check alignrnent. of the ten-
sion guide rollers
(See Sec 5-5-86)
4. Check with
anothcr fiIm
leader.
-l
. Trim and repeat threading
2. Straighten and re-thread
3. R.eplace leader
4. Re-align and check.
(See Sec 5-5-82)
5. Rc-align and chBck
{See Sec 4-f }. ,
l. Af ign or replace
(Sec Sec 4-5)
2. Tighten {See Sec 4-5)
3. Trim and re-thread
1. Film leader not trimmed
properly
2. Leadcr is severely curled or
twisted, or too soft
3- Too much t #'l
film
shoc
clearance
4. Dirty and obstrusted
garc
5. lnsufficient side travel
inner guide rail
af the
6. Side pressure spring tension
too strong
7. Film shoe is not rctracted
during threading
1 . T r i m
2. Trim, straightcn or replace
3. Check & adiust
(See Sec.5-5"81)
4- Clean & check
5. Check & adjust
{See Sec 4-5}
6. Check & adiust
(See Sec 45}
7. Check & adjust
(See Sec 4-5)
film
- 5 -
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