TM 11-6720-239-35
symptoms of, and remedies for, the most common
Tools and test
equipment
Mfr part No.
4-3, key
Used to
troubles that may be encountered in the camera.
113931
Universal riveter
Fasten metal rivets
A
b. Preliminary Check. Before disassembling any
120509
Cover brace guide
Brace rivet end
B
parts of the camera, conduct a thorough and
anvil
during fastening
c
practical test to determine the conditions that
Insert and remove
169451
RF./VF. pin
inserter and
rangefinder hinge
might exist. Examine the section believed to be
remover
pins
causing the trouble and note the following, where
169455
Pivot stud remover
Affix and remove
D
applicable:
the pivot studs
and inserter
(1) Response of shutter action.
Shutter screwdriver
169448
E
Remove shutter
(2) Operational test for accuracy of the opti-
screws and cable
cal system.
release cover
Rear lens remover
169456
F
Unscrew rear lens
(3) Binding of mechanical components.
and retainer
c. Sluggish or Stiff Operation. Sluggishness in
Front lens remover
Expand bezel rings
169446
G
& focusing tool
the mechanism may be caused by foreign matter
& retainers for
lens removal
lodged in the mechanism. Stiffness in the operat-
169449
Shutter release
H
Remove bezel from
ing controls may be caused by dust or dirt on the
bezel remover
camera body
bearing surfaces.
Bend tabs on
169447
J
Bellows pliers &
pad
camera back
frame
Required
K
169454
Focus bar rivet
Remove offset
rivets on focus
remover
a. General. The chart in b below lists the special
bar assembly
tools and test equipment required for trouble-
L
Insert & round
Focus bar rivet
169442
shooting Camera Set, Still Picture KS-101A. If a
inserter
focus bar rivets
tool listed in the chart is not on hand, and the
M
159450
Link pivot
Remove link pivots
means for making it are available, refer to figure
from erecting
remover
assembly
tools.
N
169489
Insert & round
Link pivot
the link pivots
inserter
P
169453B
Check proper travel
Go-no-Go gauge
b. Special Tools and Test Equipment.
distance of com-
Tools and test
ponents Eg:
equipment
Mfr part No.
U8ed to
4-3, key
shutter release
502A
button
Check proper
None
Tektronics or
shutter speed
equivalent
action
TROUBLESHOOTING CHARTS
Section Il.
camera. Use the chart ( b below) as a guide to
a. General. Usually, the general area of trouble
help sectionalize or localize the trouble.
will be obvious from the normal operation of the
b. Camera Troubleshooting Chart.
Symptom
Probable trouble
Corrections
Bent, broken, or cracked parts. --------
Damage to an assembly ---------------
Refer to troubleshooting chart for assembly.
Bellows light leaks ---------------------
Damaged bellows . . . . . . . --------------
Replace bellows (para 3-7 and 3-14).
Defective light seal ___________________
Replace light seal. Refer to instructions
for assembly in which obviously defective
light seal is located.
Inoperative shutter ___________________
Replace B1.
Dead or leaking battery Be____________
Clean battery terminals (para 3-10).
Corroded battery terminals ____________
Refer to shutter troubleshooting chart
Defective shutter --------- ___________
Inoperative flashgun --_,---------------
Replace battery B2.
Dead or leaking battery Be-- _ . . .._.. __
Refer to flashgun troubleshooting chart
D e f e c t i v e flashgun --------------------
(para 2-5 c ).
Refer to shutter troubleshooting chart (para
D e f e c t i v e shutter ---------------------
