Elmo st-I200, Service Manual, Page: 24 / 40

TRANSFORMER & MOTOR (Cont'd)
Case Step Point Remark
Motor vibration Motor bearing
(P7-61) Take out Drive belt and check the jolting of
Motor shaft to find out the defacement of Motor
bearing.
If so, replace Motor assy.
P-9
Fan casing (1),(2),
(3)
(P-7,57,59,60)
If Fan would be interrupted by Fan Casings,
adjust the position of Fan casing (1),(2),(3).
P-9
Motor runs
relatively slow
Line voltage
(P7-46)
Check the line voltage whether would drop due
to fluctuation.
If so, stop the projection or use a voltage
regulator.
P-8
Motor torque
(P7-61) If the motor torque would be not sufficient to
achieve proper speed, replace Motor assy. P-9
Film feeding
mechanism
(P3-f)
Turn Threading knob manually, and if its
movement seems to be heavy, lubricate all
gears, shafts and cam.
P-13
Clutch roller
(P7-8)
If Clutch roller could not be joined with
Shutter assy due to slip, adjust the position of
Clutch lever (2) assy to convey the rotation of
Motor.
P-10
Drive belt
(P7-4) If the deterioration of Drive belt would be
causing slip, replace Drive belt. P-11
Motor runs but very
slow
Motor stator
(P7-61)
Although taking out Drive belt and running
Motor itself, the rotation is very slow due to
burning-up or poor layer insulation of Rotor.
If so, replace Motor assy.
P-9
Motor bearing
(P7-6l) Although taking out Drive belt and running
Motor itself, the rotation is very slow due to
seizure of Bearing.
P-9
Yet Motor switch
knob positioned R,
Motor runs forward
Micro switch
(P6-i) Check Micro switch SW7 whether could not
operate properly due to looseness of attaching
screw.
P-12
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