Service and Maintenance Manual 3-72 960714-02B © 2007 I2407
SECTION 3 – COMPONENT REPAIR
FILM FEED DRIVE MOTOR
1. The wire for the film feed motor has a quick
disconnect plug about 5 inches from the motor.
Ensure the plug is completely inserted into the
receptacle.
2. Using a Digital Volt/Ohm Meter (DVOM), first
check continuity on the motor at the film feed
stepper drive. Use the following step to do this.
a. Remove the four screws shown in Figure
3-181 to remove front load plate.
b. Locate the film feed stepper drive (Figure
3-182)
c. On the right-rear corner of the drive are the
motor cable terminals. Check continuity
between terminals 1 and 2, 1 and 3, and 2
and 3. Also check continuity between
terminals 4 and 5, 4 and 6, and 5 and 6
(refer to Figure 3-183 for terminal
identification). If all six tests for continuity
pass, the motor is not faulty and other
troubleshooting techniques need to be
followed. (Refer to Pressure Jaw and Film
Feed Motor Controllers on Page 3-1 for
information on how to check the stepper
drive).
Always remove electrical power from the
SX
prior to performing any maintenance
Figure 3-181. Load Plate Screws
Figure 3-182. Film Feed Drive Location
Figure 3-183. TM4500 Configuration
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