Sealer Assembly; Pressure Bar Drive Motor - Sharp SX 1075 Service Maintenance Manual

PRESSURE BAR DRIVE MOTOR

TESTING
WARNING
Always remove electrical power from the
SX prior to performing any maintenance
on the machine.
1. The wire for the pressure bar 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 pressure
bar stepper drive. Use the following step to do
this.
a. Remove the four screws shown in
Figure 3-278 to remove front load
plate.
Figure 3-278. Load Plate Screws
SX™
Service and Maintenance Manual
SECTION 3 – COMPONENT REPAIR

SEALER ASSEMBLY

Figure 3-279. Pressure Bar Drive Location
3-113
b. Locate the pressure bar stepper drive
(Figure 3-279).
Pressure Bar
Stepper Drive
c. On the right-rear corner of the drive are
the motor cable terminals.
continuity between terminals 1 and 2, 1
and 3, and 2 and 3.
continuity between terminals 4 and 5, 4
and 6, and 5 and 6 (refer to figure 3-
280 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 for information on
how to check the stepper drive).
6 5 4 3 2 1
Motor Cable
Terminals
Figure 3-280. TM4500 Configuration
Check
Also check
960714-02 © 2007 I2407