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Replacing the Stepper Motor
The Stepper Motor (AMETEK Part No. 591087901) is located next to the fan
at the front of the Electronics Module assembly. Use Figure 4-11 to locate the
Stepper Motor.
To remove the Stepper Motor:
1. After locating the Stepper Motor, use the 1/4-inch nut driver to remove the
2. Remove the P-1 connector from the Stepper Motor board (Figure 4-15).
3. The connecting shaft of the Stepper Motor will come apart in the middle
To replace the Stepper Motor:
1. Position the new Stepper Motor on the mounting studs and secure with
2. Reconnect the P-1 connector to the Stepper Motor board.
3. The universal joint will be reconnected to the Stepper Motor when you
4-18 | 5920 UHP Moisture Analyzer
four (4) nuts that hold the Stepper Motor mounting bracket to the Elec-
tronics Module plate.
and you can remove the motor and bracket from the mounting plate.
the four (4) nuts that you removed earlier.
replace the electronic mounting module in the 5920 assembly.
PN 592047901 Rev YC
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