Nordson HORIZON 200, Руководство по эксплуатации продукта

Страница: 85 / 124

Repair
7-19
Part 106913 − 04
E
2018 Nordson Corporation
Motor Replacement
WARNING:
Before performing the following procedures, shut off electrical
power at the system electrical panel. Lock and tag the disconnect switch.
Motor Removal
1. See Figure 7-9. Remove the cover from the junction box (1). Tag and
disconnect the wiring from the motor leads. Disconnect the conduit (2)
from the junction box.
2. Remove the V-belts, as described in the V-Belt Replacement procedure,
from the motor sheave.
3. Remove the nuts and washers (3) securing the motor to the mounting
plate.
4. Remove the motor from the compartment and move it to a clean work
area.
5. Remove the motor sheave and bushing from the motor as described in
the Sheave Replacement procedure.
Motor Installation
1. Install the new motor on the mounting plate with the nuts and washers.
Do not tighten the nuts until you install and tension the V-belts.
2. Install the motor sheave and bushing on the motor shaft as described in
the Sheave Replacement procedure.
3. Install the V-belts on the sheave and adjust the belt tension as described
in the V-Belt Replacement procedure.
4. Connect the conduit to the motor junction box and the wiring to the
motor leads. Install the cover.
5. Turn on the system electrical power and start the exhaust fan. Check
the direction of air flow through the final filters. If air is being pulled into
the final filters, the motor is rotating in the wrong direction. Refer to
Reversing Motor Direction in the Troubleshooting section.