Nordson HORIZON 200, Руководство по эксплуатации продукта

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Repair
7-21
Part 106913 − 04
E
2018 Nordson Corporation
Fan Replacement
WARNING:
Before performing the following procedures, shut off electrical
power at the system electrical panel. Lock and tag the disconnect switch.
See Figure 7-10.
Fan Removal
1. Remove the screws (3), washers (4, 5), retainers (6), and the inlet
cone (7) from the fan section.
2. Loosen the key and shaft set screws in the hub of the fan (10).
3. Remove the screw (8) and retainer washer (9) from the bottom of the
fan shaft (1).
4. Remove the fan and key (2) from the fan section.
Fan Installation
1. Install the new fan on the shaft, line up the keyways, and install the key.
2. Install the retainer washer and screw onto the end of the shaft. Hold the
fan and tighten the screw securely.
3. Install the inlet cone in the fan section with the retainers, washers, and
screws. Do not tighten the screws.
4. Adjust the position of the fan on the shaft. The bottom of the fan should
sit inside the cone (overlap) 3 − 6 mm (0.125 − 0.25 in.). Torque the set
screws in the fan hub to 3.5 N
S
m (2.5 ft-lbs).
5. Adjust the inlet cone so the gap between the fan and the cone is the
same all the way around. Use your finger to check the gap.
6. Tighten the screws securing the inlet cone to the fan compartment.
Rotate the fan and make sure it does not rub against the cone.
7. Start the exhaust fan. If you notice any noise caused by the fan rubbing
against the cone, stop the fan. Re-adjust the cone position.