DuraBlue II Customer Product Manual - 第96页
Service 5-6 Part 1126931_01 2018 Nordson Corporation Replacing a Motor or Coupling Follow this procedure to replace a motor or coupling. You will need the following items: appropriate tools replacement motor or cou…
Service
5-5
Part 1126931_01
2018 Nordson Corporation
Motor and Gear Box
Changing the Motor Lubricant
Remove the gear motor assembly from the melter.
Use only the stated lubricant or one that has proven to be equivalent
(refer to Lubricant Selection). Using any other lubricant can result in
premature wear and/or damage to the gear box.
Drain lubricant when warm.
Properly dispose of the old lubricant according to local regulations.
CAUTION! Never mix different types of lubricants.
Lubricant Changing Interval
Operating temperature < 100 C / 212 F:
Every 15000 hours of operation or at least every 4 years.
Lubricant Capacity
Ensure that the upper gears and rolling bearings are properly lubricated.
Lubricant Selection
Lubricant manufacturer
Mineral oil CLP 220
AGIP Blasia 220
ARAL Degol BMB 220 or Degol BG 220
BP Energol GR‐XP 220
DEA Falcon CLP 220
ESSO Spartan EP 220 or GP 90
KLÜBER Klüberoil GEM 1‐220
OPTIMOL Optigear 220
SHELL Omala Oil 220
TEXACO Geartex EP‐A SAE 85 W‐90
Service
5-6
Part 1126931_01
2018 Nordson Corporation
Replacing a Motor or Coupling
Follow this procedure to replace a motor or coupling. You will need the
following items:
appropriate tools
replacement motor or coupling
anti‐seize lubricant (if needed)
1. Disconnect and lock out electrical power to the melter.
2. Remove the hydraulic side covers and the left and right control cabinet
side covers. Refer to Detaching the Exterior Panels earlier in this section
as needed.
3. Disconnect the motor cable wires, noting their terminal positions.
4. See Figure 5‐2. Loosen the screws that secure the motor to the base of
the melter and then slide the motor back.
5. Slide the coupling sleeve (2) off of the coupling hubs (1 and 3), loosen
the hub set screws, and remove the hubs.
Service
5-7
Part 1126931_01
2018 Nordson Corporation
1
3
2
Figure 5‐2 Coupling assembly components
1 Motor coupling hub
2 Coupling sleeve
3 Pump coupling hub
6. Remove the protective coating from the new motor shaft, slide the
replacement (if applicable) motor coupling hub onto the motor shaft, and
tighten the hub set screws.
7. Install the replacement (if applicable) pump coupling hub on the pump
shaft, ensure that it is flush with the pump shaft, and tighten the hub set
screws.
8. Loosely install the replacement motor assembly and slide the assembly,
including the motor coupling hub and sleeve, toward the pump until the
coupling sleeve engages with pump coupling hub.
9. Ensure that the coupling sleeve cannot move, then slide the motor
assembly back 4 mm (0.16 in.), as indicated in Figure 5‐3.