Disassembling The Pump; Return Tube And Crossover Tube Components View - Nordson 3400 Manual

B 2-12
Pump

Disassembling the Pump

B2EN-02-[3-PUMP]-5
Follow this procedure to disassemble the pump .
1. See Figure B 2-2. Remove the bolts that secure the pump to the
pump mount (1). Be careful not to lose the drive shaft coupling (4)
and key (3).
2. Remove the return tube (7) and the crossover tube (5).
3. Check the crossover tube O-ring (6) for damage. Replace the O-ring
if necessary.
NOTE: Nordson Corporation recommends replacing the crossover
tube O-ring any time the pump is removed.
1
3
4
5
6
7
Fig. B 2-2 Return Tube and Crossover Tube Components
1. Pump mount
2. Key
3. Pump mount insulator
4. Coupling
41-3000
Issued 11/00
2
5. Crossover tube
6. Crossover tube O-ring
7. Return tube
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4130903A