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b
a
Figure B-2 Isolation valve close/open slots locations
1. Isolation valve is closed; the "X" mark is visible on the
valve
a: Isolation valve slot/b: X mark (closed)
E 2020 Nordson Corporation
1
To make sure that the isolation valve is closed, the slot must be positioned
horizontal with the "X" mark visible. See item 1 in Figure B-2.
To make sure that the isolation valve is open, the slot must be positioned
horizontal with the "O" mark visible. See item 2 in Figure B-2.
6. Disconnect the air line from the back of the pump.
7. Loosen, but do not remove, the two M6 screws at the base of the pump.
8. Grasp the pump and rotate it clockwise to disengage it from the two M6
screws.
SP Pump Diagnostics and Repair
b
a
2. Isolation valve is open; the "O" mark is visible on the
valve
a: Isolation valve slot/b: O mark (open)
B-11
2
Part 1128350_02
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Troubleshooting
