Replacing The Air Pump (Kit #28164S) - Watts HF Scientific CSM Installation, Operation And Maintenance Manual

Copper silver monitor
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10. Place the regulator back into the brackets and secure into place
with panel nut.
11. Reattach bracket and attached components to the back panel and
tighten screws loosened in step 2.
12. Insert the water tubing back into the push to connect inlet fitting.
13. Turn water supply to CSM instrument back on.
14. Turn CSM instrument on and check for leaks.

9.5 Replacing the Air Pump (Kit #28164S)

To replace the air pump on the CSM instrument:
4
Loosen bracket
screws
1
Disconnect
2
Disconnect
vent tube
ribbon cable
3
Disconnect
drain tubing
1. Disconnect the vent tube from the side of the cabinet.
2. Disconnect the ribbon cable from the optical board.
3. Loosen the press to connect fitting and disconnect the drain tubing
at the bottom of the enclosure.
4. Loosen the optical block assembly bracket screws. This is the
bracket that holds the optical block assembly to the back panel.
5. Lift optical block assembly up and off of bracket screws.
6. Pull optical block assembly forward to access the air pump. The air
pump is located on the back right hand side.
7. Disconnect the black and pink air pump wiring (connection located
in the electrical panel).
8
Unscrew
black fitting
Be sure arrow is
11
pointing in same
direction when
installing new air
pump
Air pump located on
back right side of optical
block assembly
10
Cut zip tie
9
Unscrew air pump
bracket screws
8. Unscrew black fitting from air pump.
9. Unscrew 2 screws from underneath air pump bracket.
10. Cut the zip tie that attaches the air pump to the optical board and
then remove air pump.
11. Insert new air pump. Be sure the arrow on the new air pump is
facing the correct direction.
12. Install 2 screws from underneath air pump bracket.
13. Attach air pump to optical board using the included zip tie.
14. Screw in black fitting into air pump outlet.
15. Reconnect the black and pink air pump wiring (connection located
in the electrical panel).
16. Slide the optical assembly with new air pump back to original
position.
17. Place optical block assembly onto bracket screws located on the
back panel of the enclosure.
18. Tighten the optical block assembly bracket screws.
NOTICE
To prevent damage to the wiring, ensure wiring is routed behind bracket
and not pinched between the bracket and the back panel of the
enclosure.
19. Reconnect the drain tubing, ribbon cable and vent tube.
9.6 Replacing the Solenoid Valve
To replace the solenoid valve on the CSM instrument:
1. Remove the two solenoid valve mounting screws.
2. Unplug wiring from harness.
2
Unplug wiring
15
Remove screws on
solenoid valve
3
Remove fittings

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28062

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