Maintenance Procedures - Hose Quantium 310 Maintenance Manual
Page 3-8 Document Ref 941113-001 Rev 2
7) Locate the nozzle reed switch cable connection in the calculator head:-
•I/O Board connection - break the W&M seals using
wirecutters. Using a flathead screwdriver, loosen and remove
the screw on the I/O board cable security cover. Locate the
nozzle switch cable connection on the I/O board.
•Mainboard connection - locate the nozzle switch cable
connection on the mainboard.
8) Disconnect the nozzle reed switch cable connector from the
relevant board in the calculator.
Note : Take care to note the position of this connector on
the relevant board.
9) Using a small flathead screwdriver, remove the connector from
the nozzle reed switch cable.
WARNING : NOTE THE ORDER OF THE COLOURED
WIRES IN THE CONNECTOR.
10) Use a 24mm spanner to loosen the relevant glands securing the nozzle reed switch cable.
Pull the entire cable through the glands and remove the switch and cable completely.
11) Fit the new nozzle reed switch to the nozzle reed switch bracket and secure into position
using the clip.
12) Feed the nozzle reed switch cable up and through the relevant glands into the calculator
head. Secure the cable in position by tightening the relevant glands.
13) Use the small flathead screwdriver to connect the wires to the correct connector.
14) Plug the connector into the relevant board in the calculator head.
15) Where applicable, re-fit the I/O board cable security cover
and re-apply W&M seals.
16) Re-fit the side panel to the dispenser.
17) Close the calculator head door and lock.
18) Close the hydraulic door and lock.
19) Replace the nozzle(s) securely in the nozzle boot(s).
20) Ensure all tools and unused materials are removed.
21) Re-instate power to the dispenser.
22) Test operation of the new nozzle switch.
23) Dispose of all waste accordingly.
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