Replacing the time delay relay for 8655b and 8656b, Replacing the fuse – Bird Technologies 8650B Series User Manual
Page 34
Bird 8650 Series Moduload RF Load Resistor
22
Note:
Do not replace the drain plug with any substitute plug, use
the plug removed.
10. Disconnect the orange and black wires from the pressure switch.
Note:
The water inlet is through the pressure switch at the back of
the load input nipple.
11. Detach the switch assembly from the load.
Note:
The switch is ready for service or replacement.
Note:
When replacing the switch fittings be sure to coat only the
external threads with joint sealing compound.
Note:
When reinstalling the switch assembly, twist on the compo-
nents until the switch body is in the original angular alignment with
the load resistor housing.
12. Restore the wire connections.
13. Refill the equipment with coolant to the proper level.
14. Check the refitted joints thoroughly.
15. Test the switch operation by a preoperational run, as described in "Coolant"
on page 9, without RF power.
16. Inspect for leaks by running the coolant pump for a few minutes without the
top panel.
Replacing the Time Delay Relay for 8655B and 8656B
The time delay relay is factory set for an approximate two second delay, isolating
the circuit relay. See “Flow Interlock Control Circuit” on page 5.
Note:
The relay is located on the upper right inside of the front panel.
Note:
The relay cartridge cannot be disassembled or repaired in
the field.
1. Record the color and routing of the wires on each relay terminal.
2. Remove the wires from the relay terminals.
3. Remove the nut and washers that secure the relay to the panel.
4. Remove the relay.
5. Install the replacement relay by reversing Step 2 through Step 4,
Replacing the Fuse
z
Equipment Needed:
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Common hand tools
1. Disconnect AC power line.
2. Lift up on the tab that secures the drawer the AC receptacle.
Note:
Use the flat blade of a screwdriver.
3. Pull the drawer straight out.
4. Remove the fuse.
5. Replace with the same type and rating fuse.
6. Return the drawer to the receptacle.
7. Reconnect the AC power line.
8. Check the unit for proper operation.