Service manual

74 Repair Procedures Welch Allyn Propaq Encore Vital Signs Monitor
Replacing the Pump
New wires and a connector are provided with the replacement pump kit.
1. Remove the battery pack (“Replacing the Battery Pack” on page 52).
2. Open the monitor (“Opening the Monitor” on page 55).
3. Remove the Recharger board (“Replacing the Recharger Board” on page 72).
4. Unplug the pump cable from the Recharger board.
5. Disconnect the tubing from the pump.
6. Cut the tie wraps securing the pump to the Recharger board.
7. Lift the pump from the board, and remove the old tie wraps from the support
brackets.
When installing a pump:
• Slide new tie wraps into support brackets as shown here.
• Set the pump onto the Recharger board.
• Secure the pump to the Recharger board with tie wraps, aligning the fastener
ends as shown in the figure below and cutting off the excess.
• Plug in the pump cable to connector P7 on the Recharger board.
0696-41
P7
NIBP
Pump
Support
Bracket
Correct
Position of
Tie-wrap