Pump and Reservoir Assembly

This section provides instructions for replacing the pump and reservoir assembly in the Power Link 2000.

Assembly Components

The assembly consists of the following components:

1. Coolant reservoir

2. Pump controller

3. Pump

Required Tools and Materials

	Stepladder		T30 Torx screwdriver (for pump)
	Hex socket set 8 mm for coolant reservoir 7 mm for pump controller		Needle nose pliers
	Clean rags

Before You Begin

Before servicing the component, complete the following steps:

1. Power off.

2. Remove these:

   1. Top cap

   2. Heat sink cap

   3. Front lower cover

   4. Front upper cover

   5. Cable cap

   6. Side panel

   7. Rear upper cover

   8. Rear lower cover

After replacing the components, reverse the above steps to complete the service.

 

Replace the Pump and Reservoir Assembly

1. Press the latch and pull the connector to disconnect the cables (x3).

   

   • Find the label on each cable to plug its connector back into its correct receptacle connector.

   • To reconnect, plug in. The connector latch must snap onto the receptacle with a click sound to ensure that the connection is secure.

2. Use needle nose pliers to pull out the stud-mounted zip ties.

   

3. Press the latch and pull the connector to disconnect the hoses (x2).

   While disconnecting, use a clean rag to catch and wipe off any coolant residue on the connectors.

   

   • To reconnect, plug in. The connector latch must snap onto the receptacle with a click sound to ensure that the connection is secure.

   • Top up or refill coolant.

4. Flex the hose clamps (x4) to untie the hoses (x2).

   

5. Loosen the reservoir bracket nuts (x2) and pump bracket screws (x4), and lift the assembly to remove. Hold the reservoir with one hand and pump with the other hand to gently lift and remove the assembly.

   

   Torque the reservoir bracket nuts to 4.5 Nm (40 in-lb) and pump bracket screws to 5.6 Nm (50 in-lb).

6. Loosen the pump controller bracket nuts and slide the controller up to remove.

   

   Torque these nuts to 2.8 Nm (25 in-lb).

Reverse the above steps to reinstall with replacement FRU Field Replaceable Unit.