Figure 7-6. Replacing The Pump - Thermo Scientific 5028i Instruction Manual

Servicing
Pressure Board Replacement
Pressure Board
Replacement
7-14 Model 5028i Instruction Manual
Figure 7–6. Replacing the Pump
Use the following procedure to replace the pressure board
Equipment Required:
Pressure board
Philips screwdriver, #2
Equipment Damage Some internal components can be damaged by
small amounts of static electricity. A properly grounded antistatic wrist
strap must be worn while handling any internal component.
1. Turn the instrument OFF, unplug the power cord, and remove the
cover.
2. Disconnect plumbing from the pressure board assembly
Note the plumbing connections to facilitate reconnection.
3. Disconnect the pressure board from the floor plate on the
measurement interface board.
4. Remove the four pressure board assembly retaining screws and
remove the pressure board assembly
(Figure
s
(Figure
(Figure 7–7).
Thermo Fisher Scientific
7–7).
7–2).