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7.4
REPLACING THE PUMP (REFER TO FIGURE 7-5)
1.
Open the monitor case described in Section 7.2.
2.
Remove the damping cover from the pump.
3.
Locate the two tubings, Main line and Exhaust line, connected to
the pump, refer to Figure 7-6.
4.
Locate the purple Main line restrictor and the green Exhaust line
restrictor.
5.
Disconnect both tubings from their restrictors.
Note: Both restrictors must remain with their flow system lines attached
to the CO
board.
2
6.
Disconnect the pump connector from it's CO
7.
Remove the CO
2
8.
Unscrew and remove the pump mounting screws.
9.
Remove the lower damping and damping holder.
10.
Remove the pump and the upper damping .
11.
Place the new Pump.
12.
Reassemble the unit, using the new assembly parts, in reverse
order.
Note: Before replacing the pump mounting screws, first dip them into
®
Loctite
glue or any other threadlocker glue. Carefully twist the
screws into the lower damping, gently pressing against the
CO
board..
2
Figure 7-5: Replacing the Pump
Section 7: Disassembly Guide
board from the front cover, refer to Section 7.3.
board socket.
2
7-5
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