24 Repairs: Information and Instructions
9.11 Fitting new pump
The pump is only available as a complete replacement unit.
Tools and equipment required:
• Phillips screwdriver size 2.
1. Open the device (see ”9.2 Opening the de-
vice“ on page 15).
2. Carefully detach electrical power pack con-
nector X3 from the circuit board.
3. Open the cable clamp and use a diagonal
cutter to cut through the cable binder. Then re-
move the motor cable.
4. Remove the O-ring.
5. Unscrew 4 screws 40 from support.
6. Detach silicone fabric tube 57 from inlet port of
pump.
7. Unwind the rolled-up silicone fabric tube 56
from the motor.
8. Detach tube 56 from faulty vacuum pump,
attach it to outlet of new pump 42 and wind it
round motor.
9. Finish fitting the new vacuum pump in reverse
order. To prevent damage, pressure measure-
ment tube 47 must be routed between the inlet
and outlet tubes of the pump.
10. Close the device (see ”9.3 Closing the de-
vice“ on page 16).
11. Perform a function check (see ”7.2 Performing
the function check“ on page 10).
X3
57
40
42
47
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