Maintenance
13
Leakator 10
Instruction 0019-9167
7. Replace fl exible arm assembly and rear case using the screws
that were removed in Step 3.
8. Replace sensor-matching resistor.
9. Replace batteries and battery cover.
10. Test instrument response (refer Section 4.2).
5.4 Replacing the Flexible Probe Assembly
Items required:
• Medium fl at-blade screwdriver
• Medium Phillips screwdriver
• Replacement fl exible probe assembly (P/N 0019-3091)
Procedure: (See Figure 7)
1. Turn OFF instrument and lay it face down on work area.
2. Remove battery cover and batteries.
3. Remove sensor-matching resistor.
4. Remove four screws securing rear case.
5. Carefully lift rear case and fl exible arm assembly away
from instrument, being careful not to pull wires attached
to printed circuit board. Lay rear case face down on work
area.
6. Carefully remove printed circuit board from front case.
7. Unplug sensor connector J3 from printed circuit board.
8. Remove fl exible probe assembly and remove sensor.
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