Bacharach HI FLOW Sampler Spécifications télécharger pdf (Page 59)

Hi Flow Sampler Maintenance

Instruction 0055-9017

5.6 Pump Replacement

The pump located in either the leak-gas or background-gas sensor

assembly (see Figure 5-5) may become inoperative due to water or solid

particles getting into the valves. This will require replacement of the

pump to correct.

Equipment Required:



" Allen Wrench

 Replacement Pump Assembly (P/N 0055-0061)

Procedure:

1. Remove cover per Section 5.3.

2. Back off the pump-bracket screw using a

" Allen wrench; then

rotate bracket arm to free pump. See Figure 5-6.

3. Unplug pump connector from printed circuit board and lift pump

straight up.

4. Install the new pump by lining up the pump’s inlet and outlet tubes

with the two flow block holes and pushing into place. Swing bracket

arm over pump and tighten—realigning pump as necessary to make a

proper fit.

5. Replace cover that was removed in Step 1.

Figure 5-6. Sensor or Pump Replacement

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Bacharach HI FLOW Sampler Spécifications Page 59