Bacharach Hi Flow Sampler Manuel Du Propriétaire

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Hi Flow Sampler 
Maintenance 
Instruction 0055-9017 
55
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: 
 
 
5
/
64
" 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 
5
/
64
" 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