3700 Portable Samplers
Section 6 Servicing
6-6
6.1.6 Removal of the Pump
Gear Case Assembly
The pump gear case assembly is located in the lower section of
the control box. For access to the lower section of the control box,
follow the instructions in the section entitled
Access to Electronic
Components
. Follow the steps below to remove the pump gear
case.
1. Remove the distributor gear case as discussed in Section
6.1.5 above.
2. Remove the liquid detector lid and the pump lid by loosen-
ing the captivated thumbscrews on the outer pump hous-
ing. Figure
shows the location of the thumbscrews.
3. Remove the pump tubing from the interior of the pump.
4. Remove the pump rotor by loosening the machine screw
and lock nut attaching the rotor to the pump shaft. Figure
5-3 shows the location of the machine screw. Rotate the
rotor until you can reach the screw with a screwdriver
inserted through the pump housing inlet sleeve.
5. Slide the rotor off the pump shaft.
6. Remove the inner pump housing by unscrewing the four
screws surrounding the pump shaft, taking care to hold the
pump gear-case assembly in place.
7. Carefully lift the pump gear-case assembly out of the con-
trol box.
The pump gear case can be reinstalled by reversing these steps.
Ensure that you replace all of the hardware and secure the
grounding straps.
Figure 6-4 Control Box Tray Removal
Nut
Screw
Ground
Strap Screw
Nut
Summary of Contents for 3700
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Page 33: ...3700 Portable Samplers Section 2 Setup Procedures 2 9 Figure 2 7 Locked Sampler ...
Page 34: ...3700 Portable Samplers Section 2 Setup Procedures 2 10 ...
Page 144: ...3700 Portable Samplers Section 3 Programming Guidelines 3 110 ...
Page 152: ...3700 Portable Samplers Section 4 Options and Interfacing Equipment 4 8 ...
Page 164: ...3700 Portable Samplers Section 5 Routine Maintenance 5 12 ...
Page 180: ...3700 Portable Samplers Appendix A Replacement Parts Lists A 2 ...
Page 181: ...3700 Portable Samplers Appendix A Replacement Parts Lists A 3 ...
Page 182: ...3700 Portable Samplers Appendix A Replacement Parts Lists A 4 ...
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Page 184: ...3700 Portable Samplers Appendix A Replacement Parts Lists A 6 60 3703 262 REV J 3 2 ...
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Page 196: ...3700 Portable Samplers Appendix A Replacement Parts Lists A 18 ...
Page 200: ...3700 Portable Samplers Appendix B Accessories B 4 ...
Page 210: ...3700 Portable Samplers Appendix C General Safety Procedures C 10 ...
Page 224: ...3700 Portable Samplers Appendix E Calculating Flow Increment Between Samples E 4 ...
Page 234: ...3700 Portable Samplers Appendix G Material Safety Data Sheets G 8 ...
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