4700 Refrigerated Sampler Service Guide
Section 2 Sample Delivery System
2-4
Note
When the hinged portion of the pump module is opened,
another large screw is revealed (Figure 2-4). This is a sealed
port used solely for factory testing. Do not loosen or remove
this screw.
Figure 2-4 Factory test port screw (do not remove)
2.3 Pump Disassembly
and Parts
Replacement
For module removal and replacement steps, see Section 2.2.
This section details the replacement steps for pump components
and describes recent changes to the pump.
2.3.1 Pump Part Numbers
Table 2-1 contains a list of pump components with part numbers.
Test port - Do not
remove screw.
Table 2-1 Pump Parts List
Part
Number
Thumb screw
60-4704-055
O-ring
202-5000-07
Gasket
60-3113-029
Pump shaft assembly
60-4708-002
Idler gear (old)
60-4708-003
Idler gear (new)
60-4708-017
Motor plate (old)
60-4708-001
Motor plate (new)
60-4708-018
Motor and gear assembly
60-4704-014
Motor wiring assembly
69-4704-027
Optical disk
60-9003-112
Pump band
60-4704-032
Pump housing cover
60-4704-036
Pump cover bushing
60-3703-278
Summary of Contents for 4700
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Page 124: ...4700 Refrigerated Sampler Service Guide Appendix A Electrical Diagrams A 2 ...
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