Models 947, 948 and 960 Leak Detectors Operations and Service Manual
B-17
8. Remove the centering ring and O-ring and place all connections where the oil will not
contaminate other parts.
9. Remove the NW16 clamp from the exhaust connection.
10. Remove the exhaust fitting.
11. If desired, remove the length of tubing from the exhaust fitting.
12. Remove the centering ring and O-ring and place all connections where the oil will not
contaminate other parts.
13. Loosen and remove the four nuts and the bolts that connect the pump to the bottom of
the main cabinet (Figure B-10 on page B-15).
NOTE
You may have to loosen the radiator clamps on the tygon tubing
and slide it up the line to remove the pump.
14. Remove the pump from the 947/948/960.
B.4.1.1.1 Replacing the Wet System Rough Pump
Before you replace the wet mechanical pump, examine and clean all O-rings centering
rings, clamps and the manifold.
CAUTION
There may be oil on these parts. Take care not to place them
where other parts may be contaminated.
B.4.1.1.2 Examining and Cleaning Centering Rings, O-rings and Manifold
Refer to “Examining and Cleaning Centering Rings, O-rings and Manifold” on page B-12.
Execute steps 1 through 4.
Summary of Contents for 948
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