7
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Installation (continued)
7.
Do a trial assembly (dry - no glue) of the pump onto the drain pipe. Swing the pump until it accurately faces the discharge piping, and
then mark the pump and the inlet pipe/adapter assembly so that you can accurately install the pump in Step 8. Arrange a temporary
support under the pump to relieve the strain on the sink drain piping while the glue is setting. Leave it in place while you measure and
cut the discharge piping (Step 12).
8.
Slide the pump up into position and glue the pipe into the male adapter (on the pump).
•
No glue on the pump or in the motor;
•
Make sure the pump is facing the right direction (match the marks from Step 7);
•
Put the support in place under the motor.
9.
Wrap the 1-1/4 in. galvanized nipple with 1-1/2 to 2 turns of PTFE pipe thread sealant tape on each end and thread it into the pump
discharge port.
NOTE
:
Tighten this only enough to prevent leaking. Over-tightening can crack the plastic.
10. Hold the nipple with a pipe wrench and thread one half of the 1-1/4 in. union onto it, hand tight plus 1-1/2 turns with a pipe wrench or
slip-joint pliers.
11. At this time, wrap the threads on both the 1-1/4 in. male adapters with 1-1/2 to 2 turns of PTFE pipe thread sealant tape. Thread one of
the adapters into the other half of the 1-1/4 in. union, hand tight plus 1/2 turn with a wrench or a pair of slip-joint pliers. DO NOT
overtighten!
12.
Install the discharge piping as shown in Figures 1 and 2. The order is:
a. 1-1/4 in. PVC Pipe cut to fit
b. 90° Soc. to Soc. elbow
c. 1-/14 in. PVC Pipe cut to fit
d. Male adapter
e. Flow Control/Ball Valve, Check Valve
NOTE
:
Install the check valve in the vertical discharge pipe with the threads down. Be sure the flow arrow points AWAY from the pump.
That is, when the check valve is correctly installed, the arrow showing direction of flow should point UP.
f. 1-1/4 in. Outlet Pipe
13.
Connect the discharge piping to the building drain.
