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4

5

1.

Purpose: Flush the impurities and

silt in the pipe in case of the

blocking.

2.

Open the protective plastic sheet

and protective cover Turn on the

tap and

 

o

pen up the supply valve

rod to flush the pipe. Close the

spool and test the

 

pressure

resistance and tightness to make

sure there no leakage.

3.

Blocked all outlet of pipes with

plastic plugs(1/2) and turn on the

tap.

 

Check

 

whether the

connection port of the upper of

the outlet pipe are tight

 

and

 

the

status of pipeline pressure. Make

sure there is no leak-age.

4.

After the test of tightness, revet

the protective plastic sheet and

protective

 

cover.

Test  of  Water  and  Tightness

3

ON

HOT

COLD

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