CHECK AND TEST 1
Step 1
Check to see if drain channel is full of water.
Step 2
Insert a stiff cord or belt into pipe.
Step 3
If the belt can pass through the pipe, it is
blocked with soft food material.
Step 4
Twist the belt to loosen food material stuck on
pipe wall, then use water to flush food material out of pipe.
Step 5
If belt could not pass through the drain pipe
and water is still in channel, mark the belt
at blockage point.
Step 6
Measure the length.
Step 7
Compare the length with data on drawing and
check the usage time.
DIAGNOSIS 1
PROCEDURE 1
Step 1
Remove foam.
DIAGNOSIS 2
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