Kane 456 - LET-BY & TIGHTNESS TESTING

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4.4 LET-BY & TIGHTNESS TESTING
Select “Tightness”. The pump stops automatically. Press / to auto-
zero the pressure sensor. Connect from the test point to P1 using a black connector
and manometer hose.
The display shows “LET BY?”. Use , and to select YES or NO.
If YES is selected set the let-by pressure then press to start the let-by test. The
display shows:
LET BY
→
The let-by test is automatically stored in the
memory.
P
R
1
10.15
m
→
Pressure at start of let-by test.
P
R
2
10.15
m
→
Real time pressure reading.
→
→
TIME
59
→
Let-by default time is 1 minute. Can be
changed via “Menu”.
If the let-by test fails simply move the rotary switch to any position other than
“tightness” to abort the test.
If the let-by test passes adjust the gas pressure for the tightness test and press
to
start the stabilisation test. The display shows:
STABIL’N
→
P
R
1
20.01
m
→
Real time pressure reading.
TIME
59
→
Stabilisation default time is 1 minute. Can be
changed via “Menu”.
When complete press
to start the tightness test: