Kane 457 - Let-By and Tightness Testing

Page 23
LET-BY & TIGHTNESS TESTING
Select “Tightness”. The pump stops automatically. Press / to auto-
zero the pressure sensor. Do this before you connect to anything.
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.
P1 10.15
→
Pressure at start of let-by test.
P2 10.15
→
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
P1 20.01
→
Real time pressure reading.
mbar
→
Pressure units.
TIME 59
→
Stabilisation default time is 1 minute. Can be
changed via “Menu”.