Planer BT37 MarkII - Page 98

98
BT37 MarkII: Service Manual MA200606 1.0.0
Maintenance and trouble shooting
Fig 1
Fig.2
Open ball valve and turn on Incubator gas supply.
 Gas must be supplied at 1.5 bar (22 Psi) (+/- 0.15 bar)
 With Incubator now pressurized, close ball valve.
 Turn off Incubator gas supply.
 Record Gauge pressure in Psi.
 Wait 6 minutes. Use a stopwatch to measure the time delay.
 Record Gauge pressure in Psi.
 Confirm the pressure recorded earlier is not more than 2 psi above the current reading.
(Maximum pressure drop over 6 minutes = 2 psi)
 Note both pressure readings on the visit report.