VMP IOM
35
NOTE
To ensure the continued safety and
efficiency of the boiler, the schedule of
maintenance outlined in this section
should be adhered to.
WARNING
Prior to the commencement of any work
requiring the removal of cover plates
and the opening of the control panel
box, the electrical supply to the boiler
must be disconnected.
Procedure for Cleaning
Water Probes
Clean probe on top of boiler shell and
probes in water column. Make sure there is
no pressure on the boiler during the
removal of the probes. Remove one probe,
clean with very fine emory cloth and replace
it before removing another to assure no
probe mix ups that would change the
control functions.
For replacement purposes, installed probe
lengths are indicated in the chart below. For
a universally adaptable plug and probe
which can be cut to length in the field to fit
all boilers, order Part No. 2-20-017.
A=7
1
/4 IN / 184 mm
B=9
1
/4 IN / 235 mm
C= 11
1
/4 IN / 286 mm
D = 4 IN / 102 mm
“D” is located in the boiler pressure
vessel.
Maintenance
ABCD
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