Proheat M Series Service Bulletin page 2

WARNING
Connect power and switch only. DO
NOT connect the temperature sensor.
DIGITAL
MANOMETER
(P/N PK0036)
PRESSURE ADJUSTMENT SCREW
DECREASE
PRESSURE
INCREASE
PRESSURE
PRESSURE
ADJUSTMENT
SCREW
NOTICE
If using PK0067, Analog air pressure
gauge, Calibrate gauge before each
use refer to: www.proheat.com/PDFs/
990614.pdf
NOTICE
Leaving the Temperature Sensor
disconnected ensures that the burner
head will only run in Cool Down (Purge)
mode for three minutes.
© 2011 Marine Canada Acquisition Inc. DBA SEASTAR SOLUTIONS 3831 No. 6 Road, Richmond, B.C. Canada V6V 1P6
SERVICE BULLETIN
Copy Part# SB0063, Rev. A, 08/2014
d) Remove Ignition Electrode Assembly. Use a flat head screwdriver
to gently pry the electrode assembly out.
e) Remove the Flame Shield. (Rotate to match the mounting square.)
f) Disconnect the Fuel Shut-off Valve and Ignition Module connectors
at the PCM. This ensures that fuel will not spray and/or light
during testing.
g) Remove the plug to the air pressure measurement port.
h) Thread in the Pressure Gauge and torque to 25 in-lbs ±3 in-lbs
(2.8 Nm ±0.3 Nm) as shown in figure B.
i) Connect ONLY the Power Harness and Remote Switch to the PCM.
DIAPHRAGM
COMPRESSOR
AIR PRESSURE
MEASURING PORT
Figure B. Air Pressure Test. Diaphragm Compressor Model.
j) Switch the PROHEAT on and observe the air pressure after one
minute, and compare to figure C, D or E on page 3 and page 4:
If Air Pressure is outside the recommended setting for your location
please ensure the fuel nozzle and air compressor filter are clean,
then check air pressure again.
k) Adjust the air pressure if necessary by turning the screw as
shown in figure B.
If the pressure cannot be set to the correct setting, rebuild kits
are available. See www.proheat.com for the latest parts manual
SL9167 for more information.
Page 2 of 4
FLAME
SHIELD
IGNITION
ELECTRODE
ASSEMBLY
Tel: 604.270.6899 Web: www.proheat.com