Proheat M80 - Manual (Page 45)

o) Connect the Power, Overheat/Temperature Sensor and Coolant Pump
electrical connections to the heater Burner Had and reconnect the fuel line.
p) Activate the heater with the remote switch and observe operation. The
heater should run smoothly with no smoke although there may be some
hesitation initially due to air in the fuel line.
q) Remove the remote switch and re-connect the control connection.
If a Start diagnostic code is indicated, proceed to Step 7.
Test Procedure – Air Compressor pressure (Rotary Vane Compressor models):
h) Thread in Pressure Gauge Adapter hand tight as shown in Figure 4-16.
i) Install pressure Relief Valve & Pressure Gauge on to Pressure Gauge Adapter.
j) Orient Burner Head similar to assembled on heater.
k) Connect Power Harness and Remote Switch to the G-I PCM.
l) Switch the PROHEAT on and observe the air pressure:
PROHEAT G-I PCM SERVICE MANUAL 4-14
MODEL AIR PRESSURE (ROTARY VANE COMPRESSOR)
M50 6.2 ± 0.1 PSI (42.7 ± 0.7 kPa)
M80 3.2 ± 0.1 PSI (22.1 ± 0.7 kPa)
NOTICE
Ensure to orient burner head as shown
in Figure 4-16 or an incorrect pressure
measurement may be made.
NOTICE
All plugs/harnesses must be rein-
stalled into the Proheat Control
Module (G-I PCM) before heater goes
back into service.
NOTICE
All plugs/harnesses must be rein-
stalled into the Proheat Control
Module (G-I PCM) before heater goes
back into service.
WARNING
Connect power and switch only. DO
NOT connect the temperature sensor.
m) Adjust the air pressure if necessary by releasing the lock nut and turning
the pressure relief cap as shown in Figure 4-17.
If the pressure cannot be set to the correct setting, read Section 5.2.
Rotary Vane Compressor Service and Vanes Installation to check
operation. If required, replace rotary vane compressor as shown on
page 4-15.
n) Tighten the lock nut to 50 in-lbs ±5 in-lbs (5.6 Nm ±0.6) and ensure the
air pressure did not change after tightening the lock nut.
o) Turn the heater off. Wait until purge mode is complete (approx. 3 minutes).
p) Remove the Pressure Gauge Adapter and Harness. Lubricate Air Pressure
Relief Valve O-ring with diesel fuel and re-install the Air Pressure Relief
Valve in it’s original location. Torque to 25 in-lbs ±3 in-lbs (2.8 Nm ±0.3
Nm). Reconnect the Ignition Module and Fuel Solenoid connector to the
G-I PCM. Re-install the Flame Shield, the Ignition Electrode Assembly and
Burner Head onto the Heat Exchanger.
q) Connect the Power, Overheat/Temperature Sensor & Coolant Pump
electrical connections to the heater Burner Head and reconnect the fuel
line.
r) Activate the heater with the remote switch and observe operation. The
heater should run smoothly with no smoke although there may be some
hesitation initially due to air in the fuel line.
s) Remove the remote switch and re-connect the control connection.
If a Start diagnostic code is indicated, proceed to Step 7.