Allmand MAXI-HEAT 1M BTU Manuel D'utilisation page 19

and examine the coolant level. Add as needed. See
Engine Coolant in Maintenance.
WARNING
Release of hot coolant under pressure could result in death
or serious injury. Use caution when removing the radiator
cap. Wear eye protection and heat resistant gloves.
C. Main breaker. Turn the main breaker to the ON
position. See Features and Controls.
4. Add fuel. Do a check of the fuel gauge(s) and add fuel as
needed. See Add Fuel to the Heater Trailer.
5. Open the heater unit access doors, and turn the heater
unit fuel valves to the OPEN position (parallel with the
fuel line). See Features and Controls.
6. Open the heater outlet doors (A, Figure 14). Install the
correct ducting to the heater outlet cones. See Install the
Ducting.
NOTICE The heater units will not operate unless the
heater outlet doors are open.
7. Remove the air inlet covers (B, Figure 14). Push in the
spring pin on the side of the cover to remove. Ducting can
be installed to the air inlets, but it is not necessary.
NOTICE Failure to remove the air inlet covers could cause
damage to the heater units. Make sure that you remove the
air inlet covers.
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Install the Ducting
Heater Outlet
Each heater outlet can have the following diameter ducting
sizes:
• Two 12 inch (305 mm)
• Single 16 inch (406 mm)
• Single 20 inch (508 mm)
See your authorized dealer.
Strap and Clamp Ducting
1. Install the ducting hose (A, Figure 15) onto the heater
outlet ring.
2. Make sure that the end of the ducting hose is past the
bead in the center of the heater outlet ring (B, Figure 15).
3. Pull the strap clamp tight (C, Figure 15).
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Slip-Lock Ducting
1. Install the worm drive clamp (C, Figure 16) onto the end
of the ducting hose (A).
2. Install the slip-lock connecting band (B, Figure 16) into
the same end of the ducting hose. Stop at the bead in the
center of the connecting band. Make sure that the pins
are on the outer part of the band.
3. Tighten the worm drive clamp.
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