WERATING PERSONNEL HEATER - Continued
Any time heater is started, it should be operated for at least 5 minutes to clear heater
of all excess fuel introduced during starting. After heater starts, it maybe operated at
either HIGH or LOW heat by positioning of the HIGH-LOW switch.
1. To stop heater operation, move the heater control switch to the OFF position. The
blower will continue to operate for approximately 3 minutes to allow the system to
2. DO NOT USE THE VEHICLE MASTER SWITCH TO SHUT THE HEATER
DOWN. If this instruction is not followed, fuel vapors will accumulate in the ventilat-
ing air circuit and/or the heater may be damaged by reverse burning.