44 SAFETY INFORMATION
• Heater/Defroster ― Check operation and blowers for speed control, noise and temperature. ― Inspect heater core for signs of corrosion and/or leakage. ― Check that the defroster blend door is operating correctly and that all ducting is connected properly. ― Be sure that vents are not obstructed by debris or other objects.
Auxiliary Cab Heater To ensure maximum in-cab comfort (even under severe cold weather conditions) contact a MACK subsidiary or distributor for details concerning auxiliary in-cab heaters (see figure below).
C0029131
https://www.truck-manuals.net/
