COLD WEA THER OPERA TION DANGER

NOT , under any circumstances, use starting fluid (ether) engine whether not equipped with inlet manifold air heater element. explosion can occur .

Cold W eather Starting T ips

• Save the not overtax the batteries cranking the starter for more than seconds without Allow about two minutes between attempts starting the vehicle; this allows the starter cool and the batteries -

Note: Always make sure that the battery fully char ged cold weather

• Use the correct grade oil for the prevailing winter

• Drain the fuel tanks and filters regularly prevent water accumulation the fuel system. This accumulation can freeze fuel tanks, fuel lines and filters.

W Arning

NOT under any cir cumstances add gasoline, alcohol, used oil additives with metallic particles the fuel.

• the fuel gels and starts clogging filters and small passages, mix a small percentage No. fuel (kerosene) with Ultra - Low Sulfur (15 ppm max) No. (diesel) fuel.

Note: Adding kerosene NOT recommended for general use because both performance and fuel economy will

• Refer the Maintenance and Lubrication Manual for additional cold weather operating

Engine Block Heaters

engine block heater works heating the coolant surrounding the combustion Engine heaters are recommended help combat the extreme demands cold weather operating When the temperature the engine heater can plugged The location the engine heater power receptacle varies according vehicle C0029338

Engine Block Heaters

Engine Heater Benefits

• Eliminates cold weather starting problems.

• Increases engine life significantly keeping the engine warm and avoiding costly , excessive

• Prevents external water leaks caused excessive cold.

• Allows the cab heat more quickly .

• Allows the engine heaters activated soon the engine https://www.truck-manuals.net/mack/

W interfronts

A winterfront, although not recommended, may used during cold weather , with sustained temperatures below25°C ( - 13°F), aid the engine reaching and maintaining engine coolant temperatures within the normal operating range.

Caution

Use a winterfr ont designed for the specific Restricted air flow thr ough the char air cooler can cause higher exhaust temperatur power excessive fan r educed fuel economy and possible engine char air cooler

The use any other type such a radiator cover , car dboar d similar not appr oved Mack T a winterfront used, a MACK - approved exhaust pyrometer must also installed and closely monitored while the engine operation.

Note: The minimum operating temperature 77°C (170°F).

Caution

NOT exceed the maximum exhaust temperatur e listed the pyr ometer T o r educe exhaust temperatur open the winterfr downshift r educe engine power https://www.truck-manuals.net/mack/

Refer the following chart for suggested temperature ranges concerning the use various cold - weather

W inter eatments e NOT RECOMMENDED for vehicles which only operate intermittently cold Sustained temperatur must below25°C ( - 13°F).

For more information please refer the Maintenance and Lubrication Manual https://www.truck-manuals.net/mack/