Cooling System
47
Changing from Regular to Extended Life Coolant
Drain the system of old coolant and dis-
pose of properly. The cooling system
should be flushed with clean water. If sig-
nificant deposits are visible, use a reputable
commercial cooling system flush designed
for heavy duty diesel engines. For specific
information over draining and flushing, See
page 122 for D7 and page 124 for D12 en-
gines.
NOTE! Extended Life Coolant is not rec-
ommended by all engine manufacturers.
Contact other manufacturers for their cur-
rent recommendations.
1
WARNING
Do not remove the cap to the
coolant surge tank while the engine
and radiator are still hot. Scalding
fluid and/or steam may be blown
out under pressure if the cap is
taken off too soon.
Drain the coolant into a suitable
container. Make sure the heater tem-
perature controls and valves are open.
NOTE! Always dispose of coolant ac-
cording to Federal or local regulations.
Take all used coolant to a recycling or
waste collection center.
2
Flush the system with clean water to
remove any settled debris.
NOTE! Keep the water pressure low
so as not to damage the tubes of the
radiator.
Summary of Contents for D12
Page 1: ...Operator s Manual Maintenance and Engine VHD ...
Page 182: ...178 Service Charts Repair Record Date Mileage Work Order or Invoice No Dealer Notes ...
Page 183: ...Service Charts 179 Repair Record Date Mileage Work Order or Invoice No Dealer Notes ...
Page 184: ...180 Service Charts Repair Record Date Mileage Work Order or Invoice No Dealer Notes ...
Page 185: ...Service Charts 181 Repair Record Date Mileage Work Order or Invoice No Dealer Notes ...
Page 186: ...182 Service Charts Repair Record Date Mileage Work Order or Invoice No Dealer Notes ...
Page 192: ...188 Service Charts Tire Record Size Ply Rating Make Type Serial No ...
Page 194: ...190 Service Charts Tire Record Size Ply Rating Make Type Serial No ...
Page 196: ...192 Service Charts Tire Record Size Ply Rating Make Type Serial No ...
Page 199: ...Service Charts 195 Filled Date Mileage Fuel Qty Oil Qty SAE No Notes ...
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