Maintenance
139
Transmission and Rear Axle Maintenance
Transmission
General
Transmissions should not be operated con-
sistently at temperatures above 250
F
(120
C). If the temperature reaches 285
F
(140
C), stop the vehicle to let the tempera-
ture go down (see the vehicle Operator’s
Manual for information on the optional
transmission temperature gauge). Operating
temperatures above 250
F (120
C) increase
the lubricant’s rate of oxidation and shorten
its effective life.
If the transmission oil temperatures are
consistently high, change oil more often or
install an oil cooler. With lengthy or contin-
uous driving at altitudes of more than
6,000 ft (2,000 m) above sea level, more
frequent oil changes will be necessary.
NOTE! Always dispose of oil according to
Federal or local regulations. Used oil
disposed of in nature or waterways contam-
inates our drinking water and kills wildlife.
Take all used oil to a recycling or waste
collection center.
W4001387
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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