4-OPERATINGINSTRUCTIONS
Transmissionoperationatlowambienttemperatures
Warmupperiod
Thetractorhydraulicoilalsoservesasthetractor
transmissionuid.Duringcoldweatheroperation,the
hydraulicoilviscosityincreases.Thisincreaseinoil
viscosityrestrictstheoil'sabilitytoowandlubricatein
thetransmissionandhydrauliccircuits.Thecoldoilcan
resultinabnormalnoisesandsloweroperationtimesdue
totheincreasedoilviscosity.
NOTE:Awarmuptimeat50%ratedenginespeedisrec-
ommendedtoassurepropervehiclefunctionality,trans-
missionlubricationandoperation.
NOTE:Donotoperatethetractorunderfullloadcondition
untilthehydraulicoilissufcientlywarmedup.
WARNING
Settheparkbrakeduringwarmupoperation.Setall
shiftleverstothe"NEUTRAL"positionsandplacethe
PTOclutchleverinthe"OFF"positionduringwarm
upoperation.Failuretocomplycouldresultindeath
orseriousinjury.
M1478
AmbientTemperature
RecommendedWarm-Up
Time
Above0°C(32°F)
Minimumof5minutes
0--10°C(32-14°F)
5to10minutes
-10--20°C(14--4°F)
10to15minutes
Below-20°C(-4°F)
Morethan15minutes
4-21