34
Model Code Page
23. Cooling system
1. 9. 2002
8050, 8150 231 4
15. 5. 1996
E. Cool ant pump and thermostat housing
on 8050 and 8150
The coolant pump is the same as on 8000---8400 tractors,
see instr. C on page 231/2.
8050 and 8150 tractors have two thermostats. Opening
pressure of the smaller thermostat is +79˚Candlarger
+83˚C. The circulation of the coolant has been designed
so that the smaller thermostat opens first and allow a part of
coolant to flow into the radiator. When temperature further
rises the larger thermostat opens and allows coolant to
flow into the radiator.
The coolant pump has been modified from engine ser. no.
K11636 incl . One fixing bolt has been added and the pump
back plate and the gasket has been modified. The earlier
pumpcanbefittedinplaceofthemodifiedpumpbyleav-
ing out the extra fixing bolt. The pumps’ internal parts are
the same.
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