35
Model Code Page
23. Cooling system
1. 9. 2002
8450--8750 231 5
15. 5. 1996
F. Coolant pump on 8450---8750 tractors
120
Nm
0,8---1,2 mm
On 8450, 8550 and 8750 tractors the co olant pump pulley
bearing is different compared with other 6---cylinder en-
gines. The belt pulley is different on 8750 tractor compared
with 8450 and 8550 tractors.
The impeller can be removed with puller 9101 93200.
Pump seal no 8353 39425 can be fitted with sleeve 9051
79300. When removing the pulley, tool 9052 48900 can be
used (see instr. C on page 231/2).
Picture 4. Coolant pump, viscous fan and thermostat hous -
ing on 8450 ---8750 tractors.
The thermostats are the same as on 8050 and 8150 trac-
tors.
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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