1
2
3
Removing and installing thermostat
39
Fig. 1
D
D
Remove expansion tank, see page 45
Once the expansion tank has been removed the
thermostats in the water pump housing are visible.
Fig. 2
Take out thermostat.
Check the function of the thermostat as follows.
D
Hang thermostat in a pot filled with water
D
Heat water
D
Use suitable thermometer to ascertain the
opening start and compare it with the set–point
value given in ”Engineering
S
Data
S
Setting val-
ues”.
D
Measure opening stroke if necessary.
Exchange defective thermostats.
Fig. 3
Insert thermostat inserts (ball valve facing upwards
(”TOP”) with new O-ring seal (1) and new seal (2).
3428
3429
1
2
Summary of Contents for D 2866 LE 401
Page 1: ......
Page 17: ...Engine views D 2866 LE401 16...
Page 18: ...Engine views D 2866 LE401 17...
Page 19: ...Cross section of engine 18...
Page 20: ...Longitudinal section 19...
Page 124: ...123 Special tools...
Page 125: ...Special tools 124 2 3 4 5 6 7 9 1 8 6 1 6 2 6 3...
Page 129: ...Special tools 128 21 22 23 25 25 2 24 25 1 26 27 1 27 2 27 20 1 19 2 19 1 20 2 19 20...
Page 131: ...Special tools 130 29 28 30...
Page 138: ......