Man D 2842 LE 620, Руководство по ремонту

Страница: 153 / 180

Limit values
Service Data
Dimensions
151
Cooling system
Repairing coolant pump with high-temperature
and low-temperature parts
gap: 0,7 − 0,8 mm
Ø impeller: 120 mm
Bearing seat in housing:
Ø 61,976
− 61,995 mm
Ø of bearing: 61,987 − 62,000 mm
Interference: 0,008 − 0,024 mm
Bore for bearing shaft in impeller NT:
17.992
− 18.010mm
Ø of bearing shaft: 18,045 − 18,056 mm
Interference: 0,035 − 0,064 mm
Bore in hub / belt pulley:
23.007
− 23.020 mm
Ø of bearing shaft: 23,048 − 23,061 mm
Interference: 0,028 − 0,054 mm
Bearing seat in housing HT:
35,994
− 35,010 mm
Ø of bearing: 34,989 − 35,000 mm
Interference: 0,006 − 0,021 mm
Bore for bearing shaft in impeller
HT:15.992
− 16.010mm
Ø of bearing shaft: 16,045 − 16,056 mm
Interference: 0,035 − 0,064 mm
Ø impeller: 149,5 − 150 mm
Thermostat
Opening begins at: 82 − 86
_
C (
$
2
_
)
Fully open: 95
_
C ( $ 2
_
)
Lift at least: 9,5 mm at 95
_
C
(The temperature for the start of opening
is printed on the thermostat)
Change seal if thermostat is removed
46