Cooling System; Repairing Coolant Pump With High-Temperature And Low-Temperature Parts - Man D 2842 LE 620 Repair Manual

Service Data

Cooling system

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