DAF CF65, CF75, CF85 Series . Manual - part 181
©
200351
8-1
XE-engine cooling system
TECHNICAL DATA
ΧΦ65/75/85 series
2
0
8. XE-ENGINE COOLING SYSTEM
8.1 GENERAL
Thermostat
Coolant pump
Header tank pressure cap
Pressure testing the cooling system
Viscous fan clutch
Thermostat opening temperatures:
standard
- thermostat opens at
approx. 87
C
- thermostat open at least 12 mm at
approx. 99
C
with intarder and/or tropical cooling:
- thermostat opens at
approx. 83
C
- thermostat open at least 12 mm at
approx. 95
C
Thermostat seat
Loctite 638
Maximum radial play
0.16 - 0.20 mm
Pressure relief valve opening pressure
1 - 1.2 bar
Underpressure valve opening pressure
0.1 - 0.02 bar
Closed pressure cap position
Brand name (2) legible horizontally or 60
before
this position.
1
2
M201272
Closed pressure cap
position
Brand name (2)
legible horizontally or
60
before this
position.
Test pressure
0.7 - 0.9 bar
Permissible slip at maximum speed control
10%
Fan drive ( i ) transmission
1,207