MTU Detroit Diesel 183 Series Technical Publication page 23

General
Group Designation
Belt pulley to coolant pump
20
Raw water pump
Impeller clamping nut to drive shaft
Nut M8, bearing housing with intermediate element
Plug to pump housing
Coolant cooler (plate-core cooler)
Plate-core pack securing element M12
Rigid fan to resilient hub
Viscose fan/resilient hub/intermediate element and belt pulley to
hub/vibration damper
Hub/vibration damper
Fan bracket to crankcase
Clamping arm to fan bracket
Stud to fan bracket
Clamping element for clamping screw to clamping arm
Fan shroud to engine carrier/oil pan
Intermediate element, coolant temperature transmitter to crankcase
Coolant temperature transmitter to crankcase
Retainer to fan shroud
Viscose fan to belt-pulley hub
20080/1 E 98-12
to pump housing
M18X1.5
G1 1/4 A
Tighten diagonally and evenly
Pretighten
Further tightening
but not over block dimension
(See sign)
Group 00
Subgroup 0003
Page 9
Nm
25
32 + 3
20 + 2
50 + 10
140 + 10
25 + 3
45 + 5
30
30
30
60
80
50
80
50
180
25
50
30