8
9
10
11
Repairing coolant pump with high-temperature and
low-temperature parts D 2866 LUE 605
50
Reassembling coolant pump
Fig. 8
Press in water pump bearing.
Fit the circlip.
Note:
If you change the seals always install a
new shaft and axial face seals.
Fig. 9
Press boss flush on to bearing shaft.
Fig. 10
Turn water pump housing over Press in new me-
chanical seal with press-fitting sleeve (special tool)
until it stops.
Observe installation note for seal on page,
47.
Fig. 11
Press in counterring (arrow) with a suitable pres-
sing tool (may be possible by hand).
Install mechanical seal while “wet”, i.e. to install it,
coat holding sleeve and water pump shaft with a
mixture of either 50% water and 50% cleaning spi-
rit or 40% to 50% antifreeze agent as per MAN
324 and water.