Porsche 928 Workshop Manual page 291

19
Engine. Cooling
No.
Description
my.
Note When
Special
Removing
Installing Instructions
1 Dolt 3
2 Washer
3
3
Uut
1
4
Washcr 1
5
Pulley 1
Pull off Check runout
6
Woodruff key 1
7 Bolt
4
8 washer
4
9
Viscuous coupling 1
Press off, store Coat seats for ball
so that shaft
bearings on shaft
is horizontal or with Loctite 270 or
inclined no mope 211
than 45'
10 Fan 1
11
Circlip 1
Position correctly
12 Ball bearing (small
1 Pull out with, e.g.,
Check, replace if
diameter inner race)
Kukko internal necessary. Drive in
extractor No. 21/l with suitable mandrel
(12 - 14.5 mm)
13
Ball bearing (large 1
Pull out with. e.g,, Check, replace if
diameter inner race)
Kukko internal necessary Drwe in
extractor No. 21/Z
with suitahlt m.wdrei
(14.5 - 18.5 mm)
14
Fan carrier
1 ChCCk
19 - 4
Disassembling and Assembling Viscuous Fan
Printed in Germany