
Chapter 9
Visco
Twin_002 EN
Page 9-4
9.3.3 Cover
Disassembly
1.
Loosen and remove screws 1041.
2.
Remove the cover.
3.
Thoroughly clean the cover and its seal seat.
•
If necessary, loosen the cover using slight blows of a hammer (plastic
hammer) because it is centred by dowel pins 2196.
Installation:
1.
Insert seal 2192 into the cover. Place the cover onto pump casing 1033 via the cylindrical pins,
screw in and tighten screws 1041.
9.3.4 Removing and installing screw spindles
•
Relieve existing counter-pressure device, drain quench fluid, unscrew and
remove connections.
Disassembly:
1.
Loosen and unscrew hexagonal screws 1016 and remove them with washers 1015. Remove
pump housing.
2.
Loosen and unscrew spindle screws 2180 while holding drive shaft 1000 tight via locking hole
using a tool (steel mandrel), carefully remove O-rings 2104.
3.
Remove screw spindles 2200 + 2201 from the shaft. (Use puller)
4.
Check the screw spindles, shafts as well as the pump casing for damage and carefully clean
all parts. Replace O-ring 2198 on seal housing 1029.
Fig. 9.3
Manual ViscoTwin 104-xx 3A