Amarex KRT series - Page 82

7 Servicing/Maintenance
82 of 124
Amarex KRT
Impeller fastening elements N110-3
230
412.55
914.10
412.06
260.01
Fig.49: Impeller fastening elements N110-3
1. Insert keys 940.01.
2. Fit impeller 230 using a special impeller fitting and removal tool.
3. Fit impeller hub cap 260.01 with O-ring 412.55 and O-ring 412.06.
4. Screw in hexagon socket head cap screw 914.10 (right-hand thread).
Impeller fastening elements N140, N160
940.01
230
412.06
550.87
914.87 (4×)
260.01
L
243
Fig.50: Impeller fastening elements N140, N160
Table45: Key to the symbols and codes
Symbol Description
L
243
Always secure screwed connections marked with this symbol with
Loctite 243.
1. Insert keys 940.01.
2. Fit impeller 230 using a special impeller fitting and removal tool.
3. Screw in hexagon socket head cap screws 914.87 with disc 550.87. Secure the
hexagon socket head cap screws with a thread-locking agent (Loctite, type243).
4. Insert O-ring 412.06.
5. Screw in impeller hub cap 260.01 using a special wrench (right-hand thread).
7.5.2.2.1 Fitting the impeller using the special impeller fitting and removal tool
1. Fit the impeller using the special impeller fitting and removal tool.
(ðSection,Page83)
2. Fit the impeller fastening elements.