Amarex KRT series - Page 75

7 Servicing/Maintenance
75 of 124
Amarex KRT
4. Pull off impeller 230 with a special impeller fitting and removal tool.
5. Remove key 940.01.
Impeller fastening elements N110X-2
UG1045298
412.06
906.01
230
Fig.42: Impeller fastening elements N110X-2
1. Unscrew impeller screw 906.01 using a special wrench (right-hand thread).
2. Remove O-ring 412.06.
3. Pull off impeller 230 with a special impeller fitting and removal tool.
4. Remove key 940.01.
Impeller fastening elements N110-3
230
412.55
914.10
412.06
260.01
Fig.43: Impeller fastening elements N110-3
1. Unscrew hexagon socket head cap screw 914.10 (right-hand thread).
2. Remove impeller hub cap 260.01 with O-ring 412.55 and O-ring 412.06.
3. Pull off impeller 230 with a special impeller fitting and removal tool.
4. Remove keys 940.01.
Impeller fastening elements N140, N160
940.01
230
412.06
550.87
914.87 (4×)
260.01
L
243
Fig.44: Impeller fastening elements N140, N160