7 Servicing/Maintenance
76 of 124
Amarex KRT
Table43: Key to the symbols and codes
Symbol Description
Always secure screwed connections marked with this symbol with
Loctite 243.
1. Unscrew impeller hub cap 260.01 using a special wrench (right-hand thread).
2. Remove O-ring 412.06.
3. Undo (four) hexagon socket head cap screws 914.87. Remove them together
with disc 550.87.
4. Pull off impeller 230 with a special impeller fitting and removal tool.
5. Remove key 940.01.
7.4.3.2.1 Using the special impeller fitting and removal tool
Fig.45: Special impeller fitting and removal tool
1. Screw hexagon head bolt 1 into the shaft end to prevent any damage to the
shaft thread.
2. Screw part 2 into the impeller.
3. Screw fully threaded stud 3 into part 2 and pull off the impeller.
Table44: Special impeller fitting and removal tool
Size Motor
5306
5806
6306
4608
5308
5808
39010
43010
47510
34012
38012
6906
7706
8506
6308
6908
7608
53510
60010
66010
45012
49012
56012
200-631 AV4 AV4
250-630 AV4 AV4
250-632 AV4 AV4
250-900 AV4 AV6
350-632 AV4 AV4
350-633 AV4 AV4
350-636 AV4 AV4
350-710 AV5 AV5
350-713 AV4 AV4
400-632 AV4 AV4