General Pump HF Repair Manual - Manual (Page 13)

GENERAL PUMP
A member of the Interpump Group
HF SERIES
Pay careful attention to the order of sealing pack disassembly as shown in fig. 27 for HF22A
and HF25A version pumps, and fig. 27a for HF18A version composed of:
1. Head ring
2. HP seal
3. Restop ring
4. Packings support
5. LP seal
6. Sealing ring
7, Circlip
8. O-ring
Page 13
B) Extract the high pressure seals from the head, and the low pressure seals from their related support
by using standard tools as shown in 5, fig. 26; be careful not to damage the seats.
Ref 300623 Rev.A
01-12
Sealing Packings, version HF22A and HF25A Sealing Packings, version HF18A