Specifications

Page : 51
4.3.5 Single O-ring Seal
Refer to Fig 31.
Fig 31
- During Pump assembly Install seal housings (156) to rotorcase securing
with screws (157).
- Install o-rings (155) inside bores of seal sleeve (153) using front groove.
Note: Do not lubricate o-rings (155).
- Install o-rings (154) on outside of seal sleeve (153) using front groove.
- Install seal sleeve assemblies (153,154,155) into rotorcase (item 40 see fig
5.6 on page 60) ensuring drive lugs locate with seal housings (156)
correctly.
- Install o-rings (151) into backs of rotors (41 see fig 5.6).
- Install seal sleeve (152) into rotors ensuring drive lugs locate with slots in
rotors.
- Install rotor assemblies to shafts refer to section 4.2.3. Care must be taken
when entering seal sleeve (152) into o-rings (155).
- To disassemble reverse the above procedure.
- Before disassembling the seals, ensure pump is fully shutdown, refer to
section 3.5.