Viking Pump TSM280: Duralobe (Discontinued) - Manual (Page 54)

Page : 52
4.3.6 Double O-ring Seal
Refer to Fig 32.
Fig 32
- During Pump assembly Install seal housings (156) to rotorcase securing
with screws (157).
- Install o-rings (159) into grooves within the inside bore of seal sleeve (158).
Note: Do not lubricate o-rings (159).
- Install o-rings (154) into grooves on the outside of seal sleeve (158).
- Install seal sleeve assemblies (158,159,154) into rotorcase (item 40 see fig
5.6 on page 60) ensure drive lugs locate with seal housings (156) correctly.
- Install o-rings (151) into the back of rotors (item 41 see fig 5.6 on page 60).
- Install seal sleeve (152) into rotors (item 41 see fig 5.6 on page 60)
ensuring drive lugs locate with rotor slots correctly.
- Install rotor assemblies to shafts (items 9 and 10 see fig 5.6 on page 60),
refer to section 4.2.3. Care must be taken when entering seal sleeve (152)
into o-rings (159).
- To disassemble reverse the above procedure.
- Before disassembling the seals, ensure pump is fully shutdown, refer to
section 3.5.