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5 Maintenance
This page is not applicable for ATEX applications.
For ATEX application see ATEX addendum
5.5.4 Hyclean single mechanical seal
Item
Description
81
Rotorcase O-ring
82
Wave spring
83
Stationary seal ring
84
Shaft O-ring
85
Rotary seal ring
86
Washer
89
Clip
81
82
83
90
89
84
85
86
3201-0002
Seal removal:
1. Remove rotorcase cover, rotors and rotorcase.
2. Undo screws and remove clips (89) and washers (90) from the rotorcase.
3. Remove the stationary seal rings (83), wave springs (84) and rotorcase O-rings (81) from the rotorcase.
4. Remove the rotary seal rings (85) and rubber washers (86) from the shafts.
5. Remove the shaft O-rings (84) from the shafts.
Seal fitting:
1. Lightly lubricate shaft O-rings (84) with appropriate grease and fit to shafts.
2. Lightly lubricate both sides of rubber washer (86) and fit to rotary seal rings (85) ensuring location under the drive pin.
3. Slide the rotary seal rings on to the shafts lining up pins to slots on the shafts.
4. Lightly lubricate rotorcase O-rings (81) with appropriate grease and fit to rotorcase.
5. Fit wave springs (82) into the rotorcase seal bores.
6. Press the stationary seal rings (83) into the rotorcase, lining up slots.
7. Replace clips (89) and washers (90) by tightening screws.
Note: For SRU1-5 pump models the washer is placed underneath the clip but for SRU6 pump models the washer is
placed on top of the clip.
8. Wipe clean the sealing faces with solvent.
9. Refit the rotorcase, rotors and rotorcase cover.
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Содержание SRU series
Страница 1: ...ESE00693 EN14 2017 09 Original manual Instruction Manual Rotary Lobe Pumps SRU Range ...
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