Duo cone seal tool and suitable installation procedure are highly recommended for series production and maintenance work. Installation process has a significant impact on seal performance, and diameters up to 1105mm installation tools are available for different mechanical face seals.
Before installation, arrange a cleaned seal, o-ring & housing and free from any mechanical damage and dent. Cleaning the seal using lint free wipe and ensure the seal face be thoroughly cleaned and no fine particles of dust should remain on it.
Place the o-ring on the metal seal ring at the bottom of the seal ring ramp and against the bottom of the seal ring ramp and against the retaining lip and then check it is properly sleeved. Make sure the o-rings are straight on the rim and not twist or squeeze.
Engage the lip of the floating seal installation tool between the gap of o-ring and seal face inside the circular guide way groove of the tool, and bring the edges of clamp close to each other.
Press the seal ring into the housing like a snap fastener, and press the fixture with even load on the guide plate. Small rings can be manually fixed, however for big rings apply even and gentle pressure around the rim of guide plate using wooden mallet.
Ensure that afterwards the housing face is parallel to the seal face, and o-rings must not undulate in the housing bore or kink and bulge out of the bore. Ensure the clearance between the seal ring housing bores with FUYOTE engineer.
Do not use sharp instruments in floating seal installation. Inappropriate tool cause irreversible damage of metal ring's sealing face. Because mechanical face seals are high precision product, especially the contact band, tools must be used in installation. We recommend the use of installation tools to ensure a proper installation of o-rings. If improperly installed, twist on o-rings might lead to uneven stress and creep down from the metal ring. Eventually cause early failure.
Keep the floating seal in the original packaging until installation, in case dust will get inside the seal before installation. Fine-finished seal faces of the metal seal rings and the o-rings need to be carefully protected from damage and contamination.
The seal housing which contact the rubber o-rings need to be clean and free from machining debris before installation. This should be done using a lint free wipe. Remove the foreign material from the o-rings, ramps and the lips of both seal rings.
Use alcohol to clean the parts instead of any other oil that leaves oil film or do not evaporates. Only use lint free wipes or cloths, and never use tissue paper or cotton waste.
O-rings cannot be used with blow holes or damages. And also cannot be twisted inside housing.
Do not use sharp tools to locate o-rings and hammer on sealing surface.
Check for sealing edge free from dirt, dust, and hair. Keep the sealing surface clean thoroughly before installation, and never allow sealing surface be dirty, keep it be cleaned well before assembly.
After compete the final assembly of the unit, make sure both seals are in the correct hosing position, due to high impact can scratch or break the seal components. A new set will have to be installed even the wear limit is not yet reached, when the seal set is taken apart in the course of repairs.
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