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Installation, Operation & Maintenance Guide

Style 58

REMOVING THE SEAL

Before opening the pump to remove the seal the warning stated above regarding toxins and
hazardous products must be reiterated. Make note of all fluids contained in the pump, drain
and decontaminate before opening the housing for seal service.

1

. Ensure all fluid has been drained and vented. Equipment should be shut down and locked/tagged out

according to OEM and plant specifications.

2

. Dismantle equipment sufficiently so that the gland plate and seal housing are exposed and accessible for

service.

3

. Reset the setting clips that were saved from installation.

4

. Back-out the cup point set screws.

5

. Remove the gland bolts/nuts in an even manner.

6

. Carefully slide the seal out and off of the shaft.

If a part is going to be returned for service or to any third party, all shipments should have
appropriate safe-handling instructions securely attached to the package.

[F]

[D]

[V]

Figure 8: Style 58A with multipoint injection and a floating carbon throttle bushing.

Page 6 of 6

Содержание Style 58

Страница 1: ...TERS REPAIR SERVICE 1 Jackson Street Rua Javaés 441 443 1719 South Sonny Avenue Essex Junction VT 05452 Bom Retiro Sao Paulo Gonzales LA 70737 Brazil CEP 01130 010 TEL 802 878 8307 TEL 55 11 3736 7373 TEL 225 484 0007 FAX 802 878 2479 FAX 55 11 3736 7355 FAX 225 341 8922 REVISED February 2019 ...

Страница 2: ...ed out by qualified personnel who have thoroughly read all instructions 3 The seal must only be used for its intended application Flex A Seal cannot be held liable for use outside the scope of the recommended application 4 Inspect the replacement seal prior to removal of the old seal or installation of the new seal using the technical information provided in this document Contact a Flex A Seal rep...

Страница 3: ...er face of rust burrs grit sharp edges and set screw damage using fine emery cloth Wipe clean Avoid making flat spots or reducing the shaft diameter 4 If the pump is equipped with a shaft sleeve verify the condition of its O ring or gasket and ensure that it is properly located fully engaged against step hook snap ring 5 Sealing surfaces and the shaft or shaft sleeve must have at least a 63 Ra µin...

Страница 4: ...haft movement shaft runout 0 0015 0 003 in Fig 3 Radial bearing fit 0 002 0 003 in Fig 4 Bearing frame perpendicularity 0 0005 in in Fig 5 Axial shaft movement end play 0 005 in Fig 6 Seal chamber bore concentricity 0 005 in Fig 7 Seal chamber face squareness 0 0005 in in For proper function and satisfactory operation of the seal it is imperative that connections dimensions finishes and alignments...

Страница 5: ... 3 Ensure the shaft and seal housing have been properly cleaned as described in the preparation section 4 Lightly lubricate the seal sleeve O ring with a suitable and compatible lubricant 5 Gently slide the seal on the shaft with the gland gasket facing but clear of the seal chamber 6 Reassemble the pump as described by the pump OEM 7 Bolt the gland to the seal chamber using the Legacy Method Star...

Страница 6: ...tect personnel Leakage could come from a number of leak paths in the seal or be caused by changes in the pump operation or condition Although seals should be inspected regularly for signs of leakage a properly selected and functioning mechanical seal will run for extended durations without need for extra attention and should not be disturbed unnecessarily i e shut down and disassembled without cau...

Страница 7: ...ding to OEM and plant specifications 2 Dismantle equipment sufficiently so that the gland plate and seal housing are exposed and accessible for service 3 Reset the setting clips that were saved from installation 4 Back out the cup point set screws 5 Remove the gland bolts nuts in an even manner 6 Carefully slide the seal out and off of the shaft If a part is going to be returned for service or to ...

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