KADANT ELSJ Setup guide

Repair Instructions for the ELSJ

with ISSS Syphon

ﬂuidhandling.kadant.com/en/knowledge-center/installation-

and-repair-instructions/els-elsx-rotary-joints/repair-instructions-for-

the-elsj-with-isss-syphon

Effective: May12, 2023

Introduction

Read all of the instructions before proceeding.

Refer to Kadant Johnson assembly drawing for part

identiﬁcation and to drawing A37640 for torque

speciﬁcations. For easy identiﬁcation, parts used in

individual steps are often accompanied with their

position in the assembly drawing [e.g. gasket (8B)].

Tighten all fasteners in a star pattern. Certiﬁed

drawings are available upon request. Dimensions

are for reference only and subject to change.

Safety

This safety symbol alerts you to risk of death or injury if the instructions

are not followed. In all steps, death or injury may result if the machine is

not de-energized, depressurized, cooled, and stopped. Death or injury

may occur if the product is operated with a ﬂuid type or at a pressure,

temperature, or speed that do not meet its speciﬁcations. Death or

injury may occur if heavy parts and pinch hazards are not handled

properly. Follow your company’s safety procedures.

Step 1

Disconnect the piping and anti-rotation device.

Remove the head.

Equipment must be cooled and free of pressure.

Step 2

Remove the pressure plate and split rings.

Important: Mark the end of the horizontal pipe

where it passes through the pressure plate or

measure and record the distance it is protruding

out. Refer to either during installation.

Note: In some instances a horizontal pipe handling

tool will be needed. Contact Kadant Johnson if one

is needed.

Step 3

Loosen and remove the nipple ﬂange and slide the

rotary joint away from the journal. Remove the

metal gasket (8Q) from the journal ﬂange and

discard. Remove the split wedges and nipple ﬂange

and save for reuse.

Step 4 - SERVICING THE ROTARY

JOINT

Remove the wedge plate and assembly plate by

loosening the two cap screws (31A).

Spring force present during wedge plate removal.

Step 5

Remove the front guide and assembly consisting of

the nipple, spring shoulder, spring, and seal ring.

Note: The spring shoulder may be stuck on the

nipple. Separate the two parts.

Note: ELS rotary joints that are 3 1/2" and larger, the

front guide is contained in the assembly plate and

is removed with it.

Step 6

Separate the wear plate form the body. Remove the

back guide by removing the retaining ring.

Step 7

Discard the seal ring, gaskets, guides, and O-rings.

Inspect and clean all gasket, O-ring, and sealing

surfaces. Replace any damaged parts.

Step 8

Install a new back guide into the wear plate and

secure with the retaining ring. Using a new gasket,

install the wear plate on the body.

Step9

Turn the rotary joint upright and install a new seal

ring, with the concave side facing outward. Install

the nipple into the body followed by the spring.

Step10

Install a new O-ring into the spring shoulder. Install

over the nipple by aligning the keys with the spring

shoulder keyways.

Step11

Install the front guide over the nipple with the two

pin holes facing outward.

Step12

Install a new O-ring into the assembly plate and two

new O-rings into the wedge plate. Using two new

gaskets, install the assembly plate and wedge plate

while lining up the pins with the corresponding

holes in the guide.

Step13 - REINSTALLATION

Slide the nipple ﬂange over the rotary joint nipple

with the taper facing out. Place the split wedges

into the recess of the nipple. Slide the nipple ﬂange

over the wedges.

Step14

Place metal gasket into the journal ﬂange. Lift the

rotary joint up, slide over the horizontal pipe and

into the journal ﬂange. Secure to studs with nuts. An

even gap of 1/8" to 3/16" (3 to 5 mm) should remain

in between the journal ﬂange and nipple ﬂange.

Step15

Place the split rings into the wedge plate. Install the

pressure plate over the split rings and hand tighten.

Position the horizontal pipe as it was in step 2.

Tighten cap screws evenly to 8 ft-lbs (11 Nm). Tap the

pressure plate with a soft-faced hammer to seat the

split wedges. Tighten cap screws evenly to 16 ft-lbs

(22 Nm).

Step16

Install the head using a new gasket. Reinstall the

piping and anti-rotation device.

R-ELSJ-ISSS-SYPHON

The Kadant Johnson Warranty

Kadant Johnson products are built to a high standard of quality. Performance is what you

desire: that is what we provide. Kadant Johnson products are warranted against defects in

materials and workmanship for a period of one year after the date of shipment. It is

expressly understood and agreed that the limit of Kadant Johnson’s liability shall, at Kadant

Johnson’s sole option, be the repair or resupply of a like quantity of non-defective product.

Kadant Johnson rotary joints and accessories could be subject toEuropean Pressure

Equipment Directive 2014/68/EU(PED). Modiﬁcations or changes to rotary jointsand/or

accessoriesare only permitted upon approval of Kadant Johnson. Only

genuineKadantparts and original accessories will ensure the safety ofthese assemblies.

The use of other than original parts voids the warranty and will lead to forfeiture of the

declaration of conformity and will invalidate any liability for damages cause thereby.

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