WILDEN PUMP & ENGINEERING, LLC
14
WIL-19011-E-07
R E A S S E M B L Y H I N T S & T I P S
Figure A
SHAFT SEAL
TAPE
Figure B
SHAFT SEAL
TAPE
NEEDLE NOSE
PLIERS
ASSEMBLY:
Upon performing applicable maintenance to the
air distribution system, the Equalizer
®
can now
be reassembled. Please refer to the disassembly
instructions for photos and parts placement. To
reassemble the Equalizer
®
, follow the disassembly
instructions in reverse order. The air regulator body
needs to be assembled first, then the diaphragm and
finally the wetted path. Please find the applicable
torque specifications on this page. The following tips
will assist in the assembly process.
• Lubricate air regulator body , Glyd rings and shaft
bore center with NLGI grade 2 white EP bearing
grease or equivalent.
• Clean the inside of the air regulator body bore to
ensure no damage is done to new shaft seals.
•
Stainless bolts should be lubed to reduce the
possibility of seizing during tightening.
MAXIMUM TORQUE SPECIFICATIONS
Model Description of Part
Torque
XSD1
Air chamber/adapter plate
24.4 N·m (18 ft-lb)
Air regulator body/adapter plate
7.9 N·m (70 in-lb)
Outer piston/shaft bolt assembly
(all diaphragms)
54.2 N·m (40 ft-lb)
XSD2
Air chamber/adapter plate
24.4 N·m (18 ft-lb)
Air chamber/adapter plate
7.9 N·m (70 in-lb)
Outer piston/shaft bolt assembly
(rubber & PTFE)
109 N·m (80 ft-lb)
Outer piston/shaft bolt assembly
(Ultra-Flex™ & SIPD)
74.6 N·m (55 ft-lb)
XSD3
Air chamber/adapter plate
44.7 N·m (33 ft-lb)
Air regulator body/adapter plate
7.9 N·m (70 in-lb)
Outer piston/shaft bolt assembly
(all diaphragms)
136 N·m (100 ft-lb)
SHAFT SEAL INSTALLATION:
PRE-INSTALLATION
• Once all of the old seals have been removed, the
inside of the air regulator body should be cleaned
to ensure no debris is left that may cause premature
damage to the new seals.
INSTALLATION
The following tools can be used to aid in the installation
of the new seals:
Needle Nose Pliers
Phillips Screwdriver
Electrical Tape
• Wrap electrical tape around each leg of the needle nose
pliers (heat shrink tubing may also be used). This is done
to prevent damaging the inside surface of the new seal.
• With a new seal in hand, place the two legs of the needle
nose pliers inside the seal ring. (See Figure A.)
• Open the pliers as wide as the seal diameter will allow,
then with two fingers pull down on the top portion of
the seal to form kidney bean shape. (See Figure B.)
• Lightly clamp the pliers together to hold the seal into
the kidney shape. Be sure to pull the seal into as tight
of a kidney shape as possible, this will allow the seal to
travel down the bushing bore easier.
• With the seal clamped in the pliers, insert the seal into
the bushing bore and position the bottom of the seal
into the correct groove. Once the bottom of the seal is
seated in the groove, release the clamp pressure on the
pliers. This will allow the seal to partially snap back to its
original shape.
• After the pliers are removed, you will notice a slight
bump in the seal shape. Before the seal can be properly
resized, the bump in the seal should be removed as
much as possible. This can be done with either the
Phillips screwdriver or your finger. With either the side
of the screwdriver or your finger, apply light pressure
to the peak of the bump. This pressure will cause the
bump to be almost completely eliminated.
• Lubricate the edge of the shaft with NLGI grade 2
white EP bearing grease.
• Slowly insert the center shaft with a rotating motion.
This will complete the resizing of the seal.
• Perform these steps for the remaining seal.
Содержание Wilden XSD Series
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