
Service Procedures
To service the solenoid assembly, use the following procedure:
Remove the two mounting screws which attach the solenoid
cover to the valve body. Lift off the cover. Remove cover’s seal,
solenoid plunger, plunger spring, flux plate, flux sleeve, coil, top
seat, compression gasket, and o-rings.Clean parts which are to
be kept and replace parts to be discarded with those from the
kit. Lightly lubricate the seals. Assembly is the reverse of
disassembly.Tighten the cover mounting screws from 17-20 in-
lbs of torque.
To service the valve assembly, use the following procedure:
Remove the end caps, seals for the end caps (tear drop shape),
return spring, piston, lip seal, and stem. Be sure to note which
end the return spring and its end cap is mounted on. Clean off
the old grease from the valve body, end caps, and piston. Using
the grease packet supplied in the service kit, lubricate the new
stem’s seals, lip seal, and end cap seals.Assembly is the reverse
of disassembly.Tighten the end cap screws from 17 to 20 in-lbs
of torque.
If you have questions concerning how to service this unit, contact
your local authorized dealer or your customer service
representative.
Maintenance &Trouble Shooting Hints:
Valve Not Shifting When Air Is Energized:
1. Check to insure that supply pressure is 20 psig or greater
at the valve’s inlet when shifting valve.
2. Check for possible restrictions in air supply, such as
undersized hoses, fittings, or quick disconnects.
3. Check to insure that the stem moves smoothly.
4. Check stem seals and o-rings for proper installation, dirt,
or damage.
Application Limits
These products are intended for use in general purpose
compressed air systems only.
Operating Pressure Range:
psig Bar kPa
Minimum 20 1.4 140
Maximum 150 10.0 1000
OperatingTemperature Range:
0°F to 160°F (-18°C to 71°C)
Voltage Range:
+10% to -15% of Rating
Installation & Operating Instructions
Valve should be installed with reasonable accessibility for service
whenever possible - repair service kits are available. Keep pipe
or tubing lengths to a minimum with inside clean and free of dirt
and chips. Pipe joint compound should be used sparingly and
applied only to the male pipe - never into the female port.Do not
use PTFE tape to seal pipe joints - pieces have a tendency to
break off and lodge inside the unit, possibly causing malfunction.
Filtered and lubricated air is necessary for maximum valve life
and minimum maintenance.
Factory Pre-Lubrication - All valves are pre-lubricated at
assembly with a petroleum based grease.
Valves will operate mounted in any position.
On dual exhaust models, pipe the supply air into port “P”. On
dual pressure models, pipe the highest supply pressure into the
port that has the highest pressure designation.
Port Identifications / Connections
Installation & Service Instructions
V-253C
SSA/SS2000 SeriesValves
ISSUED: September, 2000
Supersedes: January, 1996
ECN# P27805
Pneumatic Division North America
Richland, Michigan 49083
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!
WARNING
To avoid unpredictable system behavior that can cause personal injury
and property damage:
• Disconnect electrical supply (when necessary) before installation,
servicing, or conversion.
• Disconnect air supply and depressurize all air lines connected to
this product before installation, servicing, or conversion.
• Operate within the manufacturer’s specified pressure, temperature,
and other conditions listed in these instructions.
• Medium must be moisture-free if ambient temperature is below
freezing.
• Service according to procedures listed in these instructions.
• Installation, service, and conversion of these products must be
performed by knowledgeable personnel who understand how
pneumatic products are to be applied.
• After installation, servicing, or conversion, air and electrical
supplies (when necessary) should be connected and the product
tested for proper function and leakage. If audible leakage is present,
or the product does not operate properly, do not put into use.
• Warnings and specifications on the product should not be covered
by paint, etc. If masking is not possible, contact your local
representative for replacement labels.
WARNING
FAILURE OR IMPROPER SELECTION OR IMPROPER USE OF
THE PRODUCTS AND/OR SYSTEMS DESCRIBED HEREIN OR
RELATED ITEMS CAN CAUSE DEATH, PERSONAL INJURY AND
PROPERTY DAMAGE.
This document and other information from Parker Hannifin Corporation,
its subsidiaries and authorized distributors provide product and/or
system options for further investigation by users having technical
expertise. It is important that you analyze all aspects of your application,
including consequences of any failure and review the information
concerning the product or systems in the current product catalog.Due
to the variety of operating conditions and applications for these products
or systems, the user, through its own analysis and testing, is solely
responsible for making the final selection of the products and systems
and assuring that all performance, safety and warning requirements
of the application are met.
The products described herein, including without limitation, product
features, specifications, designs, availability and pricing, are subject
to change by Parker Hannifin Corporation and its subsidiaries at any
time without notice.
EXTRA COPIES OF THESE INSTRUCTIONS ARE AVAILABLE FOR
INCLUSION IN EQUIPMENT / MAINTENANCE MANUALSTHAT UTILIZE
THESE PRODUCTS. CONTACT YOUR LOCAL REPRESENTATIVE.
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