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WARNING:
INSTALLATION AND MOUNTING
The user of these devices must conform to all applicable
electrical, mechanical, piping and other codes in the installation,
operation or repair of these devices.
INSTALLATION!
Do not attempt to install, operate or repair
these devices without proper training in the technique of working
on pneumatic or hydraulic systems and devices, unless under
trained supervision.
Compressed air and hydraulic systems contain high levels of
stored energy. Do not attempt to connect, disconnect or repair
these products when a system is under pressure. Always
exhaust or drain the pressure from a system before performing
any service work. Failure to do so can result in serious personal
injury.
MOUNTING!
Devices should be mounted and positioned in
such a manner that they cannot be accidentally operated.
INSTALLATION and GENERAL
MAINTENANCE RECOMMENDATIONS
OPERATION
When the cylinder installation is completed correctly, air
pressure delivered from the directional valve to the port on the cap
end of the cylinder will extend the piston rod. A shift of the valve to
exhaust that air and to apply air pressure to the port on the head
end will retract the piston rod.
ADJUSTMENTS
No adjustments are required after the cylinder is installed and
properly aligned.
MAINTENANCE
It is recommended that this cylinder be completely disassembled
approximately every five years for cleaning, inspection, and
replacement of all rubber parts. The first examination on this
particular application will determine if the period between service
should be extended or shortened.
DISASSEMBLY
– Use care not to destroy or scratch any parts
during this procedure.
1. Remove the jam nut (20) from the piston rod (15).
2. With the cylinder lying horizontal on the floor, remove the four
tie bolts (19) on the head end.
3. Remove the tie bolts.
4. Using a mallet, tap the cap (1) away from the tube (2) and
remove the tube seal “O” ring (12).
5. Hold the end of the piston rod (15) and using the mallet, tap
the head (3) carefully away from the tube (2) just far enough to
allow your hand to reach between the head and tube to grab
and support the piston rod. Now continue to tap the head off of
the rod.
6. Pull the piston rod upright to a vertical position and then pull
the tube (2) off of the piston rod assembly.
7. Clamp the piston rod in a vise, protecting the rod’s surface,
and remove the piston (16) from the piston rod (15) by
unscrewing nut and sliding the piston off of the rod.
8. Remove the piston “O” ring (14), and two piston seals (13).
9. Remove from the head (3) the tube seal “O” ring (12), the rod
wiper (10) and the rod seal (11).
CLEANING & INSPECTION
1. Clean all metal parts with a non-flammable solvent and wash
all elastomer or rubber parts with soap and water. Rinse
everything thoroughly and blow them dry with a low pressure
air jet.
2. Inspect all parts and throw away all those that are to be
replaced due to damage, wear or age. Give particular attention
to the recommended replacement parts as indicated on the
parts list.
REASSEMBLY
– Use the exploded view as a guide and lubricate
all seals and grooves with Shell Oil Company’s Aeroshell Grease
14.
1. Assemble the rod seal (11) into the head (3), making sure the
concave side of the seal faces the inside of the cylinder.
2. Install the rod wiper (10) in the head (3) with the sharp edge
facing the outside.
3. Clamp the piston rod (15) in a vise, install the piston “O” ring
(14) and slide the piston (16) onto the rod. Fasten the piston
into place using a torque wrench and tighten to 500 ft-lbs using
Loctite 277.
4. Install piston seals (13) onto the piston (16) with the flat side of
the seals facing the inside of the piston.
5. Set the piston rod assembly on end, protecting the rod’s
surface. Slide the head (3) down over the piston rod (15) being
careful not to cut or damage the wiper (10) or rod seal (11).
6. Lay the piston rod over towards its side and push it through the
head until the piston is about four inches from the head.
7. Set the tube (2) on end and wipe some grease on the inside at
the very top.
8. Insert the tube seal “O” rings (12) into the head (3) and the cap
(1).
9. Fit the greased end of the tube on to the piston. Carefully run a
screwdriver around the first seal to assist the entry into the
tube. Push the tube forward until it enters the groove in the
head (3).
10. Slide the tie bolts (19) through the holes in the head.
11. Install the cap (1) onto the tube and slide the tie bolts up to the
threaded holes in the cap.
12. Using a torque wrench, tighten the tie bolts (19) alternately on
opposite sides to 70 ft-lbs. DO NOT tighten one side first.
13. Thread the jam nut (20) onto the thread of the piston rod (15).
14. The reassembly is complete, therefore test the cylinder for
correct operation and any evidence of leakage. DO NOT
exceed 150 PSIG air pressure.
Installation and General Maintenance Recommendations
