PASCOR ATLANTIC FAS2-V User manual

IB-FAS2-V
April, 2014
Type FAS2-V
7.5 THRU 69Kv
600 – 1200 Amp
61 KA Momentary
Center-Break, Gang-Operated Outdoor Air Disconnect Switch

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Contents
Subject Page
Receiving and Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation and Adjustment
Step 1. Cranks and Insulators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Step 2. Mount Current Carrying Parts . . . . . . . . . . . . . . . . . . . . . . . . . 2
Step 3. Switch Blade Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Step 4. Mount Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Step 5. Mount Offset Bearing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Step 6. Install Interphase Rods and Offset Crank Rod . . . . . . . . . . . . . . 3
Step 7. Install Vertical Operating Pipe . . . . . . . . . . . . . . . . . . . . . . . . . 4
Step 8. Install Pipe Splice and Guide Plate . . . . . . . . .. . . . . . . . . . . . . . . 4
Step 9. Install Operating Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Step 10. Arcing Horn Instillation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Step 11. Final Checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Terminal Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Renewal Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Suggested Tools
•15/16” Open-End Wrench
•15/16” Socket
•3/4” Open-End Wrench (2)
•3/4” Socket
•1 1/2” Open-End Wrench or Adjustable
•Lineman Pliers
•Tape Measure
•Angle Finder
•Metal Cutting Saw
•Level

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IMPORTANT: Read manual before installing or maintaining equipment! Make absolutely sure that
equipment is de-energized and properly grounded.
This manual should be used in conjunction with the factory drawings. The drawings contain critical
information, which if not followed could affect the operation of the switch.
Instructions cannot cover all possible variations in equipment nor provide for every possible contingency
to be met in connection with installation, operation or maintenance. Should further information be
required or should particular problems arise which are not covered sufficiently for the purchaser’s
purposes, the concern should be referred to the factory.
For Technical Assistance Call 276-688-3328
RECEIVING INSPECTION
Check the shipment for completeness against the
bill of material and installation drawings. If
damage is found, file a claim immediately with
the transportation company and notify your
Pascor Atlantic representative.
HANDLING
Handling of disconnect switches should be done
with care. Porcelain is fragile and may be
damaged due to improper handling.
Factory drawings should be followed during
installation. It is recommended that switches be
fully assembled and adjusted at ground level
before being placed into position. This should
minimize final adjustments.
Lifting of switches by insulators, contacts, or
live parts should be avoided, because of possible
damage to these parts. Attachments for hoisting
should be made to the switch bases unless
otherwise instructed.
CAUTION: When uncrating switches having
blade counterbalances, open the switch blade
to relieve the pressure of the counter balance
before removing the live parts from the base.
INSTALLATION AND ADJUSTMENT
Step 1—Switch Blade Adjustment
Check the control drawing to determine the
drive crank FOR EACH POLE. Using the drive
crank, move the switch blades toward the closed
position and observe that the blade end contact
enters the jaw contact properly. See Fig. 3.
If length adjustment is needed raise or lower the
leveling screws located at the base spacers. If
angular adjustment is required this can be
accomplished at the same time. If torsional
adjustment is necessary adjust the inter-pole
linkage. Shorten the linkage for more close and
lengthen the linkage for less close.
With the switch closed and the blades properly
in line set the closed position stop.
Step 2—Mount Switches
Assemble the switches on the supporting
structure in accordance with the positions shown
on the installation drawing. The switches
should be mounted level and parallel with each
other. In case of a warped structure, shimming
under the switch bases may be required.
Step 3—Mount Offset Bearing
For those installations requiring an offset
bearing, mount the offset bearing and its
supporting base on the structure in the position
shown on the installation drawing.Check
operating crank for proper length radius and

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angle, and stop crank for correct position. See
Fig. 5 & 6.
If the offset bearing has an adjustable crank, it is
sometime necessary to add ¼” to ½” to the trial
radius given on the control drawing to get
required travel of switch blades. This additional
length allows for lost motion and clearances in
pin holes and will also provide a definite audible
sound accompanied by a reasonable amount of
deflection in the structural members when the
crank crosses the dead center position. This
serves as a signal to the operator that the switch
is fully closed.
Step 4—Install Interphase Rods
With all blades in the closed position, install the
interphase rods and offset crank rod as follows:
a. Lengthen the interphase rods that are in
compression during opening, as much as
possible, yet allowing for the pins to be
inserted.
b. On the rods that are in tension during
opening, shorten them as much as possible,
yet allowing for the pins to be inserted.
c. The offset crank rod between the outboard
bearing and the driven switch should be
handled the same way

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d. For lubrication of pins and bearing areas, see
Table 2.
Step 5—Install Vertical Operating Pipe
For directly connected switch operating
mechanism, attach vertical operating pipe to switch
rotor bearing shaft. Or, In the case of offset-
torsional operating mechanism, attach vertical
operating pipe to offset rotor bearing shaft, with
coupling and pins supplied. For reference, see Fig.
7. At this point, check drawings for accessory
equipment (auxiliary switches, mechanical
interlocks, position indicators, ground straps, etc.)
which mounts on vertical operating pipe and install
before continuing installation. The vertical pipe is
predrilled at one end for a 5/8” diameter pin, two of
which are shipped, together with a coupling, in a
bad, for connection to the offset bearing shaft (or
on the pole unit rotor bearing in the case of direct
connection switches)
When the length of the vertical operating
pipe exceeds 23 feet, a pipe splice and a
guide plate are furnished and should be
installed. The pipe spice and both pieces of
pipe are pre-drilled to receive the 5/8”
diameter pins. The guide plate should not be
solidly mounted until after the vertical pipe
has been completely installed; then bolts
holding the guide plate on the structure
should be tightened in order that the holes In
the guide plate line up with the normal
position of pipe. This assures that there is no
binding.
Step 6—Install Operating Mechanism
Two types of manual operating mechanisms
•Swing-handle operator
•Worm gear mechanism
Swing Handle Operator
To install the swing handle operator:
1. With ground strap in place on vertical
operating pipe, slide handle and handle lock
plate over the end of the vertical operating
pipe
2. Fasten the lock plate at the proper location.
Recommended height for the lock plate is 3
ft. 6 in. above ground.
Note: The lower end of the vertical
operating pipe should extend through the
lock plate at least 3 inches. It may extend as
much as 3 feet or more, just so it doesn’t
touch the ground or column footing.
3. The lock plate assembly (Fig. 8) consists of
two castings, mounted on the pipe guide
plate, which can be easily adjusted in an arc
to provide the required rotation. These act
as locks for the manual operating handle
when it is dropped from the operating
position. The handle must be raised to a
horizontal position for operation.
4. With the switch in the fully closed position,
set the handle clamp so its set screws are 4
inches above the lock plate and its vertical
centerline is at or near as possible to the
closed position, see Fig. 8.
5. Temporarily fasten the handle to the pipe
with the set screws.
Worm Gear Mechanism
1. With ground strap in place on vertical
operating pipe, slide worm gear mechanism
over the vertical operating pipe and attach it
to the structure.
2. Remove the small position indicators, which
are attached to the worm gear coupling with
Allen set screws.
3. Tighten hex head set screws in the coupling
until the vertical operating pipe is pierced.

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Fig. 10 MO-10 Motor Operator
4. If all stops at switch elevation have been set,
including the offset bearing, then it is safe to
reinstall the position indicators on the worm
gear mechanism. These indicators should
not quite touch the raised boss on the worm
gear housing in either the open or closed
position. There is a possibility of damage to
the indicators or the coupling if this is not
observed
Motor Operator
For remote operation, a motor operator is
supplied and it should be installed per the
instructions supplied with it.
Step 7—Arcing Horn Installation
Arcing horns are furnished only when horn
gap switches are ordered. When arcing
horns are used, they should be installed and
adjusted after the switches are mounted and
adjusted.
The arcing horn should be adjusted to make
very light contact when the switch is
operated, the main switch contacts should
separate before the arcing horns disengage.
Refer to arcing horn assembly drawing
supplied with the order for detailed
information.
Step 8—Final Checks
The completed 3-pole installation should be
checked for the following:
1. In the open position, the blades should be
between 90° to 93°.
2. In closing, blades should make central entry
into their jaws at approximately the same
time.
3. In the closed position, all blades must be in
full contact with jaws.
4. All bolts are tight and all cotter pins are bent
adequately.
5. The single poles are held against or nearly
against their individual rotor bearing stops in
both the open and closed positions and also
the stops on the offset bearings are engaged.
6. Operating effort required to operate the
switch is not excessive.
Fig. 9 Geared Mechanism

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TERMINAL CONNECTIONS
The aluminum surface of the terminal
connection provides for easy current transfer.
Notice: In cases where a copper conductor is
used, bolt a tinned terminal clamp (if available)
to the aluminum switch terminal pad.
If a non-tinned terminal clamp is used, apply a
liberal amount of electrical joint grease at the
joint and all over the pad of the fitting.
To connect aluminum – to - aluminum
terminals:
1. Clean all contact surfaces of conductors and
fittings using a stiff wire brush to remove
heavy oxide coatings until the aluminum
finish is visible and restored.
2. Coat these now clean contact areas with a
liberal amount of corrosion inhibitor such as
NO-OX-ID”A Special” or No. 2 EJC.
3. Abrade the contact surface through the
corrosion inhibitor again using the stiff wire
brush.
Notice: Do not remove the compound.
4. Connect the terminals and tighten bolts
To connect copper-to-aluminum terminals:
1. Except for plated surfaces, clean all contact
surfaces of conductors and fittings using a
stiff wire brush to remove heavy oxide
coatings until the aluminum finish is visible
and restored.
2. Prepare any bare copper surfaces in the
usual manner.
3. Coat these now clean contact areas with a
liberal amount of corrosion inhibitor such as
NO-OX-ID “A Special” or no. 2 EJC.
4. Abrade the contact surface through the
corrosion inhibitor using a stiff wire brush.
Notice: Do not remove the electrical joint
grease.
5. Connect the terminals and torque the bolts
as per Table 1.
MAINTENANCE
WARNING
Before servicing the switch, be sure it is
disconnected from all electric power
sources and properly grounded.
A certain amount of care and inspection is
recommended. The frequency of inspection
depends upon atmospheric conditions and
frequency of operation. The service interval is
largely determined by the user. Recommended
maintenance is similar to that listed in the latest
industry standards.1First, it is important that the
insulators are always clean. It is also important
that the contacts be examined to see that they are
aligned, clean, and have a firm uniform pressure.
If the contacts are pitted, or burned to some
extent, they should be removed and replaced.
Under normal service conditions, the jaw
contacts should be examined and maintained at
least once a year, depending upon the type of
atmosphere to which they are exposed.
Periodic maintenance should consist of cleaning
the contact surfaces thoroughly by carefully
scraping off any contamination or deposit and
sanding the surface entirely clean, a coating of
lubricant should be applied. Suggested
lubricants are MOBIL 28 grease of NO-OX-ID
“A Special”. MOBIL 28 is an Exxon Mobil
Company product. NO-OX-ID is made by
SANDCHEM INC.
In general, operating linkages require virtually
no maintenance. However, in contaminated
atmospheres of where operation under sleet
conditions is common some lubrication at pivot
points may be desirable. The grease used should
be durable even when exposed to the elements,
and should retain its viscosity over a wide
temperature range.
1ANSI C37.35 (American National Standard Guide
for the Application, Installation, Operation and
Maintenance of High-Voltage Air Disconnecting and
Interrupter Switches)

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RENEWAL PARTS
Refer to the switch nameplate when ordering renewal parts. The nameplate is attached to the
base assembly of each switch pole. The same data is shown on the record engineering drawings.
The master file at the factory is linked to the serial number on the nameplate.
Renewal Parts Ordering Information
Serial Number
Switch Type
Part Name
Quantity Required
Max. kV
B.I.L. kV
Cont. Amps
Mom. Amps
Refer your requests for renewal parts to the Factory.
Table 2
Lubrication Guide for Outdoor Switch Components
Part Name Type Lubricants
Recommended
Amount
Applied
Qty. Req’d. for
(6) Three-pole
Switches
Jaw Fingers
NO-OX-ID Grade “A”
Special or Mobil 28
Grease
Medium
Coat
Blade Ends
NO-OX-ID Grade “A”
Special or Mobil 28
Grease
Medium
Coat (1) Quart
Pins On current
carrying parts
Mobil 28 Grease or DC-4 *
Pins On control
parts
Mobil 28 Grease or DC-4 Light Coat (1) Quart
Bearing Areas
On control parts
Mobil 28 Grease or DC-4
Medium
Coat
Terminal
Connections
NO-OX-ID Grade “A”
Special or NO 2 EJC
Heavy
Coat
(1) Quart
Table 1
RECOMMENDED TORQUE
FOR ALUMINUM BOLTS
Bolt
Diameter,
Inches
Lubricated Threads Dry Threads
In. – Lbs. Ft. – Lbs. In. – Lbs. Ft. – Lbs.
1/2 240 20 420 35
5/8
480
40
720
60
3/4
720
60
1140
95