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GE PowerVac 5kV VL Instructions Manual page 8

For powervac vacuum circuit breakers type pv vl 4.16-250-0 with ml-19 mechanism

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PowerVac
5kV Vertical Lift
®
Chapter 3. Receiving, Handling & Storage
3-1. Receiving
Each breaker is carefully inspected before ship-
ment. Immediately upon receipt of the circuit
breaker, an examination should be made for any
damage sustained in transit. If injury or rough
handling is evident, a claim should be filed im-
mediately with the transportation company, and
the nearest GE Sales Office should be notified.
CAUTION: THE BREAKER HAS BEEN
SHIPPED IN THE CLOSED POSITION.
3-2. Handling
It is expected that care will be exercised during
the unpacking and installation of breakers so
that no damage will occur from careless or
rough handling, or from exposure to moisture
or dirt. Loose parts associated with the breaker
are sometimes included in the same crate. Check
all parts against the packing list to be sure that
no parts have been overlooked.
3-3. Storage
It is recommended that the breaker be put into
service immediately in its permanent location.
If this is not possible, the following precautions
must be taken to assure the proper storage of
the breaker.
The breaker should be stored in a clean loca-
tion, free from corrosive gases or fumes. Par-
ticular care should be taken to protect the equip-
ment from moisture and cement dust, as this
combination has a very corrosive effect on many
parts.
Breakers should be carefully protected against
condensation, preferably by storing in a warm,
dry room of moderate temperature such as 40 to
100° F. High humidity may have an adverse ef-
fect on the insulating parts and should be
avoided. Circuit breakers for outdoor metal-
clad switchgear should be stored in the equip-
ment only when power is available and the heat-
ers are in operation to prevent condensation.
Rollers, latches, etc. of the operating mechanism
should be coated with GE part No.
0282A2048P009 (Mobil 28 red) grease to prevent
rusting.
If the breaker is stored for any length of time, it
should be inspected periodically to see that
corrosion has not started. Should the breaker
be stored under unfavorable atmospheric con-
ditions, it should be serviced before being placed
on line.
Courtesy of NationalSwitchgear.com
3-4 Safety Precautions
This circuit breaker uses powerful springs for
energy storage. DO NOT WORK ON THE INTER-
RUPTERS OR THE MECHANISM UNLESS THE
CIRCUIT BREAKER IS IN THE "OPEN" POSI-
TION AND BOTH THE CLOSING AND OPENING
SPRINGS ARE EITHER DISCHARGED OR
GAGGED AND ALL ELECTRICAL POWER IS RE-
MOVED.
The precautions are required to prevent acci-
dental operation. Anyone working on the cir-
cuit breaker should be familiar with the con-
tents of this instruction book.
Figure 2. Hooking lifting eyes
3-5 Unpacking the Breaker
The circuit breaker has been supplied with a
box of maintenance items. After removing the
protective cardboard, locate this package and
remove two each breaker lifting eyes. After re-
moving the cleats that attach the breaker to the
skid, hook the lifting eyes on both sides of the
breaker in line with the front edge of the pri-
mary bushing plate at the point of the lifting
arrows (see Figure 2). Connect a 1,000 lb. mini-
mum rated chain fall or sling (not provided) to
these lifting hooks and remove the breaker from
the skid.
Packing List
With your breaker, you should have received:
1. Manual charging handle. (Part No.
0282A7227P001)
2. Gag tool. (Part No. 0209B8043G003)
3. Breaker Instruction Book DEH 40012
4. Elemenatary Wiring Diagram per breaker
summary.
5. (1)Tube of GE red grease. (Part No.
0282A2048P010)
6. (2) Breaker lifting hooks . (Part No.
0348A3356P001)
7. (6) MOC adjustment washers. (Part No.
0348A3185P001
8

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