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Recommended hand tools
Type SDV7 distribution circuit breakers uses
both standard SAE (U.S. customary) and
metric fasteners. Metric fasteners are used for
the vacuum interrupters and in the vacuum
interrupter/operator module. SAE (U.S.
customary) fasteners are used in most other
locations. This list of hand tools describes
those normally used in disassembly and re-
assembly procedures.
SAE (U.S. customary):
Socket and open-end wrenches:
5/16, 3/8, 7/16, 1/2, 9/16, 11/16, 3/4 and
7/8 inches; 7, 10, 13, 17 and 19 mm
Hex keys: 3/16 and 1/4 inches; 8 mm
Screwdrivers: 0.032 x 1/4 inches wide and
0.055 x 7/16 inches wide
Pliers
Light hammer
Dental mirror
Flashlight
Torque wrench (0 to 150 ft-lbs
(0 to 200 Nm)).
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