14
S&C Instruction Sheet 665-506
Installation
Completing the
Installation
Step 6
Check functional operation of key interlocks, if furnished .
Ç
WARNING
An extra set of keys is provided with pad-mounted gear that has optional key
interlocks . These keys are for use only during installation . After installation, either:
(1) de stroy the extra set of keys or (2) make them accessible only to authorized
persons . This will maintain the integ rity of the key-interlock scheme .
NOTE:
Key interlocks are not security locks and are not a substitute for
padlocks .
NOTICE
Do
not
force doors open .
Forcing a door open can damage the latching
mechanism.
If optional key interlocks are furnished, correctly position the interlocks so the
doors can be opened .
Step 7
Make sure that doors open and close without binding . To complete the instal-
lation, caulk around the bottom of the enclosure using room-temperature vulcanizing
(RTV) silicone-rubbber compound applied with a standard caulking gun . Apply a suitable
compound to fill the spaces between the cable and the conduit, and cap all empty conduits
to prevent the entry of moisture or rodents .
Step 8
Remove the lifting tabs and replace the bolts to plug the blind-tapped holes .
1 .
Check the interior of the pad-mounted gear . Remove all foreign materials and tools
2 .
that may have been mislaid, and sweep the interior clear of debris .
Store spare SMU-20 Fuse Units, SM-4 Refill Units, or Fault Fiter Interrupting Modules
3 .
(as applicable) in the fuse-storage racks inside the fuse-compartment doors .
Wipe down the exterior of the enclosure with a clean, damp cloth . To preserve the
4 .
integrity of the surface, refinish any scratches or abrasions with S&C touch-up finish
and red-oxide primer which are available in aero sol spray cans . Order Catalog Number
9999-058 for olive-green finish, 9999-080 for light gray finish, and 9999-061 for red-oxide
primer . No other finish or primer is approved . The area to be touched up should be
cleaned to remove all oil and grease . Sand the area, removing any traces of rust that
may be present, and make sure that all edges are feathered before applying primer .
Labels indicating the area around the pad-mounted gear that must be kept clear so that
5 .
work on the gear can be done safely are provided in the “Installation and Operation
Information Kit .” These labels (or equivalent labels) should be affixed to the exterior
of the gear .
Upon completion of these installation instructions, refer to S&C Instruction
6 .
Sheet 665-510 for operating instructions .
