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HT10V/MT10PKIT O-Ring Replacement Kit For
HT10V Series High Temperature And
MT10P Medium Temperature
Liquid-Cooled Enclosures
Installation Instructions
C1955M (11/98)
®
Pelco • 3500 Pelco Way • Clovis, CA 93612-5699 • USA • www.pelco.com
In North America and Canada: Tel (800) 289-9100 • FAX (800) 289-9150
International Customers: Tel (1-559) 292-1981 or FAX (1-559) 348-1120
O-RING REPLACEMENT (HT10V Series Enclosures)
1. Turn off power to the enclosure.
2. Disconnect the in and out hoses for fluid from the fittings on the front plate of the
enclosure and allow the fluid to completely drain from the front plate.
3. Remove the V-groove hose clamp that attaches the enclosure front plate to the
enclosure.
4. Remove the desiccant bags inside the enclosure and replace them with the two
bags from the kit.
5. Remove the eight screws and lock washers from the enclosure front plate that attach
the backup plate, window, O-ring retainer, and O-ring.
6. Remove the O-ring and discard.
7. Place the enclosure front plate on a flat surface with the inside surface facing upward.
8. Position the new O-ring in the groove on the enclosure front plate around the window
opening.
9. Position the O-ring retainer on top of the O-ring, then position the window and the
backup plate on top of the window. Align the screw holes in the backup plate with
the holes in the enclosure front plate.
10. Reinstall the screws and lock washers finger tight, then tighten them in a star pattern.
Ensure new O-ring remains in the correct position.
11. Place the enclosure front plate on the enclosure and reinstall the V-groove hose clamp.
12. Reconnect the in and out hoses for fluid to the fittings on the front plate of the
enclosure.
O-RING REPLACEMENT (MT10P Enclosure)
1. Turn off power to the enclosure.
2. Remove the V-groove hose clamp that attaches the enclosure front plate to the
enclosure.
3. Remove the desiccant bags inside the enclosure and replace them with the two
bags from the kit.
4. Remove the eight screws and lock washers from the enclosure front plate that attach
the backup plate, window, and O-ring.
5. Remove the O-ring and discard.
6. Place the enclosure front plate on a flat surface with the inside surface facing upward.
7. Position the new O-ring on the enclosure front plate around the window opening.
8. Position the window on top of the O-ring, then position the backup plate on top of
the window. Align the screw holes in the backup plate with the holes in the enclosure
front plate.
9. Reinstall the screws and lock washers finger tight, then tighten them in a star pattern
until they are snug. Do not over-tighten. Ensure new O-ring remains in the correct
position.
10. Place the enclosure front plate on the enclosure and reinstall the V-groove hose clamp.
1.0 INSTALLATION
CAUTION:
There
is no groove for the O-ring
on this model enclosure.
Make sure the new O-ring
remains in the correct po-
sition when reassembling
the window and backup
plate onto the enclosure
front plate. Over-tightening
the screws may cause the
O-ring to displace.