Master-Bilt QS2 handleiding
Handleiding
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8/22 Rev. R 132617 ©2022 Refrigerated Solutions Group. All rights reserved.
WALK-IN MAINTENANCE
SWEE
P GASKET
The sweep gasket was factory installed and tested for proper
operation before shipment. It features a unique cross-section
designed to not only seal the gap between the bottom of the
walk- in door and the threshold or building floor, but its off-set
configuration closes an opening that is normally created at both
ends of a conventional sweep gasket. It is attached to the lower
edge of a walk-in door assembly with 3/4" pan head sheet
metal screws and flat washers.
The sweep gasket extrusion consists of three distinct
durometers (hardness) of vinyl extruded in a one-piece profile.
The rigid area forms the attachment section. The flexible
portion forms the sweep projection and provides the end seal
and an extremely flexible lip that contacts the threshold or
building floor, depending upon the installation.
OPER
ATION
As soon as the door opening sequence begins, the cam-lift
hinges begin raising the door and the sweep gasket releases
its contact with the threshold or building floor. At approximately
90° from the face of the walk-in, the door will reach the "hold
open" position and will no longer rise by cam action. The sweep
gasket will be lifted about 3/8" above the threshold or
building floor.
Whe
n in the closed position, the extremely flexible lip of the sweep gasket should merely brush the threshold or
building floor along its entire length.
ADJUSTING THE SWEEP GASKET
(Initial Installation)
With the door COMPLETELY CLOSED, the proper distance between the bottom of the rigid attachment
area of the sweep gasket and the threshold or building floor MUST BE 1/2".
If this dimension is less than 1/2", the sweep gasket will wear prematurely and will produce excess friction
for the door closer to act against during the door closing sequence.
If this dimension is greater than 1/2", the lower lip will not contact the threshold or building floor and the
seal will be compromised, permitting air infiltration to occur in this area. Measure both ends of the sweep
gasket with the door closed and adjust until exactly 1/2" is attained.
ADJUS
TING THE SWEEP GASKET
(Normal Wear)
After considerable usage, if examination reveals that the lower lip of the sweep gasket has worn to a point where
noticeable air infiltration is occurring, merely loosen the attachment screws and the lower the gasket only enough
to permit the lower lip to brush the threshold or building floor while the DOOR IS IN THE CLOSED POSITION. Do
not lower the gasket more than is necessary! Tighten the attachment screws and check the operation.
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Productinformatie
| Merk | Master-Bilt |
| Model | QS2 |
| Categorie | Koelkast |
| Taal | Nederlands |
| Grootte | 40845 MB |