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B. Damper Adjustment
Adjust the Damper as Needed
The tension on this appliance's damper is adjustable to
compensate for compression of the gasket that seals the
damper to the upper fireback. To adjust the damper:
1. Remove the griddle. Loosen the lock nut at the center of
the damper, Figure 6.2.
2. Turn the pressure screw approximately one half turn
clockwise with an Allen wrench provided with your stove.
3. Tighten the lock nut. Prevent the pressure screw from
turning as you tighten the nut. Re-test the damper.
Pressure Adjusting
Screw
Allen
Wrench
Figure 6.2 - Adjust the damper with the Allen wrench.
Tighten the Damper Handle as Needed
A handle on the left side of the stove controls the damper.
The handle attaches to the damper rod with a set screw.
Periodically check the set screw and tighten as necessary.
C. Front Door Adjustment
The load doors are factory adjusted for clearance, proper
sealing and latch operation. However, the doors can
sometimes shift in transit or from use and may need to be
readjusted. The adjustment/alignment procedure is simple
ST554
and only requires a 7/16" wrench and a few minutes. We
have provided a detailed video explaining how to properly
Damper adjustment
adjust and align the doors.
11/00
D. Ash Door Adjustment
Just like the load doors, the ash door is factory adjusted for
properly operation and minimal sag. If the door does require
adjustment to minimize sagging at the latch side, a simple
adjustment requiring only a 7/16" wrench will get the door
back into proper alignment. We have provided a detailed
video explaining how to properly adjust the ash door.
Note: For video instruction please refer to www.
vermontcastings.com. Click on the YouTube link located
in the upper right hand corner next to the "Search" bar.
32
Vermont Castings • Defiant® Model 1975-CAT-C Installation Manual_R12 • 11/21
Lock Nut
Figure 6.3 - Rotate pawl and/or remove flat washer to adjust latch.
Damper
E. Gasket Replacement
Replace the Stove Gaskets as Needed
Your appliance uses fiberglass rope gaskets to make a tight
seal between some parts. With use, particularly on moving
parts, gaskets can become brittle and compressed and can
begin to lose their effectiveness. These will need periodic
replacement.
The sizes of replaceable gasket are listed below, along with
their applications.
Gasket Diameter......And the Parts it Seals
5/16" The griddle to the stove top (wire reinforced gasket)
5/16" The damper to the upper fireback
3/8" The front doors to the stove front; and the doors to
3/8" The ash door to the front of the bottom panel
3/16" The outer glass panes to the door
Wait until the fire is out and the stove has cooled. Be sure to
follow the standard safety procedure for working with dusty
materials: wear safety goggles and a dust mask.
The procedure for replacing gaskets is the same, regardless
of the gasket location. Follow these steps:
1. Remove the existing gasket by grasping an end and pulling
2. Use a wire brush or the tip of a screwdriver to clean
►
Roller
Lock Nut
Set Screw
Flat Washer
ST1154
door pawl
each other.
firmly, Figure 6.4.
the channel of any remaining cement or bits of gasket.
Remove stubborn deposits of cement with a cold chisel
if necessary, Figure 6.4.
Shoulder Screw
Handle Stub
8390-975
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