OPTIONAL DAMPER KNOB AND LEAD SCREW
ASSEMBLY INSTRUCTIONS
1. Screw LEAD SCREW into LEAD SCREW NUT about 10
turns clockwise in direction shown.
2. Line up LEAD SCREW with BUSHING hole by sliding
DAMPER left or right.
3. Swing DAMPER toward COVER and guide LEAD SCREW
through BUSHING hole until beginning of SCREW thread is
against BUSHING and SCREW EXTENSION protrudes
through front of COVER.
Hold in place and proceed to step 4.
4. Place KNOB on to SCREW EXTENSION and line up
Allen head SET SCREW in KNOB with FLAT of SCREW
EXTENSION and tighten set screw with an Allen wrench.
2
COVER
DAMPER
DAMPER HINGE
BUSHING NUT
KNOB
STAR WASHER
BUSHING
SET SCREW
LEAD
SCREW
LEAD
SCREW
OUT
SCREW
EXTENSION
FLAT
