Installation Instructions for Challenger 600/601/604 Monorail Sunvisor System (Kit RCL600/601)

Installation Instructions for Challenger 600/601/604 Monorail Sunvisor System (Kit RCL600/601)
Installation Instructions for Challenger 600/601/604
Monorail Sunvisor System
(Kit RCL600/601)
Doc: 9041-0177-001
This is an FAA STC’d installation requiring a logbook entry upon completion.
Please read through these instructions completely before beginning.
Hardware (included):
6 AN526C832R10
6 AN960D9
2 A8K75
1 3/32 Hex Key
1 7/64 Hex Key
2 PCS-1000-14-STZO
#8-32 x 5/8 SS Screw
Aluminum Washer
#8-32 Open End Aluminum Rivnut
On either side of the Challenger
cockpit, just above the window
line, there are several #8
fasteners. These mounting
points are used to fasten the
monorail brackets to the
overhead side wall and are at
slightly different spacing on
each aircraft measured.
Remove the two #8 machine screws (A) and
(B) on either side of the cockpit. Temporarily
install the pilot’s and co-pilot’s side rails,
using the AN526C832R10 fasteners
86365 College View Road
Eugene, Oregon USA 97405
Page 1 of 2
• Hold the front mounting bracket against the front overhead panel by hand and check the clearance of the
rail as it passes underneath the leading edge of the panel (approximately 8-9” from the end). Clearance
should be approximately 0.150” at this point. Since interior treatments differ in most aircraft, the rail may
need to be bent slightly to obtain this clearance. If such is the case, remove the AN526C832R10 fastener
from the aft bracket and loosen the middle one. With one hand holding the rail at the point it passes
under the panel, gently force the forward end of the rail upward. Replace the fastener in the aft location
and recheck the clearance.
• When sufficient clearance is obtained, firmly fasten the aft and middle brackets and mark the front bracket
fastener hole. Install the rivnuts provided using appropriate installation tooling and procedures. If
desired, appropriate nut plates may be substituted for the rivnuts. Fasten the front brackets.
NOTE: The rivnuts provided are A8K75 with a grip range of 0.010 to 0.075”. These should be
adequate. If using thicker Royalite or other headlining material, make sure that proper rivnuts
or nut plates are used.
• Install a visor assembly on each rail. When the visor is on the rail the tensioning knob should face the
• To move the visors, loosen the thumb tensioning knob until the clamp is loose enough to be slid along the
monorail while holding the thumb knob. To move past the mounting brackets, the visor must be
positioned so the clamps pass over the brackets.
• Your monorail system is equipped with a swivel
design that allows rotation about the axis of the lens.
Rotational tension can be adjusted by adjusting one
or both of the hex socket head cap screws on the
back side of the clamp block and below the thumb
knob screw.
• The visor should be aligned with the clamp block
before sliding along the monorail.
• After tensioning, install retaining e-clips PCS-100014S-STZ0 in the groove at the end of the thumb
tension knob threads. CAUTION: Do not remove the tension knob once the e-clip has been installed, the
visor clamping blocks will separate completely and become non-functional.
Continued Airworthiness Instructions:
• (On the ground only)
Periodically clean the lenses with a soft cloth using Rosen’s Plastic Cleaner, Polisher and
Protectant, or mild soap and water. Do not use abrasives on the lens.
Periodically adjust the pivot tensions on the visor assemblies.
• Updates to this continued airworthiness section are available on the Rosen Website.
The most up to date version of this document is available on the Rosen Website. (
Airworthiness Limitations:
The Airworthiness Limitations Section is FAA approved and specifies maintenance required under §§43.16
and 91.403 of the Federal Aviation Regulations unless an alternative program has been FAA approved.
There are no airworthiness limitations associated with this installation.
86365 College View Road
Eugene, Oregon USA 97405
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