Robinsons R66 - Gas Springs; Door Vent Replacement; Weather Seal (Door Vent) Replacement

52-13 Gas Springs
Refer to R66 Illustrated Parts Catalog (IPC) Figures 52-5 and 52-11.
A. Removal
1. a. Forward Doors: Insert flat-tip screwdriver and pry down on caps to unlock D575-
1 gas spring from ball joints. Push gas spring down and off of ball joints.
b. Aft Doors: Insert flat-tip screwdriver and pry up spring clips to unlock C394-1
gas spring from ball joints. Pull gas spring up and off of ball joints.
B. Installation
1. a. Forward Doors: Unlock D575-1 gas spring caps. Snap gas spring onto ball joints
and lock caps.
b. Aft Doors: Insert flat-tip screwdriver and pry up C394-1 gas spring spring clips.
Snap gas spring onto ball joints and release clips.
52-20 Door Vent Replacement
Refer to R66 Illustrated Parts Catalog (IPC) Figures 52-1 and 52-7.
CAUTION
Use proper respiratory protection when handling fiberglass.
1. Refer to Figure 52-2. Drill out rivets securing hinge and pivot arm assembly angle to door
vent. Rotate knob to unlock and remove door vent.
2. Using 60-grit grinder, trim new vent door forward edge as required to match door recess
and smooth corners. Bevel edges using 60-grit sandpaper.
3. Hold fitted door vent in recess and match drill hinge four 0.098-inch diameter holes. Smooth
hole edges; clean up debris. Prepare surfaces for clamping using approved solvents per
Section 20-70. Install rivets securing door to hinge.
4. Extend pivot arm to approximately 1.85 inch between center of pins. Match drill pivot
arm assembly angle two 0.098-inch diameter holes. Smooth hole edges; clean up debris.
Prepare surfaces for clamping using approved solvents per Section 20-70. Install rivets
securing door to arm assembly angle. Verify vent door opens and closes smoothly and
latches correctly.
52-21 Weather Seal (Door Vent) Replacement
Refer to R66 Illustrated Parts Catalog (IPC) Figures 52-1 and 52-7.
1. Remove damaged weather seal using plastic wedge or putty knife. Remove hardened
adhesive using approved solvent per Section 20-70, or 60-grit sandpaper, as required.
2. Refer to Figure 52-2. Measure and trim continuous length of A226-7 seal to fit perimeter
of vent door except forward side, as shown. Remove self-adhesive preserving strip and
neatly bond seal to stiffener.
3. Measure and trim length of A226-3 seal to fit ledge of barrier. Remove self-adhesive
preserving strip and neatly bond seal to stiffener.
25 OCT 2010 R66 Maintenance Manual Chapter 52 Doors and Windows Page 52.7