Mooney M20V - Page 412

MOONEY INTERNATIONAL CORPORATION
M20V SERVICE AND MAINTENANCE MANUAL
Page
Date
23
MAR 2017
Rev Date
0.50
EACH SIDE (TYP.)
&GLASSPATCH
0.50
SURFACE
NON- FINISHED
(FIBERGLASS- RESIN COMBINATION)
FINISHED SURFACE
1.5”
C
B
THICKNESS .02 TO .04
CHAMFER
1.5”
CRACK
A
0.5”
THICKNESS
LAMINATE
SURFACE
OUTLINE
CHAMFERED
CRACK
STOP DRILL
COMMON STRUCTURAL LAMINATE REPAIR - FIBERGLASS/RESIN
FIGURE 51- 29
51-15-06 - FIBERGLASS DELAMINATION
REPAIR
1. Delamination or ply separation of a fiberglass
product is usually a result of poor bonding of fiberglass
layers. Generally, this condition is localized and can be
readily repaired by carefully spreading apart plies of
delamination, and removing loose particles by blowing
clean compressed air into damaged area.
2. Proceed by inserting catalyzed epoxy resin into
delamination and then immediately clamp delamina-
tion together. Permit repair to cure a minimum of 8
hours before removing clamps.
3. Extensive delamination of a part will be reason for
total rejection of part and shall be scrapped per stan-
dard practices.
51-16-00 - CARBON FIBER REPAIR
The upper and lower cowl assembly base material is
preimpregnated fiber reinforced composite laminate
(carbon fiber prepreg). Superficial damage may be
buffed out. Damage resulting in penetration of the pan-
el, disruption of the carbon fibers or delamination will
require replacement of the component.
-CAUTION-
Extreme caution should be taken when trim-
ming carbon fiber. Dust from trimming will
cause unprotected aluminum to corrode and
can cause electrical failures. Trim away from
aircraft and proper respiratory personal protec-
tive equipment and dust collection should be
used. Bare carbon fiber should not come in
contact with any aluminum surface once fitted.
Care should be taken to protect the interior sur-
face of the cowl. Heat shields and silverbrite
finish are delicate.
51-17-00 - MISCELLANEOUS
1. Protective Coatings.
A. Parts with protective coatings (such as Conver-
sion Coated or epoxy primer) on which coating is
scratched, spot faced, drilled, or in any way removed
must be re-coated with epoxy primer.
EXAMPLE: Part is Conversion Coated as detail part.
During replacement the part is spot faced to receive
bolt and washer. This part must be primed after spot
facing.
51-15-06