SECTION 46: ENGINE MOUNT & LANDING GEAR: Difference between revisions

Revision as of 13:54, 24 April 2023

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Good results can be achieved by centering the engine mount first using rubber embedded dowels.
Insert the silicone hose into the rubber hose
Insert the dowel into the silicone hose (tap it in using a hammer)
Grease the outer side of the rubber hose before inserting the dowels into the engine mount
Use a 3/16 drill and run through the 6 engine mount holes. Ensure the 3/16 dowels go in.
Mount the engine mount. Some of the dowels will be pushed back, try gently to push them into the firewall holes using light taps.
Remove one dowel at a time, drill up the hole according to the instructions, and secure with a bolt.
Parts
- Steel dowels: McMaster 8893K178 Tight-Tolerance Oil-Hardening O1 Tool Steel Rod, 0.1875" Diameter, 3 Feet Long. Cut six 1 1/3 inch pieces off and chamfer.
- Rubber fuel line: Aircraft Spruce Part# 05-03597, OD 0.5 inch, ID 0.25 in, cut 6 pieces, 7/8 inch
- Silicone Tubing: Amazon, OD 0.25 in, ID 5/32 in, cut 6 pieces, 7/8 inch

Don't forget to grease the bushings on their outside.
Tighten to castle nuts to spec, the bushing itself must not rotate. Check that the parts riding on the outside of the bushings still rotate after torquing the castle nuts. If not, see figure 1, it says to remove some of the powder coating if necessary.

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 ==== Page 46-02 ====
 * Good results can be achieved by centering the engine mount first using rubber embedded dowels.<br>[[File:Screen Shot 2023-04-24 at 6.46.40 AM.png|200x200px]]
-* Grease the outer side of the rubber hose before inserting
+* Insert the silicone hose into the rubber hose
+* Insert the dowel into the silicone hose (tap it in using a hammer)
+* Grease the outer side of the rubber hose before inserting the dowels into the engine mount
+* Use a 3/16 drill and run through the 6 engine mount holes. Ensure the 3/16 dowels go in.
+* Mount the engine mount. Some of the dowels will be pushed back, try gently to push them into the firewall holes using light taps.
+* Remove one dowel at a time, drill up the hole according to the instructions, and secure with a bolt.
 * Parts
 ** Steel dowels: McMaster 8893K178 Tight-Tolerance Oil-Hardening O1 Tool Steel Rod, 0.1875" Diameter, 3 Feet Long. Cut six 1 1/3 inch pieces off and chamfer.