Carl Goldberg GBGA1088 - Manual (Page 21)

21
Engine Mounting
1. Collect the following items.
(2) motor mounts
(4) 8-32x1” bolts
(4) 8-32x1-1/4” bolts
(4) 8-32 t-nuts
(4) 8-32 aircraft lock nuts
(12) #8 flat washers.
2. Also collect the cowl mount bolts
(4) 4-40 x 1” socket head screws
(4) #4 flat washers
(4) 1/4” long pieces of silicone tubing.
3. Install the flat washer and silicone tubing on
the 4-40 bolts.
4. Install the cowl with the 4-40 bolts and the
predrilled holes in cowl. The blind nut are already
installed in the fuselage.
5 Measure from the firewall to the front edge of
the cowl.It should be about 5-3/8” on the left side and
5-5/8” on the right side. The difference is the off set
for right thrust built into the firewall.
6. Take your engine and clamp to one of the
motor mounts. Set the distance from the back of the
motor mount to the front of the thrust washer at 6”.