Rev: 2
Date: 11/15/18
5-24
S
TEP REPLACEMENT
Expendable
Fuel tank sealant
Replaceable
Left or Right Step
Service Rating
Line
Minimum Certification
Owner, LSA-RM, or A&P
Additional References
KAI
1. Remove the step attach bolts (2), washers (2) and the step.
2. Install the new step and attach hardware.
3. Seal the gap between the step and the fuselage skin around the entire perimeter
with fuel tank sealant.
R
EAR
S
PAR
D
OUBLER
R
EPLACEMENT
Special Tools
#30 drill bit, drill, clecos, rivet
puller, rivet squeezer & dies
Expendable
Fine file
Replaceable
Left or Rt. Rear Spar Doubler
Service Rating
Line
Minimum Certification
LSA-RM, or A&P
Additional References
KAI
1. Based on the measurement from Section 3 Inspection, choose one of the
replacement W-1207B-x rear spar doublers. There are four different parts
available, ranging from 0.025 to 0.055 longer than the original, in increments of
0.010 — (i.e.: W-1207B-25 is 0.025” longer than stock.) Note that a pattern of
holes punched in the inboard end indicates the size – one extra hole is the first
oversize then two, three and four holes are used to identify each progressively
longer part.
2. Prepare the doubler by filing the rounded end just enough to remove the rough
surface left from manufacture, no more.
3. Prime the doubler if/as desired.
4. Remove the wing and remove the rivets attaching the W-1207B rear spar
doubler, W-1212 and hinge assembly to the rear spar. See KAI Section 5.4.
Содержание RV 12iS
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