Extra 300/SC, Maintenance Manual

Page: 127 / 250

CHAPTER 28
PAGE 36
MAINTENANCE MANUAL EXTRA 300/SC
PAGE DATE: 12. February 2019
6 Clean sealing surfaces mechanically and with Acetone.
7 Install in reverse sequence of removal after applying Scotch
Clad 776 (see Chapter 51-30-04) for sealing to both sides
of the sealing ring.
For the Datcon system: Torque sealing screws to 9-12 in.lbs.
(1-1.4 Nm). Do not over-torque.
8 Allow sealing compound to thoroughly dry for approxi-
mately 24 hours at room temperature.
9 Check fuel tanks for leakage at the sender flange and mount-
ing bolts.
28-40-04 Lever-type Tank Unit (Wing Tank)
Removal/Installation
(refer to Figure 17 below)
1 Disconnect the electrical wiring.
2 Remove LH inspection door (refer to Chapter 28-10-11)
3 Remove tank unit bolts (1).
4 Remove the retainer ring (3) the tank unit (4) and the seal-
ing ring (2).
Figure 17 Lever-type Tank Unit (Wing Tank)