16-90 PROPULSION / ENGINE
ICON A5 / MAINTENANCE MANUAL CHANGE C2
Task Specific Training Required
No
Special Tools Required
None
Parts Required
664678 (ROTAX REGULATOR A)
664679 (ROTAX REGULATOR B)
LOCTITE 222 (THREADLOCKER, ACRYLIC, REMOVABLE LOW STRENGTH)
Aircraft System and Number
13—Propulsion
Consumables
None
1. Feed the regulator wiring through the strain relief. Use part #8 for Regulator A (6) and #9 for
Regulator B (5). See Figure 16-54.
2. Secure the terminals with M5 lock nut (15), M4 lock nuts (16), and washers (14,17). See Figure
16-54.
3. Hand tighten the strain relief.
4. Secure the fuse box cover with nine M4x16 Allen screws (10) and plastic washers (11).
5. Secure the ground terminals to the ground studs.
• For Regulator A, use one M4 lock nuts (16) and washer (17) to secure two black ground
wires (7) on one ground stud.
• For Regulator B, use two M4 lock nuts (16) and two washers (17) to temporarily secure two
black ground wires (7) on separate ground studs. Additional wires will be added in subse-
quent steps.
6. Secure the regulator to the fuse box with two M6 lock nuts (12) and washers (13).
7. Repeat Step 1-6 if replacing more than one regulator.
8. Secure the fuse box to the fuselage with four 8-32 x 0.375 screws and washers previously
removed. Apply THREADLOCKER to screw threads. Torque to 7-9 in-lb. See Figure 16-57.
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