SECTION 6
NORMAL PROCEDURES
6 Introduction
Section 6 contains checklists and the procedures for normal operation.
6.1 Removing and Reinstalling the Engine Cowling
6.1.1 Upper Cowling
Parking brake: .................................ON or chocks installed
Fuel selector valves:........................OFF
Ignition Switches:............................OFF
Master switch: .................................OFF
• Unlatch all four butterfly Cam-locks mounted on the top cowling by rotating them 90° counter clockwise while
slightly pushing inwards.
• Remove the four screws holding the top canopy to the bottom.
• Remove top engine cowling paying attention to propeller shaft passing through nose.
To reinstall:
• Rest cowling horizontal insuring proper fitting of nose base reference pins.
• Reinstall the four screws.
• Secure latches by applying light pressure, check for proper assembly and fasten Cam-locks.
WARNING
Butterfly Cam-locks are locked when tabs are horizontal and open when tabs are vertical. Verify tab is below latch upon
closing.
6.1.2 Lower Cowling
After disassembling upper cowling
• Move the propeller to a horizontal position
• Using a standard screwdriver, press and rotate 90° the two Cam-locks positioned on lower cowling by the firewall.
• Disconnect the ram-air duct from the NACA intake. Pull out the first hinge pin positioned on the side of the
firewall, then, while holding cowling, pull out second hinge pin; remove cowling with downward motion.
For installation follow reverse procedure
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