Section 8 – GROUND HANDLING & SERVICE
ENGINE COWLING CHECK
5. ENGINE COWLING CHECK
5.1 UPPER COWLING
1. Parking brake: ON
2. Fuel selector valve: OFF
3. Ignition key: OFF
4. Generator & Master switches: OFF
5. Unlatch all four butterfly Cam-locks mounted on the cowling by rotat-
ing them 90° counter clockwise while slightly pushing inwards.
6. Remove engine cowling paying attention to propeller shaft passing
through nose.
7. To assemble: rest cowling horizontal insuring proper fitting of nose
base reference pins.
8. Secure latches by applying light pressure, check for proper assembly
and fasten Cam-locks.
Butterfly Cam-locks are locked when tabs are horizontal and open
when tabs are vertical. Verify tab is below latch upon closing.
5.2 LOWER COWLING
1. After disassembling upper cowling, move the propeller to a horizontal
position.
2. Using a standard screwdriver, press and rotate 90° the two Cam-locks
positioned on lower cowling by the firewall.
3. 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.
4. For installation follow reverse procedure.
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