General; Maintenance Practices; Fuel System; Draining Fuel - Cub Crafters CC18-180 Maintenance Manual

1. GENERAL

In this section, you will find the information required to perform scheduled maintenance.

2. MAINTENANCE PRACTICES

A. FUEL SYSTEM

(1) DRAINING FUEL

The aircraft has three fuel drains, one under each wing and one on the gascolator,
located on the engine firewall.
Observe all precautions related to fuelling and de-fueling the aircraft. In particular, the
following are highlighted:

Connect grounding wire to one of the wing tie-downs and ground the aircraft to an
earth ground.

Do not operate any electrical equipment during the de-fueling operation.

Operation of any electrical switch during the fueling operation is prohibited.

Do not allow smoking or open flames within 100 feet (of the aircraft or fuel
servicing vehicle are prohibited.

Do not operate radios, electric system, or electronic equipment during the fueling
or de-fueling operations.

Do not drain fuel tanks within 100 feet of any electrical equipment capable of
producing sparks.

Have a suitable fire extinguisher available at all times.
(a) Open wing and gascolator drain valves and allow fuel to drain into container.
(b) If the fuel has been drained and then the aircraft has been re-fueled, the engine
must be run on the ground for enough time to purge the system of air prior to
flight.
B. OIL SYSTEM

(1) CHANGING ENGINE OIL

(a) Warm engine
(b) Remove the upper and lower engine cowlings. (Refer to 71-10)
12-20
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CUB CRAFTERS, INC.
CC18-180 MAINTENANCE MANUAL
CAUTION
Manual number TC10000AMM
Date: 05/20/08