Eagle ICA-D212-725, Instructions Manual

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ICA-D212-725 (12)
Page 4 of 24
CHAPTER 12 – SERVICING (12-00-00)

COPYRIGHT

2007 BY DART AEROSPACE LTD.

THIS DOCUMENT IS PRIVATE AND CONFIDENTIAL AND IS SUPPLIED ON THE EXPRESS CONDITION THAT IT IS NOT TO BE USED FOR ANY PURPOSE OR COPIED OR COMMUNICATED TO ANY
OTHER PERSON WITHOUT WRITTEN PERMISSION FROM DART AEROSPACE LTD.
Revision:
6
Date: 13.08.26
12.1 SERVICING
CAUTION
STAINED OR DISCOLORED SIGHT GAGE
GLASSES MAY GIVE FALSE INDICATION OF
OIL/FLUID QUANTITY. IF FALSE INDICATION IS
SUSPECTED, SHAKE HELICOPTER BY TAIL
SKID AND OBSERVE OIL/FLUID MOVEMENT.
REPLACE ANY SIGHT GAGE GLASS WHICH
DOES NOT PROVIDE ADEQUATELY CLEAR
INDICATION OF OIL/FLUID LEVEL.
This Chapter contains instructions to replenish
fuel, lubricating oil, hydraulic fluid, and to lubricate
the helicopter. De-fueling and fuel cell purging are
also included.
Figure 12-1 identifies servicing points, de-fueling,
and drain valve locations. Table 12-1 specifies
useable materials for fuel, lubricating oil and
hydraulic fluid.
12.1A SERVICING TOLERANCE
CAUTION
DO NOT APPLY THESE TOLERANCES IF THE
HELICOPTER IS OPERATED IN EXTREME
ENVIRONMENTAL CONDITIONS REQUIRING
AN INCREASED FREQUENCY OF SERVICING.
OTHERWISE, DAMAGE TO THE PARTS MAY
OCCUR.
The Bell Helicopter Textron approved tolerance for
Chapter 12 servicing intervals, unless otherwise
stated, is 10% of the specified hourly or calendar
time interval, whichever is less. The tolerances are
established for maintenance scheduling
convenience only.
Servicing intervals required beyond the stated
tolerances must be approved by Product Support
Engineering.
NOTE
The following is only applicable for those operators
whose governing aviation authority requires to
specifically approve the servicing tolerance.
If approval of the servicing tolerance is required by
the applicable governing aviation authority, this is
the responsibility of the owner/operator.
Refer to the Pratt & Whitney PT6T-3/-3B
Maintenance Manual for the engine servicing
tolerances.
12.2 MAIN FUEL SYSTEM
All five interconnected cells of the main fuel system
are serviced through a single filler located on right
side of the helicopter. A grounding jack is provided
near the filler. Sump drains are located in the
bottom of right and left fuel cells beneath the cabin
floor. System de-fuel valves are accessible through
the bottom skin behind aft cabin bulkhead. A
system filter is located on the left hand forward
engine bulkhead. The filter is connected to the
caution panel for indication of impending bypass
condition.
12.3 MAIN FUEL SYSTEM -
REFUELING/DE-FUELING PREPARATION
WARNING
USE EXTREME CAUTION DURING FUELING/DE-
FUELING PROCEDURES
FUEL IS EXTREMELY FLAMMABLE AND MAY BE
IGNITED BY STATIC OR FRICTION SPARKS,
HOT EXHAUST PIPES, LIGHTED CIGARETTES,
ELECTIRCAL DEVICES, OR SIMILAR IGNITION
SOURCES.
PERSONNEL SHOULD NOT BE ABOARD
HELICOPTER DURING FUELING/DE-FUELING
PROCEDURES.
WHEN HELICOPTER FUEL COMES INTO
CONTACT WITH SKIN, A SOLVENT ACTION