Battery; Winter Operation; Removal, Disassembly, Assembly And Installation Of The Rotor - AUTO GYRO Cavalon Pilot Operating Handbook

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8.13 Battery

The aircraft is fitted with a maintenance-free gel electrolyte. Maintenance is therefore limited
to outside soundness, correct attachment, and cleaning. Check integrity of the battery as
leaking fluid contains corrosive sulphuric acid which would lead to extensive damage when
contacting the framework and attachments.
Charge the battery only with a charging device which is suitable for gel electrolyte batteries.
The battery must never be deep discharged, as it will be damaged. If so, it
might need to be replaced.

8.14 Winter Operation

The cooling system for the cylinder heads of the engine is filled with a mixture of anti-freeze
and water, which gives freezing protection down to -20 °C. Check protection temperature of
the coolant using a hydrometer and add anti-freeze, if necessary.
If temperatures are expected to fall below protection temperature, drain the coolant, and if
required for service, refill with pure antifreeze. As anti-freeze ages, renew the coolant every
two years. Read the engine manual for the manufacturer's recommendations.
During winter operations the necessary operating temperature for oil and cooling agent may
not be reached. This can be compensated by taping some portion of the coolers. Monitor all
engine temperatures closely after having the coolers taped and modify, if necessary.

8.15 Removal, Disassembly, Assembly and Installation of the Rotor

In order to transport or park the gyroplane with minimum space requirements, the rotor
system may be removed and disassembled. In order to do so, a second person is needed
to assist and help to prevent any damage to the gyroplane or the rotor system.
The rotor system must be removed and disassembled for road transport. When
handled incorrectly the rotor system can be damaged irreparably. If undetected
this may have catastrophic consequences.
When removing or disassembling make sure to mark all parts so that each and
every component of the rotor system is reassembled and installed in exactly
the same way and orientation. Some rotor blades have loose washers in them
which are required as balance weights. Do not remove or restrain if present!
RSUK0287_POH_Cavalon
Flight Manual
Cavalon
CAUTION
WARNING
CAUTION
Revision 3.0, Issue Date 06.04.16
SECTION 8
HANDLING / MAINTENANCE
8-6