P92 Echo Super
Maintenance Manual
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5.2 General Servicing Procedures
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5.2.1 Idle speed synchronization
With the exception of idle speed synchronization, no other carburetor adjustments are required. Fuel mixture is
co
ntrolled
and set by the manufacturer and requires no further adjustment.
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5.2.2 Ordinary servicing
Refer to the Engine
Operator
‟
s
Manual furnished by the
engine
‟
s
manufacturer (p/n 899370 Issue 0 of 1/7/1998 and later
versions) for all servicing operations furnished along with the present manual.
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5.2.3 Propeller
The propeller is manufactured by GT Propeller and is all-wood, with composite reinforced leading edge and blade
protective finished with special lacquer coating.
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5.2.4 Propeller removal
To remove propeller use the following procedure
1. Remove screws holding spinner dome to spinner bulkhead
2. Remove safetying
3. Remove bolts that secure prop to hub
After removal, do not lay propeller down on its tip but always lay flat and away from sources of humidity, heat or, in any
case, away from areas subject to excessive temperature change.
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5.2.5 Propeller installation
To install propeller, follow procedure below. Insure that propeller is correctly aligned with hub before tightening bolts:
1. Carefully clean hub area insuring no oil traces are present
2. Check bolts for cracks, rust, proper thread and cleanliness
3. Check spinner bulkhead for cracks or deformations
4. Check spinner for cracks and deformations
5. Install spinner spacer and prop
6. Insert washers and fasten locknuts (bolt torque = 17 Nm)
7. Safety all bolts
8. Install spinner
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After correct installation of propeller and before takeoff, let the engine run for a few minutes and, after turning it off, carry
out further inspection (tightness, overall state, etc.).
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48
Revision Date:
10-29-2007
Revision Number:
3.01
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