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It is recommended to install the outlet baffles during periods when the take-off temperatures are consistently below 32°F/0°C. The inlet baffles can be installed or removed as required.
The installation is defined by Service Bulletin DAC1-71-03.
2. OPERATING LIMITATIONS
Maximum T/O outside air temperature with either inlet or outlet baffles installed is 54°F (12.5°C).
Maximum T/O outside air temperature with both inlet and outlet baffles installed is 32°F (0°C).
The following placard must be installed on the cowling, immediately below the oil filler door and on the removable baffles:
3. EMERGENCY PROCEDURES
There is no change to the airplane emergency procedures when the Winterization Kit is installed.
4. NORMAL PROCEDURES
4.4.1. Preflight Inspection:
[Insert after Item 7 (c) of the Walk-around inspection (refer to section 4.4.1 of the Airplane Flight Manual)]
Install or remove winter kit baffles according to the following chart:
5. PERFORMANCE
There is no change in airplane performance when the Winterization Kit is installed.
6. WEIGHT AND BALANCE
The effect of the Winterization Kit on weight and balance is negligible.
7. DESCRIPTION OF THE AIRPLANE AND ITS SYSTEMS
The Winterization Kit consists of:
.
left and right baffles installed in the forward cowling inlets,
.
left and right baffles installed in the aft outlet opening of the lower cowling, and
.
a placard located on the cowling below the oil door.
The baffles reduce the flow of cooling air through the cowling, thereby increasing the operating temperature of the engine. At moderate temperatures either the inlet or outlet baffles may be installed. At lower temperatures both inlet and outlet baffles should be installed.
8. HANDLING, PREVENTATIVE AND CORRECTIVE MAINTENANCE
The inlet baffles are removed by unfastening two 1/4-turn fasteners on each baffle. The outlet baffles are removed by unscrewing 5 attaching screws from the lower cowling. Store the screws and washers in the baffle rivnuts and store baffles in the baggage compartment.
CHAPTER 9
SUPPLEMENT 3
RECOGNITION LIGHTS
1.
GENERAL ................................................................................................................... S3-2
2.
OPERATING LIMITATIONS ....................................................................................... S3-2
3.
EMERGENCY PROCEDURES................................................................................... S3-2
4.
NORMAL PROCEDURES .......................................................................................... S3-2
5.
PERFORMANCE ........................................................................................................ S3-2
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