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YO-233-B2A Engine Maintenance Manual
TEO-540-A1A Engine Maintenance Manual
Paint Stripping and Painting Guidelines for Components
Cylinders (Cont.)
12. Limits and Clearances
Refer to the latest revision of Service Table of Limits - SSP-1776, for the following.
• Backlash and end clearance of gears
• Clearance between mating machined parts
• Clearance between moving parts that touch
• Torque limits for various nuts, screws, and fasteners.
13. Inspections
NOTICE: Inspections in this section refer to reusable items that do not require replacement in
accordance with the latest revision of Service Bulletin No. SB-240. Be sure to record
part replacement or any corrective action in the engine logbook.
A. Bearing Shell Surface Inspection
(1) Examine all bearing saddle surfaces for damage, scoring, galling, and wear. If any of
these conditions are found, identify and correct the cause.
(2) Make sure that the clearance of each bearing agrees with the specification in the latest
revision of the Service Table of Limits - SSP-1776.
(3) If a bearing is not in the specified limits in the latest revision of the Service Table of
Limit - SSP-1776, discard it and replace it with a new one.
(4) Examine all journal surfaces for galling, scores, misalignment, and out-of-round
condition. Replace a scored, galled, misaligned, or out-of-round component.
(5) Examine the shafts and pins for straightness.
© 2021 Avco Corporation. All Rights Reserved
February 2021
Table 2 (Cont.)
(4) Apply a very light sprayed coat of zinc chromate primer to a
maximum thickness of (0.0005 in. (0.0127 mm) on the cylinder
flange. If the correct amount of paint has been applied, the color of
the paint will be green with a yellowish tint and the metal will show
through. If the paint is too thick, the color will be zinc chromate
yellow.
(5) Use a cloth dipped in paint thinner to remove paint from all surfaces
where it could have accidentally accumulated.
(6) Air-dry the cylinder or bake the cylinder in an oven until completely
dry. Refer to the paint manufacturer's instructions for drying time
and oven temperature.
(7) Refer to the latest revision of Service Instruction No. 1181 and paint
the cylinder fin area appropriately for spark plug identification.
05-00
Page 7
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