Cessna 150 Series Service Manual page 39

13. Replacement or overhaul of the actuator is required each 1000 hours and/or 3 years, whichever comes
first. Refer to figure 2-5 for grease specifications.
NOTE:Refer to Section 9 of this service manual and Cessna Single Engine Service Letter SE73-25, or
latest revision, for free-play limits, inspection, replacement and/or repair information.
14. Refer to paragraph 2-44 for detailed instructions for various serial ranges.
15. Each 500 hours. Inspect contact points. Inspect carbon brush, high tension lead, and distributor block.
Inspect impulse coupling and pawls. Replace as required. Inspect and lubricate bearings and contact
point cam.
16. Vertical stabilizer attachment each 100 hours or annual inspection. However it is recommended that
nutplates used to attach the vertical stabilizer be inspected after each 100 hours of operation. Refer to
paragraph 4-14A for detailed instructions.
17. Each 100 hours or annual inspection, check socket head cap screws for proper torque. When replacing
wheel bearings, check webs around flange mounting screw holes. During tire or tube change, or when
the wheel is otherwise disassembled, use dye penetrant to inspect the hubs. Refer to paragraph 2-38.
18. Fuel quantity indicating system operational test is required every 12 months. Refer to Section 15 for
detailed accomplishment instructions.
19. Inspect each 50 hours for general condition and security. Replacement is required every 10 years.
20. When the accuracy of the compass is in question, when components are added or removed which have
the potential to affect the magnetic accuracy and/or variation of the compass calibration, or after a
lightning strike. Refer to Advisory Circular AC43.13-1B, Chapter 12, Section 3 Ground Operational
Checks for Avionics Equipment for a detailed listing of conditions requiring the performance of a
compass swing and compass swing procedures.
2-45. COMPONENT TIME LIMITS
1. General
A. Most components listed throughout Section 2 should be inspected as detailed elsewhere in
this section and repaired, overhauled or replaced as required. Some components, however,
have a time or life limit, and must be overhauled or replaced on or before the specified time
limit.
NOTE: The terms overhaul and replacement as used within this section are defined as
follows:
Overhaul - Item may be overhauled as defined in FAR 43.2 or it can be replaced.
Replacement - Item must be replaced with a new item or a serviceable item that is
within its service life and time limits or has been rebuilt as defined in FAR 43.2.
B. This section provides a list of items which must be overhauled or replaced at specific time
limits. Table 1 lists those items which Cessna has mandated must be overhauled or replaced
at specific time limits. Table 2 lists component time limits which have been established by a
supplier to Cessna for the supplier's product.
C. In addition to these time limits, the components listed herein are also inspected at regular
time intervals set forth in the Inspection Charts, and may require overhaul/replacement before
the time limit is reached based on service usage and inspection results.
Temporary Revision Number 3
2-26 © 2002 Cessna Aircraft Company 7 October 2002