There are no unit level preventative maintenance checks and services. Refer
to pages 3-12 through 3-15 for operator level preventative maintenance checks
Unit maintenance will be accomplished by complying with the listing in the O
column of the maintenance allocation chart. Run the self test and
troubleshooting procedures in the operators maintenance section. If the
fault can not be detected replace the malfunctioning unit. Refer to Appendix
F for parts listings.