HOUR METER MAINTENANCE-Continued.
Inspect mounting hardware for stripped or damaged threads.
Inspect meter for broken/cracked glass, dented or damaged case, and corrosion.
Clean meter face with glass cleaner (item 3, Appendix E).
Cleaning solvent, Federal specification P-D-680, is toxic and flammable. Use only in a well-
ventilated area. Avoid prolonged breathing of fumes. Keep solvent away from flames. Do not
use in excessive amounts. Avoid skin contact.
Wash the meter in cleaning solvent (item I 1, Appendix E).
Allow to dry.
Place meter (2) through front of panel (3). Secure with three screws (1), three flat washers (4), and three
self-locking nuts (5).
Connect two quick-disconnect leads to rear of meter per tagged identification.
Install access door per para 3-10d.
Change 3 3-40