Table 2-1. Unit Level Preventive Maintenance Checks and Services for M113A2 FOV
Check fan gearbox oil level and add oil,
No oil in sight glass.
Drain gearbox every 1500 miles
greater oil leak.
or semi-annually. Remove drain
plug and packing; discard pack-
-Inspect drain plug and oil for
metallic particles and foreign
matter. If metal chips are found,
cooling fan assembly may require
replacement (see pages 8-44,
8-45). Clean drain plug and apply
antiseize compound to threads
(see Item 4, Appendix C). Lubri-
cate new packing with OE/HDO
oil. Install drain plug and pack-
ing in gearbox housing. Refill
gearbox with OE/HDO oil (ap-
proximately 10 ounces). Bring oil
level to top center of sight gage.
Change 3 2-89