Table 3-1. Preventive Maintenance Checks and Services. (Continued)
EQUIPMENT IS NOT
ITEM TO BE INSPECTED
B D AWMQ
nal) with a solution of mild soap and wa-
ter. Rinse thoroughly and allow to dry.
Pressure Relief Valve.
Pressure valve does
Pull the ring on the pressure relief valve
not allow air to escape.
should allow air to escape.
Check all hardware for secure mounting
and damage. Tighten all loose hardware.
Replace all damaged hardware.
Change the oil as follows : Remove the
drain plug (1) and allow the oil to com-
pletely drain into a suitable container.
Reinstall drain plug (1). Remove oil
through the breather cap opening (3) with
1). Check sight gage (4) for proper
oil level. Reinstall oil breather cap (2).