Downloaded from https://www.everyspec.com MIL-STD-1808B SYSTEM SUB-SYSTEM TITLE DEFINITION 12 SERVICING The subsystem instructions for the scheduled and unscheduled replenishment and depletion of aircraft fluids. Includes precautions to be observed in servicing a particular tank, reservoir, converter, etc., such as grounding and prevention of fire hazards. Includes instructions regarding access to any obscure or unusual place requiring service; the location of regular and emergency servicing points; "NO STEP" areas or walkways leading to any tank in a wing or hull, with necessary precautions.
00 GENERAL 10 REPLENISHING AND DEPLETING The system instructions necessary for the replenishment or depletion of fluids such as fuel, oil, hydraulic fluid, water, etc. Includes tank and reservoir capacities in U.S., imperial or metric measure; ANA or other standard specification number and grade (if applicable) of fuel, oil, fluid, and other material used; fuel expansion volume, total fuel capacity, sump capacity, net fuel capacity (as applicable) for each tank; allowance for oil expansion, etc. 20 SCHEDULED SERVICING The system instructions necessary to carry out any servicing that may be scheduled.
Includes instructions for periodic lubrication of components, radioactivity decontamination, aircraft external and internal cleaning, etc. Does not include lubrication procedures required for the accomplishment of maintenance practices. 30 UNSCHEDULED SERVICING The system instructions necessary to carry out normally unscheduled servicing. Includes instructions for ice and snow removal from parked aircraft, etc. 14