PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - CONTINUED
Table 1. Preventive Maintenance Checks and Services (PMCS) for 621B Scraper - Continued.
NOT FULLY MISSION
· Do NOT perform fuel system checks, inspections or mainte-
nance while smoking or near fire, flames or sparks. Fuel may
ignite, causing injury or death.
· Operating personnel must wear fuel-resistant gloves and eye
protection when handling fuels. If exposed to fuel, promptly
washed exposed skin and change fuel-soaked cloth. Failure to
follow these warnings may cause injury or death.
a. Place a container under fuel tank
b. Open drain valve.
c. Close drain valve when water and
sediment are no longer visible in