PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - CONTINUED
Table 1. Preventive Maintenance Checks and Services (PMCS) for 621B Scraper - Continued.
NOT FULLY MISSION
a. Visually check for damage or leaks. Class III leaks are evident.
0.1 Hours Hydraulic
b. Perform hot check of hydraulic oil
level with the following steps:
(1) Start engine and move ejector
all the way forward.
(2) Lower bowl to ground with
slight downward pressure.
(1) With hydraulic oil at operating
temperature, oil must be at full
line of sight gage.
OIL MUST BE
ABOVE THIS LINE
c. If oil is required, clean area around
fill cap and tube. Lift cap tab and
remove cap. Add oil (Item 11 or 15,
OIL FILL CAP