2-16. HYDRAULIC SYSTEM TROUBLESHOOTING (CONT)
TEST OR INSPECTION
11. HYDRAULIC OIL CONTAMINATED.
Take a sample of oil from hydraulic reservoir.
Check if hydraulic oil is contaminated by water.
a. If hydraulic oil is contaminated by water, flush water from hy-
draulic system (page 3-757).
b. If hydraulic system oil is dark and thick, has the odor of burnt
oil, contains air or particles of metal or dirt, remove contam-
inants from hydraulic system (page 3-754).