TM9-2330-390-14&P
4-115. ENGINE REPLACEMENT (Con’t).
· DO NOT disconnect hydraulic lines and fittings while engine Is running or before
hydraulic system pressure has been released. When engine Is running, hydraulic
system Is under pressure. Dolly set must be fully lowered to the ground and engine
must be shut down before lines and fittings are disconnected. A line or fitting
disconnected under pressure will explode with great force and cause serious Injury
or death to personnel.
· Escaping hydraulic fluid under pressure can penetrate the skin, causing serious
Injury to personnel. Relieve pressure before disconnecting hydraulic lines and
fittings. Tighten all connections before applying pressure. Keep hands and body
away from pinholes and nozzles which elect hydraulic fluid high under pressure. Use
a piece of cardboard or paper to search for leaks. If any hydraulic fluid Is Injected
Into the skin, lt MUST be surgically removed within a few hours by a doctor familiar
with this type of Injury or gangrene may result.
NOTE
· Hydraulic lines should be tagged before removal. Refer to paragraph 4-18 for
tagging Instructions.
· A suitable container should be used to catch any draining hydraulic fluid. Ensure that
all spills are properly cleaned.
1.
Disconnect hose assembly (1) from elbow (2) at inlet (top) of hydraulic pump (3). Drain hydraulic fluid Into a
suitable container.
4-328
