TM 5-3895-373-34
E.
CHARGE AND FLUSH.
NOTE
Charge
and
flush
will
only
be
required when a system has been
confirmed contaminated through oil
analysis samples.
a.
Hook up HSTRU flushing filter to paving
machine hydraulic system per instructions in
TM 9-4940- 468-14.
Do
not
operate
any
hydraulic
functions
until
system
is
fully
charged with oil and oil temperature
reaches 1800F (82°C). Operating
hydraulics under low oil temperature
or flow conditions can damage
hydraulic pumps and motors.
b.
Turn all hydraulic functions off at operator
switch panel and screed control panels. Start
paving machine and run at IDLE speed until
hydraulic
oil
temperature
reaches
1800F
(820C). Refer to TM 5 3895-373-10.
Hydraulic oil under pressure can
penetrate skin or damage eyes. Oil
leaks under pressure may not be
visible. Severe injury or loss of limb
may result from contact with high
pressure oil leaks.
Do not use bare hands to find leaks;
use a piece of cardboard or wood
instead. Wear safety goggles for
protection. If oil enters skin or eye,
get immediate medical attention.
c.
Flush and filter hydraulic system per TM 9-
4940- 468-14. During flushing operations,
check for proper operation of hydraulic system.
Check installed hoses, tubes, and fittings for
leakage.
Tighten
leaky
fittings.
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