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OPERATION No.GX. 02: Work on the hydraulic system.
Op. GX. 02 7
1
II. DRAINING THE HYDRAULIC CIRCUIT
DRAINING FILLING
a ) Depressurize the circuits.
f See Op. GX. 390.00. page 9)
a ) Fill the reservoir with approx. 2.5 litres of LHM
hydraulic fluid.
b ) Remove reservoir spring retainer
b ) Prime the HP pump :
c) Disengage central unit ( 2 ).
- Fill the pump with hydraulic fluid via suction hose
(
6
I.
d ) Remove :
- return line filter ( 4 ).
suction filter ( 5 ).
Start the engine. and move the manual height control
to the x high x position.
- Tighten pressure relief screw ( 7 ) on pressure regu-
later.
e) Remove the reservoir and drain. and disengage the
deflector ( reservoir bottom separator partition ).
-When the vehicle has stabiiized. top up the reservoir
with fluid until !he mobile pointer on level indicator
( 3 ) is opposite the upper red mark.
f ) Clean filters ( 4 ) and ( 5 ). and the reservoir and
deflector. using petrol and blow through with com-
Dressed air.
g ) Reassemble the unit.
811-l /I/
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