Tadano GT-600EX, Руководство по обслуживанию

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Y-3 Y-3
Air Bleeding Procedure
14
WY05-3441E
Y-3 Air Bleeding Procedure
1. Starting pump
1.1 Before starting the engine
Make sure that
• PTO switch (in the carrier driver’s cab) is turned
OFF.
• Air conditioner switch (in the carrier driver’s cab)
is turned OFF.
• The oil cooler is not functioning (due to the
hydraulic oil temperature below 50°C (122°F)).
1.2 Shakedown of the pump
Make sure that the crane cab cooler (option) is not
working before starting shakedown.
1) Main pump (Piston pump)
1. Fill the hydraulic tank fully with hydraulic oil.
2. Loosen the air-bleed plug (G1/4) L1 shown below
with the engine stopped.
When oil begins to flow through the air-bleed plug
hole, tighten the air-bleed plug.
3. Start the engine, warm up the engine, and then
turn ON the PTO switch with the engine running at
idling speed (600 min
-1
) to shakedown the pump
for approx. 10 minutes.
4. After the shakedown is finished, turn OFF the PTO
switch and stop the engine.
2) Others
• After the shakedown of the pump, do not let the
engine speed exceed the middle range (1000
min
-1
) if you bleed the cylinders.
When you try to raise the oil temperature in
order to adjust the hydraulic pressure, make
sure that there is no bubbles caused by the
bleeding in the tank.
• After disassembling the suction section for repair,
bleed it following the above procedure.
• When pressurizing the tank, do not let the
pressure exceed 15 kPa (0.15 kgf/cm
2
) (2.2 psi).
• Place all the control levers in neutral position.
Secure the outriggers with the lock pins.
△
1
345-806-87000
Air-bleed plug
(G1/4) L1