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143
MAINTENANCE
Every 2000 Hours
Replacing the Hydraulic Oil and
Cleaning the Suction Strainer
WARNING
�
Stop the engine and allow the machine
to cool down before performing
maintenance.
• The engine, hydraulic lines and many
other parts of the machine are hot
directly after the engine is stopped.
Touching these parts will cause
burns.
• The hydraulic fluid is also hot and
under high pressure.
Be careful when loosening caps and
plugs. Working on the machine under
these conditions could result in burns
or injuries due to the hot oil spurting
out.
�
Never jump off the machine. Use the
steps and handrails when climbing on
and off the machine, and always support
your body at three points with your
hands and feet.
�
Oil may spurt out if caps or filters are
removed or pipes disconnected before
releasing the pressure in the hydraulic
system.
• Gradually press the air breather button
to relieve tank pressure.
• When removing plugs or screws or
disconnecting hoses, stand to the
side and loosen slowly to gradually
release the internal pressure before
removing.
1. Slew 45° clockwise and set the machine to
the hydraulic oil level inspection posture.
Refer to page 118 “Inspecting the Hydraulic
Oil Level and Replenishing”.
2. Press button (1) and release the pressure
in the tank.
3. Replace the air breather filter (A).
Refer to page 139 “Replacing the Air
Breather filter”.
4. Remove the plug (10).
5. Loosen the bolts, and remove the flange
(4).
6. Remove the return filter (5).
7. Place a pan for catching the spent oil under
the drain plug (7).
8. Loosen the drain plug (7) and drain the
hydraulic oil.
9. Loosen the bolts, and remove the flange
(8).
10. Remove the suction strainer (9) and clean
it.
11. Clean the inside of the hydraulic tank.
12. Install the new return filter and suction
strainer (9).
13. Install the flanges (4) and (8).
14. Tighten the drain plug (7).
15. Supply hydraulic oil up to the middle of
the sight gauge (6) from the hole of plug
(10).
16. Tighten the plug (10).
L7G020
1
8
4
5
9
7
6
10
Содержание TB175W
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Страница 169: ...167 SPECIFICATIONS Main Speci cations 168 Machine Dimensions 170 Operating Range 172 Lifting Capacities 177...
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Страница 172: ...170 SPECIFICATIONS Machine Dimensions W2K0011 K R G J Q P M V W L N D H B C U S T E F A...
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