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142
MAINTENANCE
Every 2000 Hours
Replacing the Hydraulic Oil and
Cleaning the Suction Strainer
WARNING
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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.
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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 122 “Inspecting the
Hydraulic Oil Level and Replenishing”.
2. Remove cap nut (3) on the air breather (2).
3. Press button (4) and bleed the air from
the tank.
4. Replace the air breather filter.
Refer to page 141 “Replacing the Air
Breather filter”.
5. Remove the plug (1).
6. Loosen the bolts, and remove the flange (5).
7. Remove the return filter (6).
8. Place a pan for catching the spent oil
under the drain plug (8).
9. Loosen the drain plug (8) and drain the
hydraulic oil.
10. Loosen the bolts, and remove the cover
(9).
11. Loosen the bolts, and remove the flange
(10).
12. Shift the flange (10) to the right.
13. Remove the flange (11) and suction
strainer (12) and clean them.
14. Clean the inside of the hydraulic tank.
15. Install the new return filter and flange (5).
16. Install the suction strainer (12) to the
flange (11).
17. Install the flange (11) and (10).
18. Tighten the drain plug (8).
19. Add hydraulic oil up to the middle of the
sight gauge (7).
Содержание TB153 FR
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Страница 177: ...175 SPECIFICATIONS Main Specifications 176 Machine Dimensions 178 Operating Range 180 Lifting Capacities 183...
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