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123
MAINTENANCE
Every 1000 Hours
Bleeding the air
IMPORTANT: After replacing the hydraulic
oil, bleed the air from the hydraulic oil
circuit and hydraulic devices. Failure to do
so may damage the hydraulic devices.
�
Hydraulic pump
1. Loosen the hydraulic oil pump’s air
bleeding plug (9).
2. Once hydraulic oil overflows from the hole
in the air bleeding plug (9), tighten the
plug.
�
Cylinders
1. Start the engine and run it at low idle for
10 minutes.
2. Set the engine to a low idle, then extend
and retract all the cylinders 4 or 5 times,
without going to the stroke end.
3. Run the engine at high speed, then extend
and retract all the cylinders 4 or 5 times,
without going to the stroke end.
4. Set the engine back to a low idle, then
extend and retract all the cylinders 4 or 5
times to the stroke ends.
14. Replace the line filter.
Refer to page 105 “Replacing the Pilot
Line Filter”.
15. Replace the return filter.
Refer to page 106 “Replacing the
Hydraulic Oil Return Filter”.
16. Add hydraulic oil up to the middle point
between the “M” and “L” positions of the
sight gauge (1) through the hole in the air
breather (2).
17. Tighten the air breather (2) and cover
(4).
18. Follow the procedure next “Bleeding the
air” to bleed the air from the hydraulic oil
circuit.
19. Set the machine to the hydraulic oil
level inspection posture and inspect the
level once the temperature of the oil has
dropped.
Refer to page 103 “Inspecting the
Hydraulic Oil Level and Replenishing”.
Содержание TCR50
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Страница 85: ...83 TRANSPORT Loading and Unloading 84 Hoisting the Machine 85 Securing the Machine 86 ...
Страница 147: ...145 SPECIFICATIONS Main Specifications 146 Machine Dimensions 148 Operating Range 150 ...
Страница 149: ...147 MEMO ...
Страница 150: ...148 SPECIFICATIONS Machine Dimensions ...
Страница 152: ...150 SPECIFICATIONS Operating Range ...
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Страница 155: ...153 OPTIONS General Precautions 154 Optional Equipment Mass 156 ...
Страница 159: ...157 INDEX ...