Takeuchi TB175, Operator'S Manual, Page: 131 / 231

128
MAINTENANCE
Every 2000 Hours
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 109 “Inspecting the
Hydraulic Oil Level and Replenishing”.
Bleeding the air
IMPORTANT: After replacing the
hydraulic oil, bleed the air from the
hydraulic circuit and hydraulic devices.
Failure to do so may damage the
hydraulic devices.
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Hydraulic pump
1. Open the engine hood.
2. Disconnect the drain hose (1) from the
hydraulic pump.
3. Once hydraulic oil overflows from the
elbow (2), connect the drain hose (1).
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Slew motor
1. Loosen the bolts and remove the center
cover (1).
2. Remove the plug (2).
3. Once hydraulic oil overflows from the plug
hole, tighten the plug (2).
4. Install the center cover (1).
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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 contract all the cylinders 4 or 5 times,
without going to the stroke end.
3. Run the engine at high speed, then extend
and contract 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 contract all the cylinders 4 or
5 times to the stroke ends.
L3G021
2
1
L3G0261
2
1