144
MAINTENANCE
Every 2000 Hours
17. Follow the procedure next “Bleeding the
air” to bleed the air from the hydraulic oil
circuit.
18. 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 118 “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.
�
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).
�
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).
�
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.
2
1
W2G022
Summary of Contents for TB175W
Page 6: ...4...
Page 8: ...6...
Page 35: ...33 MEMO...
Page 98: ...96...
Page 103: ...101 TRANSPORT 2 Piece Boom Mono Boom Hoisting the Machine...
Page 168: ...166...
Page 171: ...169 MEMO...
Page 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...
Page 174: ...172 SPECIFICATIONS Operating Range 2 Piece Boom W2K002 J E F G C D K H B A...
Page 176: ...174 SPECIFICATIONS Operating Range Mono Boom W2K003 J K H B A D G F E C...
Page 178: ...176 MEMO...
Page 184: ...182...
Page 212: ...210...
Page 213: ...211 INDEX...