
0-6
Service data ............................................ 5-4
Fuel and lubricant table........................ 5-4
Regularly replace the hydraulic oil ........ 5-6
List of consumables............................. 5-7
List of tools (If equipped)...................... 5-8
List of tightening torques ..................... 5-9
Safety-critical parts................................ 5-10
Maintenance list..................................... 5-12
Walk-around inspection ......................... 5-14
Inspecting by opening the engine hood
and covers......................................... 5-14
Inspecting by walking around the machine..
5-15
Inspecting while sitting in the operator’s
seat ................................................... 5-15
Daily inspection
(every 10 hours)..................................... 5-16
Inspecting and replenishing the coolant
.. 5-16
Inspecting and replenishing the engine oil
.. 5-17
Inspecting the fuel filter
(water separator)................................ 5-18
Inspecting the fuel level...................... 5-18
Inspecting the hydraulic oil tank level
and replenishing ................................ 5-19
Lubricating the working equipment .... 5-21
After the initial 50 hours (only for new
machines).............................................. 5-22
Replacing the engine oil and the oil filter
.. 5-22
Inspecting and adjusting the fan belt.. 5-24
Replacing the hydraulic oil return filter 5-25
Every 50 hours ...................................... 5-26
Inspecting and adjusting the crawler
tension .............................................. 5-26
Lubricating the slew bearing .............. 5-28
Lubricating the slew motor pinion ...... 5-28
Draining the water from the fuel tank.. 5-29
Inspecting the battery fluid level and
replenishing ....................................... 5-30
Every 100 hours .................................... 5-32
Cleaning the fuel filter......................... 5-32
After the initial 250 hours (only for new
machines).............................................. 5-33
Replacing the travel motor gear oil..... 5-33
Every 250 hours .................................... 5-34
Replacing the engine oil and the oil filter
.. 5-34
Inspecting and adjusting the fan belt.. 5-34
Cleaning the air cleaner ..................... 5-34
Cleaning the radiator fins ................... 5-36
Every 500 hours .................................... 5-37
Replacing the hydraulic oil return filter
.. 5-37
Replacing the fuel filters ..................... 5-37
Every 1000 hours .................................. 5-38
Replacing the travel motor gear oil..... 5-38
Cleaning the engine cooling system... 5-38
Replacing the air cleaner element ...... 5-40
Replacing the air breather (If equipped)
.. 5-41
Inspecting and adjusting the engine valve
clearance........................................... 5-41
Every 1500 hours .................................. 5-42
Inspecting and cleaning the engine fuel
injection nozzle .................................. 5-42
Every 2000 hours .................................. 5-43
Replacing the hydraulic oil and cleaning
the suction strainer ............................ 5-43
Every 3000 hours .................................. 5-45
Inspecting the fuel injection pump...... 5-45
When required....................................... 5-46
Replacing the bucket......................... 5-46
Lubricating the levers......................... 5-48
Inspecting the rubber crawlers........... 5-49
Replacing the rubber crawlers ........... 5-50
Maintenance during extended storage period ..
5-52
Troubleshooting ...............................6-1
Symptoms that are not malfunctions ....... 6-2
If the engine overheats............................. 6-3
If the battery goes dead........................... 6-4
If a fuse blows ......................................... 6-6
Inspecting and replacing the fuse......... 6-6
Inspecting the fusible link..................... 6-7
Restarting after adding fuel...................... 6-8
Bleeding air from the fuel system ......... 6-8
If a warning lamp lights up ..................... 6-10
Other symptoms.................................... 6-11
Lowering the boom to the ground ......... 6-15
Towing................................................... 6-16
If the canopy is damaged ...................... 6-17
Specifications..................................7-1
Basic Specifications................................. 7-2
Machine dimensions................................ 7-4
Operating ranges..................................... 7-8
Lifting Capacities ................................... 7-11
Options ............................................8-1
General precautions ................................ 8-2
Safety precautions............................... 8-2
Cautions when installing attachments .. 8-2
Cautions when operating attachments..
8-3
Attachment combination table ................. 8-4
Selecting a lever pattern .......................... 8-5