Hitachi ZW 370-6 Operator's Manual page 8

Avoid Operation with Loads on Only One Side ................. 5-17
Excavation ....................................................................................... 5-18
Loading Accumulated Soil................................................... 5-18
Digging and Loading Level Ground ................................. 5-19
Grading ............................................................................................ 5-20
Loading ............................................................................................ 5-21
Load and Carrying Method ................................................. 5-21
Loader and Dump Truck Combination Method ........... 5-22
V-Shape Loading ..................................................................... 5-22
I-Shape Loading ...................................................................... 5-22
Dumping into Truck or Hopper .......................................... 5-23
Dozing .............................................................................................. 5-24
Stock Piling ..................................................................................... 5-24
Removing Snow ............................................................................ 5-25
Lifting Wheel Loader ................................................................... 5-25
Precautions for After Operation .............................................. 5-26
TRANSPORTING ............................................................ 6-1
Transporting by Road ....................................................................6-1
Selecting a Trailer ............................................................................6-1
Loading / Unloading on Trailer ...................................................6-2
Fastening Machine for Transporting ........................................6-4
Transporting Wheel Loader (Urgent Situation) ....................6-5
Precautions for Driving On Roads ........................................6-5
Precautions for Towing ............................................................6-5
Releasing Parking Brake ..........................................................6-7
Towing Method ................................................................................6-9
Lifting Machine ............................................................................. 6-10
MAINTENANCE .............................................................. 7-1
Correct Maintenance and Inspection Procedures ...............7-1
Check the Hour Meter Regularly ................................................7-3
Layout ..................................................................................................7-4
Lubrication Guide ......................................................................7-5
Preparations for Inspection and Maintenance .....................7-6
Articulation Lock..............................................................................7-8
Inspection/Maintenance Side Access Cover ..........................7-8
Rear Grille ...........................................................................................7-9
Inspection and Maintenance Table ........................................ 7-10
Kind of Oils ...................................................................................... 7-14
Grease ......................................................................................... 7-14
Engine Oil .................................................................................. 7-14
Transmission Oil ...................................................................... 7-14
Axle Oil ........................................................................................ 7-15
Hydraulic Oil ............................................................................. 7-15
Recommended Coolant ....................................................... 7-15
List of Consumable Parts ........................................................... 7-16
A. Greasing ...................................................................................... 7-18
B. Engine .......................................................................................... 7-24
Check Engine Oil Level ......................................................... 7-24
Change Engine Oil ................................................................. 7-25
Replace Engine Oil Filter ....................................................... 7-27
C. Power Train ................................................................................ 7-29
Check Transmission Oil Level .............................................. 7-29
Change Transmission Oil ...................................................... 7-30
Change Transmission Oil Filter ........................................... 7-30
Clean Torque Converter Air Breather ............................... 7-33
CONTENTS
Check Axle Oil Level ............................................................... 7-34
Change Axle Oil ....................................................................... 7-36
Replace Axle Oil Cooler Line Filter (Option) .................. 7-38
Clean Axle Oil Cooler Fins (Option) .................................. 7-38
D. Hydraulic System ..................................................................... 7-39
Inspection and Maintenance of Hydraulic
Equipment ........................................................................... 7-39
Check Hydraulic Oil Level .................................................... 7-40
Change Hydraulic Oil ............................................................. 7-41
Clean Suction Filter ................................................................ 7-43
Clean Pilot Oil Filter ................................................................ 7-44
Line Filter in Steering Circuit .......................................... 7-44
Line Filter in Brake Circuit ............................................... 7-45
Line Filter in Joystic Steering Circuit (Option) ......... 7-46
Replace Hydraulic Oil Return Filter ................................... 7-47
Replace Air Breather Element ............................................. 7-48
Check Pilot Circuit Accumulator Function, Gas
Leakage, Looseness, and Damage .............................. 7-49
Check Ride Control Accumulator Function, Gas
Leakage, Looseness, and Damage (Option) ............ 7-50
Check Gas Pressure in Ride Control Accumulator
(Option) ................................................................................. 7-50
Check Gas Pressure in Steering Accumulator ............... 7-50
Check Hoses and Lines ......................................................... 7-51
E. Fuel System ................................................................................ 7-56
Check Fuel Level ...................................................................... 7-56
Recommended Fuel ......................................................... 7-56
About Biodiesel Fuel ........................................................ 7-56
Refueling .............................................................................. 7-57
Drain Water and Sediment from Fuel Tank .................... 7-58
Drain Fuel Filter ........................................................................ 7-59
Draining Procedures (Pre-Filter) ................................... 7-59
Bleed Air from the Fuel System ..................................... 7-60
Replace Fuel Main Filter Element ...................................... 7-62
Replace Fuel Pre-Filter Element ......................................... 7-64
Clean Fuel Supply Pump Strainer ...................................... 7-65
Clean Fuel Priming Solenoid Pump Strainer ................. 7-66
Check Fuel Hoses .................................................................... 7-67
Check Water Separator (Option) ........................................ 7-68
F. Air Cleaner ................................................................................... 7-70
Clean and Replace Air Cleaner Element ......................... 7-70
G. Cooling System ........................................................................ 7-71
Check Coolant Level .............................................................. 7-72
Check Drive Belt ...................................................................... 7-73
Change Coolant ....................................................................... 7-75
Clean Radiator/Oil Cooler Cores and Other Cooling
System ................................................................................... 7-78
H. Electrical System ...................................................................... 7-79
Batteries ..................................................................................... 7-79
Electrolyte Level Check .................................................... 7-81
Check Electrolyte Specific Gravity ............................... 7-82
Replace Batteries................................................................ 7-83
Check Monitor Functions and All Other Instrument
Operation ............................................................................. 7-83
Check Work Lights .................................................................. 7-84
Check Horn and Backup Alarm .......................................... 7-85