Complete workshop & service manual with electrical wiring diagrams for Hitachi ZW220, ZW250, ZW310 Wheel Loader. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.
This Hitachi ZW220, ZW250, ZW310 Wheel Loader service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.
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BODY (TRAVEL SYSTEM) / Drive Unit
Disassembly of Drive Unit
Removal and Disassembly of Torque Converter
Drainage of Oil and Removal of Charging Pump
1. Hoist the drive unit vertically or place it on a stand.
Remove drain plug (83) from transmission case
(30). Drain oil from transmission case (30). ：17 mm
CAUTION: Drive unit weight: 890 kg (2000 lb)
2. Remove bolts (107) (4 used) and washers (108) (4 used) from suction tube (28). Remove gasket (109), O-ring (110) and strainer (29) from transmission case (30). : 19 mm
3. Remove bolts (111) (8 used) from split flanges (112) (4 used). Remove suction tubes (3) (2 used) and O-rings (113) (2 used) from charging pump (4). : 17 mm, 36 mm
4. Remove bolts (114) (2 used) and washers (115) (2 used) from charging pump (4). : 19 mm