Complete workshop & service manual with electrical wiring diagrams for Hitachi EX40u, EX50u Excavator. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.
This Hitachi EX40u, EX50u Excavator 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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UNDERCARRIAGE / Track
REMOVE AND INSTALL RUBBER CRAWLER
CAUTION: Grease pressure in the track adjuster is high. Do not loosen valve (1) quickly or loosen it too much. Valve (1) may fly out or high pressure grease in the track adjuster may spout. Loosen carefully, keeping body parts and face well away from valve (1). Never loosen grease fitting (2).
1. Jack up the one side track using the front attachment, and place wooden blocks under the track frame.
IMPORTANT: If debris such as rock fragments is packed between the sprocket tooth and the rubber crawler, remove packed material before loosening the valve.
2. Slowly loosen track adjuster valve (1) to allow grease to escape.
: 19 mm
Insert steel pipes into the gaps between the rubber crawler and track frame.
Then, rotate the sprocket in reverse direction.
After the rubber crawler is raised off the front idler with the steel pipes, slide the rubber track away from the track frame and remove it.