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Complete technical Operation & Test Manual with electrical wiring diagrams for John Deere 240DLC and 270DLC Excavator. It’s the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.
John Deere 240DLC and 270DLC Excavator Operation & Test Technical 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.
TM2320 – John Deere 240DLC and 270DLC Excavator Operation & Test Technical Manual.pdf
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EXCERPT:
3. Check that bearing rotation is smooth and without noise.
4. NOTE:
Readings vary depending on the location of dial indicator base with respect to the swing bearing support tower. To obtain an accurate reading, the base for dial indicator must be attached to the support tower or as close to it as possible.
Install dial indicator with needle point contacting bottom face of bearing outer race and base attached to the swing bearing support tower or as close to it as possible.
5. Move boom and arm to the position shown with bucket off the ground. Bucket must be empty.
6. Turn dial indicator to zero.
7. Lower the boom to raise front idlers off the ground approximately 500 mm (20 in.).
8. Record dial indicator reading.
If play is more than specified, check for wear to balls, spacers, and bearing race. See Swing Bearing Remove and Install . (Group 4350.)
Item Measurement Specification
Swing Bearing
Swing Bearing Play 0.2—1.25 mm normal
0.008—0.049 in. normal
Play 2.0—3.05 mm maximum allowable
0.079—0.12 in. maximum a
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