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John Deere 750B and 850B Crawler Bulldozer Repair Technical Manual (TM1476)
TM1476 – 750B and 850B Crawler Bulldozer Repair Technical Manual.pdf
815 pages, bookmarked, Searchable, Printable, high quality PDF
Complete Repair Technical Manual for John Deere 750B and 850B Crawler Bulldozer. It’s the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.
John Deere 750B and 850B Crawler Bulldozer Repair 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.
EXCERPT:
DISASSEMBLE HYDROSTATIC MOTOR
NOTE: The instructions for the service of 75OB and 85OB hydrostatic motor are similar. The 7508 is shown.
1. To service the hydrostatic motor, the pump and motor assembly must be removed. (See Hydrostatic Transmission Removal in Group 0300.)
2. Install transmission motor on hydrostatic motor repair stands. (See Section 99 for instructions to make tools.)
3. Remove hydraulic lines and clamps. Close all openings.
IMPORTANT: DO NOT use eyebolt (2) to lift hydrostatic pump, pump will be unbalanced. Eyebolt is used to lift complete transmission.
4. Attach lifting strap (3) around transmission pump (4).
5. Remove cap screws and washers (5) to remove pump.
NOTE: O-rings and backup washers installed between pump and motor cases are replaced with square packings.
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