John Deere 120C Excavator Operation and Tests Technical Manual (TM1934)

SKU: JD-TM1934 Category: John Deere
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John Deere's TM1934 operation and tests manual for the 120C excavator. It covers operational checkout, engine, electrical, power train, hydraulic and A/C testing and diagnostics, plus dealer fabricated tools.

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Compatibility
  • Manufacturer: John Deere
  • Model: 120C
  • John Deere 120C Excavator. Operation and Tests technical manual TM1934 (10FEB06). Repair is in TM1935; PowerTech 4.5 L engine in CTM104 and CTM331.

Description

Machine covered

TM1934 (10FEB06) covers the 120C Excavator. For repair, see TM1935. For the PowerTech 4.5 L engine, see CTM104 and CTM331.

What the manual covers

  • 9000: general info and safety
  • 9005: operational checkout procedure
  • 9010 and 9015: engine and electrical tests, diagnostic codes and schematics
  • 9020: power train
  • 9025: hydraulic system tests and adjustments
  • 9031: heating and A/C, 9900: dealer fabricated tools

Good to know

This is the diagnostic and test book, not the repair book. 466 pages.

Specifications

Manual NumberTM1934 (10FEB06)
Model120C
TypeOperation and tests
Repair ManualTM1935
Engine ManualsCTM104, CTM331
Pages466

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