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Yanmar — (Dial indicator scale adjustment)

A Yanmar service procedure — check it applies to your exact model before use.

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Procedure

  1. Engine Overhaul (7) (8) (9) shown. in the direction shown in the figure. special tool or square block, using the special tool. fit the holes in the special tool to the straight pins. (10) Measure dimension L3 of the adjusting shim, (1) using a micrometer. range, change the adjusting shim.
  2. Engine Overhaul (2) Set the special tool on the nozzle and measure (3) (4) dimension B. micrometer. seat, using a micrometer. select a No.2 pressure spring seat from those listed below. pressure spring seat (t) (mm)
  3. Engine Overhaul i Pre-lift [Constructions for 6LP-STE series] 3-111
  4. Engine Overhaul
  5. Nozzle holder body
  6. Adjusting shim
  7. Capsule sub-assembly
  8. No.1 pressure pin
  9. Distance piece
  10. Straight pins

Specs & torque values

  • Adjust the dial indicator reading to 0 mm on the
  • Needle lift: 0.26 to 0.31 mm
  • Pre-lift standard: 0.08 to 0.10 mm
  • the pre-lift to 0 mm.

Source: manual:Yanmar-6LP-DTE-Service.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.