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Yanmar — U L {Setting the part)

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

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Before you start

  • Note: Do not tighten excessively. Otherwise,

Procedure

  1. Engine Overhaul (4) Fit the holes in the special tool to the straight pins (Measuring length 2 2) and measure length ¢ 2.
  2. 0mm (6) Adjust the dial indicator reading to 0 mm on the special tool or square block. Scale : 0
  3. Engine Overhaul (8) Fit the holes in the special tool to the straight pins and measure length 2 1. (9)
  4. (standard): 4.79mm
  5. 08 to 0.10 mm If the obtained pre-lift is not within the specified range, select a suitable adjusting shim, installed at the upper portion of capsule sub-assembly, a
  6. 700 1.310 1.520
  7. 750 1,320 1.530
  8. 800 1.330 1.540
  9. 850 1.340 1.550
  10. 900 1.350 1.560
  11. 950 1.360 1.570
  12. 975 1.370 1.580

Specs & torque values

  • Length 22 (standard): 4.70 mm
  • 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.