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Doosan — Adjusting injection timing

Adjustments · Fuel injection pump

From a Doosan owner's manual covering: G265, G265XW/XF, G300, G300XW/XF, G335, G335XW/XF, G400, G400XW/XF, G430, G430XW/XF, G435, G435XW/XF…. Check it applies to your exact model before use.

Applies to: Doosan P126TI engine, Doosan P126TI-II engine, Doosan P158LE engine, Doosan DP158LC engine, Doosan P180LE engine

Procedure

  1. Loosen fixing bolts (M8) of injection pump driving gear.
  2. Turn crank pulley clockwise until V-groove of flywheel housing sight hole aligns with injection timing degree.
  3. Turn flange until injection pump pointer mark matches mark (FB) on drive gear flange.
  4. Tighten bolt M8 to specified torque being careful not to move drive gear.
  5. Recheck the injection timing start point of fuel delivery.

Specs & values

  • Bolt (M8) torque 2.2 kgf·m

Source: Doosan owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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