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Doosan — Installation of injector

Installation

From a Doosan service manual covering: P158LE, P158LE-III, P180LE, P180LE-1, P180LE-II, P180LE-S, P222LE, P222LE-1, P222LE-S, PU158TI, PU180TI, PU222TI. Check it applies to your exact model before use.

Applies to: Doosan P158LE, Doosan P180LE, Doosan P180LE-II, Doosan P222LE, Doosan PU158TI, Doosan PU180TI, Doosan PU222TI, Doosan P158LE engine, Doosan P180LE-1 EASOB/QB engine, Doosan P222LE-1 EAYOB/QB engine, Doosan PU158TI EASOA/QA engine, Doosan PU180TI EASOA/QA engine

Before you start

  • Injection lines are designed for high operating pressures and should be handled with particular care.
  • Do not bend pipes to permanent deformation.

Procedure

  1. Clean seat in cylinder head.
  2. Insert nozzle holder with new seal ring.
  3. Tighten union nut with 120 N.m.
  4. Install injection lines free of constraint.
  5. Install leak fuel lines and screw delivery pipe at nozzle holder and injection pump.

Specs & values

  • Torque 12 kg.m

Full service-parts list: Doosan P158LE →, Doosan P180LE →, Doosan P222LE →

Source: Doosan service 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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