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Detroit Diesel — Assemble Injector

Repair & overhaul · Fuel injector

From a Detroit Diesel service manual — check it applies to your exact model before use.

Procedure

  1. Secure body in vise J 22396-1.
  2. Insert new filter(s) in top of body; dimple end down, slotted end up for current filter.
  3. Place new gasket on each filter cap; lubricate threads and install filter caps; tighten to specified torque.
  4. Lubricate injector nut seal ring installer J 29197 with test oil; place over body threads.
  5. Lubricate new seal ring and place over installer nose onto body shoulder.
  6. Remove protector; slide control rack into body.
  7. Align marked teeth and install gear and gear retainer.
  8. Install bushing, spill deflector, valve parts, check valve, spray tip and nut.
  9. Tighten injector nut to specified torque.
  10. Install follower spring, stop pin, plunger and follower.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Source: Detroit Diesel 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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