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Perkins 1506 — Engine Crankcase Breather - Clean

Maintenance

For the Perkins 1506, from the Perkins owner's manual.

Applies to: Perkins 1506A engine, Perkins 1506C engine, Perkins 1506D engine

Before you start

  • Perform this maintenance with the engine stopped.

Procedure

  1. Thoroughly clean the breather assembly before removing any parts.
  2. Loosen hose clamp (3) and remove hose (4) from breather assembly (6).
  3. Remove bolt (2) and washer (1); remove breather assembly (6) from housing (5).
  4. Wash the breather element in clean nonflammable solvent and allow to dry.
  5. Ensure hose (4) is clean and free from damage.
  6. Install a clean dry breather element; install breather assembly (6) to housing (5).
  7. Install new sealing washer (1) to bolt (2); tighten bolt (2) to 28 N (6.3 lb).
  8. Install hose (4) and clip (3); tighten clip (3) to 7 N·m (62 lb in).

Tools required

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

Specs & values

  • Breather bolt torque 28 N (6.3 lb)
  • Hose clip torque 7 N·m (62 lb in)

Source: Perkins 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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