Perkins 1103 / 1104 — Finding Top Center Position for No. 1 Piston

Adjustments · Engine/Crankshaft

For the Perkins 1103 / 1104, from the Perkins service manual.

Applies to: Perkins 1103, Perkins 1104, Perkins 1104 (1103 also covered) engine

Procedure

1. Remove the valve mechanism cover, glow plugs and front housing cover.
2. Rotate the crankshaft in the normal direction until the inlet valve of No. 4 cylinder has just opened and the exhaust valve has not completely closed.
3. Align the hole in the crankshaft with the hole in the cylinder block and timing case and insert the 27610211 Crankshaft Timing Pin fully.
4. Insert the 27610212 Camshaft Timing Pin through the camshaft gear into the timing case body.
5. Remove the timing pins from the camshaft gear and crankshaft web.

Full service-parts list: Perkins 1103 →, Perkins 1104 →

Source: Perkins 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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