Perkins 1103 / 1104 — Valve Depth - Inspect
Maintenance · Cylinder Head Valves
For the Perkins 1103 / 1104, from the Perkins service manual.
Applies to: Perkins 1103, Perkins 1104, Perkins 1104 (1103 also covered) engine
Procedure
- Use the 21825617 Dial gauge with the 21825496 Dial gauge holder; zero on the cylinder head face.
- Measure the depth of the inlet and exhaust valves below the face of the cylinder head before the valve springs are removed.
- Compare to Specifications, Cylinder Head Valves for minimum, maximum and service wear limits.
- If depth exceeds the service limit, use a new valve; if still exceeding, renew the cylinder head or valve seat inserts.
- Inspect the valves for cracks and damage and check the valve stems for wear.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
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.