Perkins — Crankshaft Front Seal - Remove and Install
Repair & overhaul
From a Perkins service manual covering: 402D-05, 403D-07, 403D-11, 403D-15, 404D-22, 404D-22T, 404D-22TA. Check it applies to your exact model before use.
Applies to: Perkins 402D-05, Perkins 403D-07, Perkins 403D-11, Perkins 403D-15, Perkins 404D-22, Perkins 404D-22T, Perkins 404D-22TA
Before you start
- Ensure that the lip of the crankshaft front seal that is spring loaded faces toward the inside of the front housing and is square with the bore.
- Do not damage the crankshaft or the edge of the housing during removal.
Procedure
- Use a 4 mm (0.158 inch) drill to make three holes in crankshaft front seal (2).
- Use Tooling (A) to carefully remove crankshaft front seal (2), alternating hole positions.
- Lubricate the lip of a new crankshaft front seal (2) with clean engine oil.
- Position crankshaft front seal (2) in the bore of front housing (1).
- Use a suitable tool to install crankshaft front seal (2) to front housing (1).
Full service-parts list: Perkins 402D-05 →, Perkins 403D-07 →, Perkins 403D-11 →, Perkins 403D-15 →, Perkins 404D-22 →, Perkins 404D-22T →, Perkins 404D-22TA →
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.