Perkins 403F-11 — Crankshaft Pulley - Remove and Install
Repair & overhaul
For the Perkins 403F-11, from the Perkins service manual.
Applies to: Perkins 403F-11
Before you start
- Ensure taper of crankshaft and bore of pulley are clean and dry before assembly.
Procedure
- Remove the V-belt.
- Loosen nut (3); do not remove the nut.
- Install Tooling (A) to crankshaft pulley and remove pulley from crankshaft.
- Remove Tooling (A), then remove nut (3).
- Remove pulley from crankshaft.
- Remove key from crankshaft.
- Install key to crankshaft ensuring correct seating.
- Install crankshaft pulley to crankshaft, seated onto key.
- Lubricate nut with clean engine oil and install.
- Tighten nut to 304 N·m.
- Install the V-belt.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 304 N·m (224 lb ft) crankshaft pulley nut
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.