Perkins 1506 — Coolant Pump Drive Belt Adjust (Model LG)
Adjustments
For the Perkins 1506, from the Perkins owner's manual.
Applies to: Perkins 1506A engine, Perkins 1506C engine, Perkins 1506D engine
Procedure
- Loosen bolts (1) and (3); use square (A) to adjust pulley assembly (2) to increase or decrease belt tension.
- Set the tension on the belt to 560 N (125 lb).
- With correct tension, tighten bolts (1) and (3) to 28 N·m (247 lb in).
Tools required
- square (A) Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Coolant pump drive belt tension 560 N (125 lb)
- Bolts torque 28 N·m (247 lb in)
- New belt 734 N (165 lb); recheck after 10 hours
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.