Perkins 1106 — Testing The Radiator And Cooling System For Leaks
Testing & diagnosis
For the Perkins 1106, from the Perkins service manual.
Applies to: Perkins 1106
Before you start
- Personal injury can result from hot coolant, steam and alkali.
Procedure
- Loosen filler cap to first stop; release pressure; remove cap.
- Ensure coolant covers top of radiator core.
- Put pressurizing pump onto radiator.
- Increase pressure to 20 kPa (3 psi) more than filler cap operating pressure.
- Check radiator for leakage on outside.
- Check all connections and hoses for leaks.
Tools required
- Pressurizing pump Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Full service-parts list: Perkins 1106 →
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.