Perkins 1506 — Aftercooler Core - Inspect/Clean/Test - Clean
Maintenance
For the Perkins 1506, from the Perkins owner's manual.
Applies to: Perkins 1506A engine, Perkins 1506C engine, Perkins 1506D engine
Before you start
- Do not use a high concentration of caustic cleaner to clean the core.
Procedure
- Place the aftercooler on the side to remove accessible debris.
- Back flush the core with cleaner.
- Use a pressure steam cleaner to remove residue; flush the fins; remove trapped debris.
- Wash the core with hot, soapy water.
- Flush the core thoroughly with clean, fresh water until exiting water is clear.
- Dry the core with compressed air, directed in the reverse direction of normal flow.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Hydrosolv 4165 / Hydrosolv 100 cleaner, 2 to 5 percent concentration at temperatures up to 93 °C (200 °F)
- Maximum air pressure 205 kPa (30 psi) when air nozzle is deadheaded
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.