Engine Compression
With engine at normal operating temperature, disconnect injection lines. Remove return lines and nozzle holders. Lock pump stop control in off position. Connect pressure gauge and crank for 4 seconds at 200 RPM. Compression pressure should be as follows:
COMPRESSION SPECIFICATIONS
| Application | Specification | |
|---|---|---|
| Compression Ratio | ||
| Diesel | 23:1 | |
| Turbo Diesel | 21:1 | |
| Min. Compression Pressure | 261 psi (18.3 kg/cm2 ) | |
| Max. Variation Between Cylinders | 18% | |