Engine Lacks Power

1. Check intake system for restrictions.
2. Ensure accelerator control cable is not twisted or binding.
3. Check seals on full load adjustment bolt and maximum speed stop bolt.
4. Ensure accelerator control lever is in contact with maximum speed stop bolt.
5. Check exhaust system for restrictions.
6. Ensure all air has been removed from fuel filter.
7. Check fuel lines to ensure all connections are secure and no lines are collapsed.
8. Check fuel tank breather for restrictions.
9. Check fuel quality.
10. Check notched line on injection pump flange, and reset timing as necessary.
11. Check fuel spray pattern and ensure injection starting pressure is 1493 psi.
12. Ensure valve clearances are satisfactory. Refer to specifications.
13. Check compression pressure in each cylinder. Standard value should be 441 psi.
14. Check delivery valve for sticking.
15. Replace or readjust setting of injection pump.