Cummins/Onan TGHAA — Corrective Action:

For the Cummins/Onan TGHAA.

Applies to: Cummins Onan Tghaa

Procedure

1. 1. Replace Fuse F1 (B+) if blown.
2. 2. Clean and tighten the positive (+) and negative (–) battery cable connections at the battery and at
3. 3. Recharge or replace the battery. Refer to the battery manufacturer’s recommendations.
4. 1. Reset or turn ON the line circuit breaker on the genset.
5. 2. Reset or turn ON any other circuit breaker in the power supply system.
6. 3. Check for proper transfer switch function.
7. 1. Check for and remove any objects blocking the air inlet or outlet openings.
8. 2. Reduce the electrical load. (Note that high altitude and high ambient temperature decrease engine
9. 3. Clean the engine cooling fins and blower blades. See Periodic Maintenance.
10. 4. Review the installation and housing design against the specifications and requirements of the Instal-
11. 1. Check engine oil level and add oil as necessary. Repair oil leaks.
12. 2. Drain excess oil. (Excess oil leads to foaming and a consequent loss of oil pressure.)

Source: manual:965-0101B Onan TGHAA Genset Operator manual.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.