Allis Chalmers — TT %
For these Allis Chalmers models: 6138, 670T-1400 to 2400 rpm, Model 6701-1400 to 2400 rpm, Generator Drive-670T-1500 & 1800 rpm, 685, SERIES 433 & 649, SERIES 6138, SERIES 670, SERIES 685.
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Procedure
- 1. Drip manifold 5. Injection lines 9. Fuel filter/s 13. Drain cock
- 2. Nozzle holder assembly 6. Vent 10. Water separator 14. Fuel return line
- 3. Fuel return line 7. Hand primer pump 11. Drain cock 15. Fuel supply line
- 4. Fuel injection pump 8. Verit 12. Electric fuel pump
Source: manual:Allis_Chalmers_Series_433-649-670-685-6138_Manual-2.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.