Cummins — Procedure 11
For these Cummins models: GTA38, GTA38, GTA50, GTA50.
Browse Cummins generators & specs →
Procedure
- 1. Disconnect battery ground cable from engine to pre-
- vent starting of the engine.
- 2. Drain all coolant from the aftercooler cooling system.
- . Disconnect both the pressure line and the suction
- line from the auxillary aftercooler water pump.
- . Remove both inlet and outlet fittings.
- . Loosen and remove the 4 mounting bolts and nuts.
- . Remove the drive belt.
- . Remove the auxiliary aftercooler drive pulley from
- the pump.
- . Install a new pump.
- install the 4 mounting bolts and nuts and do not
- tighten at this time.
- 10. Install the inlet and out let fittings. Use a thread
- sealant on the pipe threads.
Source: manual:Cummins Gas GTA38-50 Manual 1999 (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.