Komatsu FG25T-12:
Made pop sound and stopped running

Our FG25TLP was running and made pop sound and died. Checked propane, spark on cylinder at compression stroke. Sprayed starting fluid and did not even make attempt to start. Any ideas?
  • Posted 11 Dec 2018 00:08
  • Discussion started by tdarr
  • Florida, United States
Showing items 1 - 4 of 4 results.
Found problem with forklift. Problem was in carburetor. Rebuilt carb and gave tuneup. Started on first try and runs like new. Still can't figure out why it would not start with starting fluid. Had spark.
  • Posted 20 Dec 2018 23:21
  • Reply by tdarr
  • Florida, United States
You feel good suction at the mouth of the carb? Did you check compression with a gauge? If so, I would guess it is a spark problem. It should have at least made an attempt tp start with the start fluid or gas.
  • Posted 11 Dec 2018 05:58
  • Reply by mrfixit
  • New York, United States
We pulled up compression stroke on number one cylinder and checked rotor to see if it jumped tine. Checked vaporizer and regulator. We even pored gas strait in and tried starting. Pulled plugs and were not even wet or smell of gas. Compression and suction at carb. feel good. Fuel is not getting into cylinders. Starting fluid , it doesn't even act like it wants to fire. All plugs stay sparking when spinning engine over.
  • Posted 11 Dec 2018 04:33
  • Reply by tdarr
  • Florida, United States
Check diaphragm in mixer, probably blew a hole in it.
  • Posted 11 Dec 2018 00:57
  • Reply by stam
  • Ontario, Canada

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