M5030 running on 2 cylinders

bull1200

New member

Equipment
M5030
Dec 12, 2022
1
0
1
Alabama
M5030 less than 1500 hours. All of a sudden, not starting. Finally got it to start and it runs on 2 cylinders.
No fuel out of injector pump on 2 cylinders. Any ideas before an injector pump rebuild? TIA
 

Dave_eng

Well-known member
Lifetime Member

Equipment
M7040, Nuffield 465
Oct 6, 2012
5,236
1,018
113
Williamstown Ontario Canada
Check for strong fuel delivery to injection pump.
Plugged fuel tank outlet, plugged filter fittings.
Study attached pages.
Note return line from injectors to tank. This is a good way to assess if adequate fuel is being supplied to injection pump.
Rarely necessary to mess with injection pump and an inexperienced mechanic can easily make things much worse.
Another caution, when I read the words "finally got it started," I feel the need to caution about using Quick Start or Ether on Kubota diesels. A very bad idea resulting in bent connecting rods causing lower compression, broken rings or piston lands.
Dave
 

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