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Home›Repair guides›Carburetor And Intake Manifold Assembly - Disassembly

Compatible — Carburetor And Intake Manifold Assembly - Disassembly

For these models: MODEL BGD, MODEL NHD.

Before you start

  • Large volumes of LPG can be released in the process of disconnecting a liquid-withdrawal type of LPG supply system.
  • Bending the fuel vaporizer tubing can weaken it to the point that it can crack allowing LPG under high pressure to escape, resulting in possible severe personal injury or death.

Procedure

  1. Remove the air cleaner assembly.
  2. Disconnect the fuel line and governor rod from the carburetor.
  3. Remove the intake manifold capscrews, the carburetor air preheater (gasoline gensets only) and the carburetor and intake manifold as an assembly.
  4. Remove the two intake manifold gaskets and cover the intake ports to prevent loose parts from accidentally entering the ports.
  5. Unbolt the carburetor from the intake manifold.

Source: manual:965-0500_Onan_BGD_NHD_spec_H_J-K_L-M_Mobile_Generator_Servicve_manual_11-1995.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.