Page No. 39
Kubota Emission-Related Installation Instructions
Document Number : KEA-STD-03-CRS-DOC-001-
④
Appendix 5
3. Fuel System
3-2. Fuel System Layout
Incorrect fuel system layout may cause decreased engine performance and/or fuel system durability issues.
Fuel System layout must comply with the following:
1. To maintain emissions compliance
These Tier 4 common rail engines utilize computer-controlled fuel injection. The Pre-Supply and Supply
pump are mounted to the engine and must remain in this configuration. The fuel supply lines, return
hoses, and other loose components must be installed according to the guidelines shown on the following
pages.
3-2-1. Fuel System Layout for KEA CRS-DOC Standard Engines