Isuzu C22NE Workshop Manual page 134

6C-14 ENGINE FUEL
Important Operations - Removal
1. Inlet and Outlet Fuel Hose
Use a rag to prevent the fuel from flowing from the fuel hoses.
NOTE:
Immediately plug the fuel hoses.
Do not work in close proximity to sparks or an open flame.
Important Operations - Installation
1. Fuel Filter
1) Install the fuel filter to the fuel pump in the direction
indicated by the arrow stamped on the side of the fuel filter.
2) Start the engine.
Check for fuel leakage from the fuel hose joints.