2. Engine Overheated Operating state 1. Overload 2. Radiator core clogged 3. Continuous over-run Fuel excessive supply Repair Replace Clean and replace with specilied fuel Replenish Replace Retighten Replace Engine disassembly Replace Adjust repair injection pump Damage Repair Replace Repair Replace Engine disassembly Technical Information - 42 - Cool ing unit Fuel unit Check coolant Inspect fu el quality Nor mal Too low Poo r Check fa tension or dama n belt wear ge etc.
Nor mal Check water t fresh ank cap Nor mal Check th ermostat Nor mal Inspec excha t heat nger Nor mal Clean cooling water passage Check injec tion nozzle Inspe wate ct cooling r leakage Ext eranl Inte rnal Nor mal Abn ormal Rep Rep air lace Check cooling water pump Nor mal