(unit : mm) - 182 - APPENDIX Group Part Inspection Item Stand value for assembly Limit for use Correction Remark Cooling system Radiator Radiator & water pump for corrosion, damage & improper connecting - - Correct or replace Test for leakage (air pressure) (kg/cm2) 1.0 - Submerge in water and replace if air bubbles found Pressure valve for opening pressure (kg/cm2) 0.5 - Negative pressure valve for opening pressure (kg/cm2) 0.2 - Water pump Delivery volume l/min - Engine speed 2,100rpm - Water temp.24 ˚C - Back pressure : 1 kg/cm2 Approx.
350 - Clearance between pump impeller & pump body 0.3 ~ 0.6 - Replace if contacted impeller & pump body Cooling water temp Operating temperature (permissible temp.) ˚C 90 ~ 95 95 Temperature above this not allowable Permissible temperature in a short time. ˚C 103 103 Thermostat Thermostat opening temp. ˚C (under atmospheric pressure) 83 - Replace if defective Full opening temp. ˚C 95 or lower - Stroke : min. 8mm Fuel system Piping & the other Fuel pipe, injection pipe & nozzle holder for damage, cracks, looseness, bad packing - - Correct or replace Fuel filter element for damage - - Clean or replace Injection pressure of injection nozzle (kg/cm2) DE12T/TI/TIA:220 - Adjust by shim DE12TIS :
160/220 Operating pressure of overflow valve (kg/ ) cm2 1.6 - Replace valve Height of projected nozzle on the cylinder head (mm) DE12T/TI : 3.4 ~ 3.5 - - Replace cylinder head, nozzle tube or seal ring DE12TIS : 2.4 ~ 2.5 Misalingnment between injection pump coupling and coupling (mm) 0.2 or less - Adjust by shim With pump bracket Inspection at completion Running-in the engine - - Refer to supplement “running-in” Retighten head bolt after running in Cylinder pressure Cylinder compression pressure of cylinder (kg/cm2) 24 ~ 28 24 or more Overhaul the engine Compression pressure difference of each cylinder L10% or less against average - Correct at 200rpm or more (20C)