-6- Engine model 4DQ5 ~ ~ ~ '1=:l ""- Fuel injection nozzles Type of nozzle tips Bosch ND-DNOSD21 Spray hole diam mm (in.) 1 (0.04) Spray angle 0° Injection pressure kg/cm2 (psi) +146) 120 +18 (1706 Fuel filter Paper-element type e III ~ >'". ='" .sa ~ .'". .~ 3 Oil pump Type Trochoid Speed ratio to crankshaft 1/2 Capacity at oil temp. 50 ± 5°C (122 ± 9°F); pressure 3 kg/cm2 (42.7 psi) liter (cu in.)/ min/rpm 8.37 (510.8), min/lOOO (pump rpm) Oil pressure At duty run kg/cm2 (psi) 3 - 4 (42.7 - 56.9) At idling 1 - 2 (14.2 - 28.4) Oil filter Paper-element type Relief valve Type Piston-valve Valve opening pressure kg/ cm 2 (psi) 3 ± 0.2 (42.7 ± 2.8) Refill capacity Oil pan liter (U.s.
gal) 6.5 (1. 7) Oil filter 0.7 (0.18) Oil bypass valve Type Piston-valve Valve opening pressure kg/ cm 2 (psi) 0.8 - 1.2 (11.4 - 17.1) e III ~ >'". '" .Sf '0 0 U Water pump Type Centrifugal type Speed ratio to crankshaft 1.3 Capacity liter (cu in.)/ min/rpm 105 (6408)/3900 (pump rpm) Thermostat Type Wax Valve opening temperature 76.5 ± 2°C (169.7 ± 3.6°F) Valve lift temperature 90 ± 2°C (194 ± 3.6°p) Fan Type Circular-arc pusher type No. of blades 6 Outside diameter mm (in.) 380 (15) Ratio to crankshaft speed 1.3 Drive belt Type Low-edge cog B No. of belts 1 Refill capacity (engine water jacket) liter (U.S. gal) 4.5 (1.2)