1.2.4 Charging system 1.3 Maintenance standards 1.3.1 Engine mechanical system 22 Type JFB161 Rated voltage V 14 Rated output A 60 Regulation voltage V 14.4-15 Rated revolution speed r/min 5000 Rotation direction (view from the pulley end) Clockwise Polarity Negative earth Operate mode Continuous rating Regulator type IC regulator Pulley effective diameter mm 80 Weight (with pump) kg 6.1 No. Designation Standard dimension Fitting way Ex-work configuration Clearance (mm) Wear limit (mm) 4DA1 4DA1-1 1. Contact width of valve and retainer Intake valve Exhaust valve 1.7 2 2.2 2.5 2. Valve sinkage Intake valve Exhaust valve 0.65 0.65 1.28 1.20 3. Valve retainer bore angle 15°，45°， 75° 4.
Flank clearance 0.10-0.17 0.30 5. Axial runout clearance of idler A 0.07 0.20 6. Tappet outer diameter Tappet bore Φ130.010 0.028 Φ130.018 0 Gapping 0.01~0.046 0.10 7. Push rod radial runout 0.3 8. Rocker shaft deflection 0.3 9. Rocker shaft outer diameter Rocker bore 0 Φ190.02 0.03 Φ190.01 Gapping 0.01~0.05 0.20