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6C-50 FUEL SYSTEM Injection Volume and Governor Performance Diagram Injection Volume Timing Advance Specification Governor Adjustment Identification Numbers : 101401-7070/101401-7060 [4HF1 Engine] Pre-stroke : No. 1 plunger 4.1 ±0.05 mm (0.1614±0.0020 in) Injection order : 1 — 3 — 4 — 2 (interval 90 °±30′) Plungers are numbered from the Governor side Tappet clearance : Bolt adjustment type : More than 0.3 mm (0.0118 in) for all cylinders. : Shim adjustment type : Manually rotate the camshaft 2 — 3 times and confirm that it Adjusting point Pump speed (r.p.m.) Injection volume (cc/ 1000 strokes) Variance (%) Remarks 960 61 ±1.6 ±4 Basic H 285 16 ±1.3 ±10.0 A 960
61 ±1 — Basic B 1,600 (62) ±2 — C 500 (60.5) ±2 — I 150 (82) +16 −0 — Pump Speed (r.p.m.) 1,050 or less 1,000 1,600 or more Degree for Angle of Lead (deg.) Start 0.5 or less Finish 5 ±0.5 N6A0947E |