Yanmar 4JH4E - Page 13

12.5.2 Structure................................................................................................ 309
12.5.3 Wiring diagram ...................................................................................... 310
12.5.4 Standard output characteristics............................................................. 310
12.6 Instrument panel ............................................................................................... 311
12.6.1 B-type instrument panel (Selectable optional) ...................................... 311
12.6.2 C-type instrument panel (Selectable optional) ...................................... 311
12.7 Warning devices ............................................................................................... 312
12.7.1 Oil pressure alarm................................................................................. 312
12.7.2 Sender unit for lube oil pressure gauge ................................................ 313
12.7.3 Coolant temperature alarm ................................................................... 314
12.7.4 Sender unit for the coolant temperature gauge..................................... 314
12.8 Air heater (Optional) ......................................................................................... 315
12.9 Electric engine stopping device ........................................................................ 316
13. Service standards ...................................................................................................... 317
13.1 Engine tuning .................................................................................................... 317
13.2 Engine body ...................................................................................................... 319
13.2.1 Cylinder head ........................................................................................ 319
13.2.2 Camshaft and gear train........................................................................ 321
13.2.3 Cylinder block........................................................................................ 322
13.3 Lubricating oil system (Trochoid pump) ............................................................ 326
14. Tightening torque for bolts and nuts .......................................................................... 327
14.1 Main bolt and nut .............................................................................................. 327
14.2 Standard bolts and nuts (without lube oil) ......................................................... 327