Restriction of Air Inlet and Exhaust
如果进气或排气系统有阻力，发动机的功率和效率就会降低。
流经空气滤清器的气流可能会受阻。 气流的流动阻力不得超过 6.25 kPa6.25 kPa (25 in H2O)。
背压是出口弯头的排气压力和大气压力的压力差。 排气背压不应超过 6.75 kPa (27 inH2O)。
Caterpillar Information System:
2000/07/01 New Caterpillar Digital Ignition System (CDIS) Provides Improvements Over Magneto Systems {1550, 1552}
2001/07/01 New Unit Injector Sleeves and O-ring Seals Are Now Available {1290}
3500 Generator Set Engines Fuel Setting
3054 and 3056 Industrial and Generator Set Engines Gear Group - Inspect
3500 Generator Set Engines Fuel Injector Synchronization
3176C and 3196 Engines for Caterpillar Built Machines Fuel System Pressure - Test
3500 Generator Set Engines Fuel Injector Timing
2000/07/01 New Water Pumps With Improved Resistance To Shock Loads Used {1361}
3126B and 3126E On-highway Engines Injection Actuation Pressure Sensor - Test
3126B Engine for Caterpillar Built Machines Turbocharger
SR4 and SR4B Electric Power Generation Rewind Data Winding Data for <B>9Y-1408</B> Generator through <B>9Y-9422</B> Generator
C-9 Engine for TK711, TK721, TK722, TK732, TK741, TK751, and TK752 Track Feller Bunchers Replacing the ECM
3500 Generator Set Engines Measuring Inlet Manifold Pressure
3126B Industrial Engine Electric Starting Motor
3500 Generator Set Engines Measuring Exhaust Temperature
EMCPII+ for Gas Engines GSC CID 0334 - FMI 04
3500B Marine Engines Throttle Position Sensor - Calibrate
Electronic Modular Control Panel II+ (EMCP II+) GSC CID 1170 - FMI 04
3500B Marine Engines MID 047 - CID 0001 - FMI 05 Injector Cylinder 1 open circuit
3500B Marine Engines MID 047 - CID 0001 - FMI 06 Injector Cylinder 1 short
3500B Marine Engines MID 047 - CID 0002 - FMI 05 Injector Cylinder 2 open circuit
3500B Marine Engines MID 047 - CID 0002 - FMI 06 Injector Cylinder 2 short
3500B Marine Engines MID 047 - CID 0003 - FMI 05 Injector Cylinder 3 open circuit
3500B Marine Engines MID 047 - CID 0003 - FMI 06 Injector Cylinder 3 short