IHI Hitachi ZX870 Turbochargers Turbocharger IHI Hitachi ZX870 Excavator.
RHB5 is a IHI frame size that was used in many turbos: The RHB52w is found in our Mx6/Probe's with the VJ11 from 89-91. A Warner Ishi RHB52w was also used in the TBird from 87-88 (VC32M -for manual trans and (VC32A) for auto).(NOT a VJ17 which are from the non-U.S 323 GTX). Other RBH52w's include: 85-90 Isuzu I-Mark (VI-55), 84-87 Isuzu. Please have your VIN and the tire size handy when calling. Monday - Friday: 9AM-5PM CST Sat/Sun/Holidays:CLOSED (815) 568-7920. Enter your email address. Ihi Manual View and Download IHI 9NX service manual online. HYDRAULIC MINI excavator. 9NX excavators pdf manual download. Excavators IHI Service Repair Workshop Manuals IHI TURBO COMPRESSORS 40023-0-1000,GR Printed in Japan 7-12, Shinonome 1-chome, Koto-ku, Tokyo 135-0062 Japan. Turbochargers RH-series turbochargers are developed, marketed and manufactured by IHI America under license from IHI. IHI and IHI America have a long, successful history in the manufacture of quality, reliable high-speed rotary machines.
Bearings scored from lack of oil supply or bad oil / contamination
Bearing failure
Scored bearing on turbine wheel. See shaft is blue from getting hot from lack of oil lubrication
Cracked turbine housing at exhaust inlet
Cracks in trubine housing inside housing
Internal turbine housing cracks
Burst compressor wheel
Foreign object damage to compressor wheel
Compressor wheel failure after scrubbing walls of compressor cover, secondary failure after bearings have failed
Exhaust bypass cracks
Compressor wheel scrubbing compressor cover
Ihi Turbocharger Manual Transmission
Foreign object damage on compressor inlet
Foreign object damage on compressor inlet
Thrust bearing stack up
Example of thrust bearing cracks and damage
Thrust bearing scoring and damage
Piston ring damage and bearing journal damage from lack of proper oil supply
Broken turbine wheel and shaft from abrupt stop
Broken turbine wheel blade from foreign object damage, most likely from an engine valve or piston
Foreign object damage from engine
Ihi Turbo Service Manual
Damage to turbine wheel from scrubbing turbine housing
Vanes on variable vane geometry turbo
Damage to vanes on variable vane geometry turbo
Ihi Turbo
Turbocharger air flow diagram
Ihi Turbocharger Manual Pdf
| Possible Failure Diagnosis | Engine Running Hot | Poor Transient Response | Smoke | Engine Lacks Power | Black Exhaust Smoke | Blue Exhaust Smoke | High Oil Consumption | Turbocharger Noisy | Cyclic Sound from the Turbocharger | Oil Leak from Compressor Seal | Oil Leak from Turbine Seal |
| Dirty air cleaner Clean or replace element according to manufacturer’s recommendations | |||||||||||
| Restricted compressor intake duct Remove restriction or replace damaged parts as required | |||||||||||
| Restricted air duct from compressor to intake manifold Replace seals, gaskets or tighten fasteners as required | |||||||||||
| Restricted intake manifold Refer to engine manufacturer’s manual and remove restriction | |||||||||||
| Air leak in feed from air cleaner to compressor Replace seals, gaskets or tighten fasteners as required | |||||||||||
| Air leak in feed from compressor to intake manifold Replace seals, gaskets or tighten fasteners as required | |||||||||||
| Air leak between intake manifold and engine Refer to engine manufacturer’s manual and replace gaskets or tighten fasteners as required | |||||||||||
| Foreign object in exhaust manifold (from engine) Refer to engine manufacturer’s manual and remove obstruction | |||||||||||
| Restricted exhaust system Remove restriction or replace damaged parts as required | |||||||||||
| Exhaust manifold cracked, gaskets blown or missing Refer to engine manufacturer’s manual and replace gaskets or damaged parts as required | |||||||||||
| Gas leak at turbine inlet/exhaust manifold joint Replace gasket or tighten fasteners as required | |||||||||||
| Gas leak in ducting after turbine outlet Refer to engine manufacturer’s manual and repair leak | |||||||||||
| Restricted turbocharger oil drain line Remove restriction or replace damaged parts as required | |||||||||||
| Restricted engine crankcase breather Refer to engine manufacturer’s manual, clear restriction | |||||||||||
| Turbocharger bearing housing sludged or coked Change engine oil and oil filter, overhaul or replace turbocharger as required | |||||||||||
| Fuel injection pump or fuel injectors incorrectly set Refer to engine manufacturer’s manual and replace or adjust faulty components as required | |||||||||||
| Engine valve timing incorrect Refer to engine manufacturer’s manual for correct settings and adjust as required | |||||||||||
| Worn engine piston rings or liners Refer to engine manufacturer’s manual and repair as required | |||||||||||
| Burnt valves and/or pistons Refer to engine manufacturer’s manual and repair as required | |||||||||||
| Excessive dirt build-up on impeller and/or diffuser vanes Clean in accordance with the appropriate manufacturer repair manual | |||||||||||
| Turbocharger damaged Find and correct cause of failure, repair or replace turbocharger as necessary | |||||||||||
| Failed diaphragm Replace using correct Actuator Service Kit | |||||||||||
| Siezed valve Free valve/replace complete turbine housing sub-assembly | |||||||||||
| Leaking hose Replace hose and clips | |||||||||||
| Wastegate mechanism set incorrectly |
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