Hyundai u125 series Installation & Operation Manual
  1. Manuals
  2. Brands
  3. Hyundai Manuals
  4. Engine
  5. u125 series
  6. Installation & operation manual
Hyundai u125 series Installation & Operation Manual

Hyundai u125 series Installation & Operation Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual

Advertisement

Table of Contents
loading

Related Manuals for Hyundai u125 series

Summary of Contents for Hyundai u125 series

  • Page 2: Table Of Contents

    INSTALLATION & OPERATION MANUAL U125 Series Engines TABLE OF CONTENTS ABOUT THIS MANUAL …………………………………………………….………………… SAFETY PRECAUTIONS…………………………………………………………………… APPROXIMATE CONVERSIONS FROM STANDARD…………………………………….. CHAPTER 1 ENGINE OVERVIEW ……………………………………………………….. 1. ENGINE COMPONENTS ………………………………………………… 2. ENGINE HANGER……………..…………………………………………… 3. ENGINE IDENTIFICATION ………………………………………….….. 4. SCHEMATIC DIAGRAM OF COMMON RAIL DIESEL ENGINE ……...
  • Page 3 INSTALLATION & OPERATION MANUAL U125 Series Engines TABLE OF CONTENTS CHAPTER 7 ELECTRICAL SYSTEM …………………………………………………… 1. BATTERY CABLE CONNECTIONS ……………………………..… 2. BATTERY CHECKS ………………………………………………….… 3. FUSE AND RELAY ………………………………………………….…… CHAPTER 8 INSTRUMENT SYSTEM ……………………...…………………..………… 1. INSTRUMENTS CONNECTION …………..……………….….……...… 2. CUT-OUT FOR GAUGE…………………………………………………...

  • Page 4: About This Manual

    This engine installation and operation manual is provided as guidance for the installation of Hyundai SeasAll engine in a boat, and to describe engine operation. Its purpose is to provide technical information to aid in performing an effective engine installation so as to achieve both maximum performance and service life.

  • Page 5: Safety Precautions

    • There is always a risk of burns when working Hyundai SeasAll for safe use of these with a hot engine. Be aware of hot parts like products. Be sure to check your engine the turbocharger system, the exhaust system, regularly.

  • Page 6: Approximate Conversions From Standard

    INSTALLATION & OPERATION MANUAL U125 Series Engines APPROXIMATE CONVERSIONS FROM STANDARD MULTIPLY MULTIPLY SYMBOL SYMBOL SYMBOL SYMBOL 0.039 inch inch 25.4 LENGTH inch LENGTH inch 2.54 3.28 0.3048 0.0016 645.2 AREA AREA 10.764 0.093 0.061 in ³ in³ 16.388 0.06 61.023...

  • Page 7: Chapter 1 Engine Overview

    INSTALLATION & OPERATION MANUAL U125 Series Engines CHAPTER 1 ENGINE OVERVIEW 1.ENGINE COMPONENTS 1. ECU Box 6. Engine Oil Gauge 7. Acceleration Lever Sensor 2. Engine Oil Cap 8. Fuel Filter 3. Engine Oil Filter 4. Seawater Pump 9. Eng. Cover 10.Starter...

  • Page 8: Engine Hanger

    INSTALLATION & OPERATION MANUAL U125 Series Engines 2. ENGINE HANGER • To lift the engine, first remove the engine cover. You will find two engine hanger (see figure) • To avoid engine damage, take care that engine lift chains or belts do not hit or touch surrounding parts during engine lifting.

  • Page 9: Engine Identification

    INSTALLATION & OPERATION MANUAL U125 Series Engines 3. ENGINE IDENTIFICATION Engine identification is affixed to the engine block and the ECU box (see figure).  SERIAL NUMBER ON THE ENGINE BLOCK • ENGINE NAME PLATE D4FB Engine Family U125X Engine Type XXXXXXXX Engine Serial No.

  • Page 10: Schematic Diagram Of Common Rail Diesel Engine

    INSTALLATION & OPERATION MANUAL U125 Series Engines 4. SCHEMATIC DIAGRAM OF COMMON RAIL DIESEL ENGINE Common rail Feed Rail pressure regulator valve Rail pressure Sensor Return Pump pressure regulator valve Air filter Return High pressure Boost pressure pump sensor &...

  • Page 11: Technical Data

    INSTALLATION & OPERATION MANUAL U125 Series Engines 5. TECHNICAL DATA U125S U125P U125J Engine type 4-stroke, 16-valve After-cooled, direct-injection, water cooling Output ps (kW) 125ps (93) rpm at full load 4000 Cylinders In-line 4 Ignition sequence 1-3-4-2 Displacement [cm 1,582 Bore [mm] 77.2...

  • Page 12: Performance Curve

    INSTALLATION & OPERATION MANUAL U125 Series Engines 6. PERFORMANCE CURVE  U125S & U125P MODEL Torque 1000 1500 2000 2500 3000 3500 4000 4500 1000 1500 2000 2500 3000 3500 4000 4500 Engine Speed (rpm) *F.C : Fuel Consumption -11-...
  • Page 13 INSTALLATION & OPERATION MANUAL U125 Series Engines  U125J MODEL 1000 1500 2000 2500 3000 3500 4000 4500 1000 1500 2000 2500 3000 3500 4000 4500 Engine Speed (rpm) *F.C : Fuel Consumption -12-...

  • Page 14: Belt Layout & Engine Dimensions

    INSTALLATION & OPERATION MANUAL U125 Series Engines 7. BELT LAYOUT & ENGINE DIMENSIONS  V-RIBBED BELT LAYOUT  Bobtail Front view Side view [for sterndrive] Side view [for shaftdrive] Side view [for waterjet with bearing housing] -13-...
  • Page 15 INSTALLATION & OPERATION MANUAL U125 Series Engines  MerCruiser Bravo One X Diesel Side view Front view  ZF 25 A Front view Side view -14-...
  • Page 16 INSTALLATION & OPERATION MANUAL U125 Series Engines  ZF 45 A Side view Front view  ZF 45 C Side view Front view -15-...

  • Page 17: Preparing The Engine Installation

    <Engine mount tool> the Engine Mounts > -. Engine installation must be done by a qualified technician. Hyundai SeasAll engines must be aligned Hyundai-SeasAll alignment tool(5 Step) using the genuine Hyundai SeasAll alignment tool Otherwise the drive coupler will be damaged.

  • Page 18: Bellhousing Fixing

    ) to keep the bolt from turning while adjusting the engine height by turning the middle nut ( ). Adjust the engine height until the Hyundai SeasAll alignment tool can be properly inserted. 2) After alignment, place washer ( ) on top of...

  • Page 19: Chapter 3 Cooling & Exhaust System

    INSTALLATION & OPERATION MANUAL U125 Series Engines CHAPTER 3 COOLING & EXHAUST SYSTEM 1. SCHEMATIC DIAGRAM OF ENGINE COOLING CIRCUIT CABIN HEATER CONNECTOR AIR FILTER EX-MANIFOLD ENG.OIL COOLER TURBO CHARGER THERMOSTAT COOLANT PUMP IN-MANIFOLD HEAT EXCHANGER OIL COOLER EXPANSION TANK...

  • Page 20: Seawater Flow

    INSTALLATION & OPERATION MANUAL U125 Series Engines 2. SEAWATER FLOW – OPEN COOLING CIRCUIT Water strainer ← Water valve ← Water pickup ↓ ① Seawater pump ↓ ② Intercooler ↓ ③ Transmission oil cooler ↓ ④ Heat exchanger ↓ ⑤ Exhaust elbow ↓...
  • Page 21 INSTALLATION & OPERATION MANUAL U125 Series Engines CLEAN STRAINER FILTER • Stop the engine and close the water valve. • Remove the filter cap. • Remove the filter element, flush it thoroughly with clean water or compressed air. • Insert the cleaned filter element and screw on the filter cap.

  • Page 22: Checking Sea Water Pump & Impeller

    INSTALLATION & OPERATION MANUAL U125 Series Engines 2.4 CHECKING SEA WATER PUMP & IMPELLER • Stop the engine and close the water valve. • Remove the impeller housing cover. • Remove the impeller from inside the seawater pump. • Check the condition of impeller and bushing.

  • Page 23: Sea Water Drain

    INSTALLATION & OPERATION MANUAL U125 Series Engines 2.5 SEA WATER DRAIN HEAT EXCHANGER • Remove anode, then please let the sea water drain. • Removing and Inspection procedure 1. Remove the anode plugs on the heat exchanger (A) and the intercooler (B).

  • Page 24: Engine Coolant Flow

    INSTALLATION & OPERATION MANUAL U125 Series Engines 3. ENGINE COOLANT FLOW  THERMOSTAT CLOSED ① Engine coolant outlet ② Engine oil cooler ③ Exhaust manifold ④ Engine coolant inlet  THERMOSTAT OPENED ① Engine coolant outlet ② Engine oil cooler Thermostat opened (opening temp 85℃)
  • Page 25 INSTALLATION & OPERATION MANUAL U125 Series Engines • If the coolant level is low, add enough specified coolant to provide protection against freezing and corrosion. Bring the level to MAX, but do not overfill. • If frequent additions are required, see an authorized dealer for a cooling system inspection.

  • Page 26: Removing Air Bubble

    INSTALLATION & OPERATION MANUAL U125 Series Engines 3.2 REMOVING AIR BUBBLES IN COOLANT • Start the engine and warm it up at a low rpm. • Stop the engine and allow the engine to cool, and then open the cap of the expansion tank carefully.

  • Page 27: Exhaust System

    U125 Series Engines 4. EXHAUST SYSTEM • Your Hyundai SeasAll engine’s exhaust system consists of a coolant-cooled exhaust manifold and a seawater-cooled exhaust elbow (water injected wet exhaust system). • The vessel’s exhaust line should not be made too long and should be as straight as possible.

  • Page 28: Chapter 4 Fuel System

    INSTALLATION & OPERATION MANUAL U125 Series Engines CHAPTER 4 FUEL SYSTEM The fuel supply system of this engine is diesel common rail direct injection. In order to optimize engine combustion, maximum injection pressure is up to 1600 bar. Multi-injection is possible thanks to the quick response of the solenoid type injector.

  • Page 29: Fuel Flow

    INSTALLATION & OPERATION MANUAL U125 Series Engines 1. FUEL FLOW Fuel tank ↓ Water separator ↓ ① Fuel filter with water detection sensor ↓ ② High pressure pump ↓ ③ Common rail ↓ ④ Injector ↓ ⑤ Return to fuel tank 2.

  • Page 30: Acceleration Sensor And Control Lever

    INSTALLATION & OPERATION MANUAL U125 Series Engines 3. ACCELERATION SENSOR AND CONTROL LEVER 60 mm When installing control lever cable to acceleration sensor, be sure that the acceleration sensor lever is fully released at the idle position and fully pulled to the full-load position.

  • Page 31: Recommended Fuel Quality

    ③ After starting the engine, check to make certain the fuel filter warning light is off. CAUTION HYUNDAI SEASALL’S GUARANTEES OR WARRANTIES ARE VOID IN CASES WHERE DAMAGE TO FUEL INJECTON COMPONENTS (HIGH PRESSURE PUMP, INJECTORS, ETC.) CAN BE ATTRIBUTED TO THE USE OF UNQUALIFIED FUELS.

  • Page 32: Engine Air Consumption

    INSTALLATION & OPERATION MANUAL U125 Series Engines CHAPTER 5 AIR INTAKE SYSTEM 1. ENGINE AIR CONSUMPTION -. The engine needs to have a proper volume of intake air for combustion. This requires a minimum internal area of air supply ducting the area can be calculated by using the following...

  • Page 33: Air Filter Maintenance

    U125 Series Engines 3. AIR FILTER MAINTENANCE • The original Hyundai SeasAll air cleaner may be cleaned and reused. • If the air filter is very dirty, it can increase airflow resistance and reduce flow of air to the engine.

  • Page 34: Chapter 6 Lubrication System

    INSTALLATION & OPERATION MANUAL U125 Series Engines CHAPTER 6 LUBRICATION SYSTEM 1. ENGINE OIL LEVEL CHECKS The engine oil level must be checked at regular intervals. • Be sure the boat is level. • Start the engine and allow it to reach normal operating temperature.

  • Page 35: Engine Oil Extaction Pump

    WARNING USED OIL MUST BE STORED IN A SAFE PLACE AWAY FROM CHILDREN AND SOURCES OF IGNITION. IF YOU HAVE A USED OIL DISPOSAL PROBLEM, PLEASE HAVE THE ENGINE OIL CHANGED BY YOUR NEAREST HYUNDAI SEASALL SERVICE DEALER. -34-...

  • Page 36: Chapter 7 Electrical System

    INSTALLATION & OPERATION MANUAL U125 Series Engines CHAPTER 7 ELECTRICAL SYSTEM 1. BATTERY CABLE CONNECTIONS • The size of battery cable should be at least 40㎟ within a length of 4m. • And it should be at least 50㎟ if the cable is longer than 4m.

  • Page 37: Battery Checks

    INSTALLATION & OPERATION MANUAL U125 Series Engines 2. BATTERY CHECKS Battery inspection is very important in electronically controlled engines: You must check the battery condition regularly. LOAD TEST • Perform the following steps to complete the load Voltage Temperature test procedure for maintenance-free batteries.

  • Page 38: Fuse And Relay

    ECU box. Always replace a blown fuse with one of the same rating. • If the replacement fuse blows, this indicates an electrical problem. Avoid using the system involved and immediately consult an authorized Hyundai SeasAll dealer. Fuses in the ECU Box System Power : 30Amp...
  • Page 39 INSTALLATION & OPERATION MANUAL U125 Series Engines RELAYS Relays in the ECU Box 1) Oil Extraction Pump Relay : 30Amp 2) Main Relay : 30Amp 3) Starter Solenoid Relay : 30Amp 4) Glow Relay : 70Amp Using an ohmmeter, check that there is continuity between each terminal.

  • Page 40: Chapter 8 Instrument System

    INSTALLATION & OPERATION MANUAL U125 Series Engines CHAPTER 8 INSTRUMENT SYSTEM 1. INSTRUMENT CONNECTIONS Main EOI SeasLink Dongle (Connect to OBD Terminal in EOI) Dual EOI (Opt) Engine to EOI wiring (5m/7m/10m/15m) [00112-7D195, 00112-5S197, 00112-5S190, 00112-5S196] EOI to RPM gauge (Ø 85) Wiring [00113-5S104, 00113-5S1G4(Chrome)] EOI to coolant temp gauge (Ø...
  • Page 41 INSTALLATION & OPERATION MANUAL U125 Series Engines 1.1 STANDARD INSTRUMENTS Ø 5 RPM Gauge Coolant Temperature Gauge Battery Voltmeter Gauge Ignition Key switch NOTE: Gauge panel (show above) is not standard but available as an option 1.2 COOLANT TEMPERATURE GAUGE •...
  • Page 42 INSTALLATION & OPERATION MANUAL U125 Series Engines 1.3 RPM GAUGE 1) When the key is at ignition ON position, this gauge will work. 2) This gauge indicates real-time engine rpm. 3) Avoid max. rpm and WOT (Wide Open Throttle) before a cold engine is fully warmed up, as it can harm the engine.

  • Page 43: Cut-Out For Gauge

    INSTALLATION & OPERATION MANUAL U125 Series Engines 1.5 BATTERY VOLT METER GAUGE • This gauge will work when the key is in the “ON” position. • This gauge indicates real-time battery voltage. • If battery voltage is not sufficient, the engine can not be started.

  • Page 44: Seaslink Product Components

    INSTALLATION & OPERATION MANUAL U125 Series Engines 4. SEASLINK PRODUCT COMPONENTS Bluetooth 4.0 1) SeasLINK Dongle communication 2) Smart phone application “SeasLINK” Engine Information WIFI or Mobile Network Ship's Log Diagnosis Transmit Fault Data Group boating 3) Web site " seaslink.hyundai-seasall.com"...

  • Page 45: Installation Of Seaslink Dongle

    INSTALLATION & OPERATION MANUAL U125 Series Engines 5. INSTALLATION OF SEASLINK DONGLE Install the SeasLINK dongle for communication between the engine and your smart phone. The dongle should be installed on the diagnosis connector (OBD Terminal) of the EOI. If you use the diagnosis tool, PLEASE REMOVE SEASLINK DONGLE.

  • Page 46: Chapter 9 Eoi System

    When the engine starts normally, the lamps all go off. If there is a problem, the specific lamp will come on. You should contact your nearest Hyundai SeasAll dealer and have the engine checked as soon as possible 1. OVERVIEW OF EOI SYSTEM...

  • Page 47: Switches

    INSTALLATION & OPERATION MANUAL U125 Series Engines 1.2 SWITCHES • Buzzer Reset Switch - This switch is used for turning off the alarm temporarily. • Dimmer Switch - This switch is used for controlling brightness of the other gauges connected to the EOI.

  • Page 48: Eoi Connections

    INSTALLATION & OPERATION MANUAL U125 Series Engines 2. EOI CONNECTIONS Rear view 1. Connection plug – CN1 (from engine) 6. Connection plug – CN6 (service tool) 2. Connection plug – CN2 (to dual EOI) 7. Connection plug – CN7 (external) 3.

  • Page 49: Eoi Pin Assignment

    INSTALLATION & OPERATION MANUAL U125 Series Engines 3. EOI PIN ASSIGNMENT CN1 (MAIN EOI CONNECTOR FROM ENGINE) 1. Ignition power 13. RPM signal 2. Main relay power 14. Spare 3. Permanent power 15. Spare 4. Not used 16. Spare 5. Not used 17.
  • Page 50 INSTALLATION & OPERATION MANUAL U125 Series Engines CN3 (TACHOMETER) Main relay power RPM signal Ground Illumination Illumination CAN_H CAN_L Not used CN4 (COOLANT TEMP. GAUGE) Coolant temperature signal Ignition power Ground Illumination Illumination Not used CN5 (VOLT GAUGE) Ignition power...

  • Page 51: Neutral Switch And Dual Eoi Connection

    INSTALLATION & OPERATION MANUAL U125 Series Engines CN8 (KEY BOX) Ignition power Start power IG_POWER Permanent power START BATT 4. NEUTRAL SWITCH AND DUAL EOI CONNECTION 1) Neutral switch wires should be connected at pin #4 and #5 of the external connector of the EOI.

  • Page 52: Trim Wiring Connection Diagram

    INSTALLATION & OPERATION MANUAL U125 Series Engines 5. TRIM WIRING CONNECTION DIAGRAM TRANSOM PLATE GROUND TRIM LIMITE SWITCH-TRIM LIMITER TRIM LIMITE WIRING SWITCH-TRIM LIMITER GAUGE TRIM SENSOR TRIM SENDER WIRNG TRIM SENDER TRANSOM WIRING TRIM SENSOR BUZZER RESERVOIR TANK GROUND...

  • Page 53: G-Scan

    INSTALLATION & OPERATION MANUAL U125 Series Engines 6. G-SCAN G-scan is diagnosis tool have function the DTC analysis, fault code searching, data analysis and ECU upgrade. G-SCAN CONNECTIONS G-scan can be connected to the CN6 connector of EOI, as well as G-scan connector in the ECU box.

  • Page 54: Alarm And Dtc(Diagnosis Trouble Code)

    (diagnosis trouble code) will give you information about it. The DTC display is only for initial assistance and to aid communication with a Hyundai SeasAll dealer if there is an emergency. You should contact your nearest Hyundai SeasAll dealer as soon as possible if a system problem arises.
  • Page 55 INSTALLATION & OPERATION MANUAL U125 Series Engines Fail safety Alarm Item Description Expectation Cause(s) Fuel cut Note 1) Lamp Buzzer RPM limit P0203 Open load ○ P0267 Short circuit ground √ • Injector circuit Cylinder3 injector P0268 Short circuit battery √...
  • Page 56 INSTALLATION & OPERATION MANUAL U125 Series Engines Fail safety Alarm Item Description Expectation Cause(s) Fuel cut Note 1) Lamp Buzzer RPM limit P0254 Short circuit to battery of metering unit output ○ PPRV Short circuit to ground of metering unit output √...

  • Page 57: Dtc(Diagnosis Trouble Code)List

    INSTALLATION & OPERATION MANUAL U125 Series Engines 7.2 DTC(DIAGNOSIS TROUBLE CODE)LIST P code DESCRIPTION P0016 Crankshaft Position – Camshaft Position Correlation P0047 Turbocharger Boost Control Solenoid Circuit Low P0048 Turbocharger Boost Control Solenoid Circuit High P0069 Manifold Absolute Pressure – Barometric Pressure Correlation...
  • Page 58 INSTALLATION & OPERATION MANUAL U125 Series Engines P code DESCRIPTION P0232 Fuel Pump Secondary Circuit High P0234 Turbocharger Over boost Condition P0237 Turbocharger Boost Sensor "A" Circuit Low P0238 Turbocharger Boost Sensor "A" Circuit High P0252 Pump Pressure Regulation Valve Circuit...
  • Page 59 INSTALLATION & OPERATION MANUAL U125 Series Engines P code DESCRIPTION P0341 Camshaft Position Sensor A Circuit Range/Performance P0381 Glow Plug/Heater Indicator Circuit P0562 System Voltage Low P0563 System Voltage High P0601 Internal Control Module Memory Check Sum Error P0602 Control Module Programming Error...
  • Page 60 INSTALLATION & OPERATION MANUAL U125 Series Engines P code DESCRIPTION P1171 Minimum Rail Pressure Exceeded P1172 Maximum Rail Pressure Exceeded P1173 Set Value of PCV not in Plausibility Range P1185 Maximum Pressure Exceeded P1186 Minimum Pressure at Engine Speed Too Low...
  • Page 61 INSTALLATION & OPERATION MANUAL U125 Series Engines P code DESCRIPTION P2138 Throttle/Pedal Position Sensor/Switch “D” / “E” Voltage Correlation P2228 Barometric Pressure Circuit Low Input P2229 Barometric Pressure Circuit High Input P2262 Turbocharger Boost Pressure Not Detected - Mechanical P2263...

  • Page 62: Chapter 10 Anti Corrosion System

    INSTALLATION & OPERATION MANUAL U125 Series Engines CHAPTER 10 ANTI CORROSION SYSTEM INTERCOOLER HEAT EXCHANGER Sacrificial anodes 1) Sacrificial anode must be replaced every 250 hours or if more than 60% has been used. 2) Check especially frequently when used in saltwater. It is recommended to replace the sacrificial anodes at the start of each season.

  • Page 63: Chapter 11 Engine Operation

    INSTALLATION & OPERATION MANUAL U125 Series Engines CHAPTER 11 ENGINE OPERATION 1. ENGINE ON/OFF 1) Before starting the engine, you should check engine oil, coolant, gearbox oil, fuel gauge, raw water pump, battery, and so on. 2) When you start the engine, check that the engine throttle lever① is at neutral position. If not, the engine may not start or there is possibility of shooting off.

  • Page 64: Engine Brake In

    INSTALLATION & OPERATION MANUAL U125 Series Engines 2. ENGINE BREAK-IN Initial Break-in Procedure The first 20 hours of operation is the engine break-in period. During this period, it is important that the engine is operated as outlined below. 1) DO NOT operate engine at idle rpm for extended periods of time during the first 10 hours.

  • Page 65: Emergency Stop

    INSTALLATION & OPERATION MANUAL U125 Series Engines 3. EMERGENCY STOP • You can stop the engine by pushing this button. After releasing the switch by twisting the button, you can start the engine again. (Normally, the button should be in the “out”...

  • Page 66: Chapter 12 Engine Storage

    INSTALLATION & OPERATION MANUAL U125 Series Engines CHAPTER 12 ENGINE STORAGE The major consideration in preparing your engine for storage is to protect it from rust, corrosion, and damage caused by freezing of trapped water. The following storage procedures should be followed to prepare your engine for out-of-season...

  • Page 67: Winter Storage

    INSTALLATION & OPERATION MANUAL U125 Series Engines WINTER STORAGE Protect your engine from freezing and corrosion damage by following the procedures indicated below. •LUBRICATION SYSTEM • COOLING SYSTEM -. If the seawater system is not filled with an -. Start the engine and allow it to reach normal antifreeze solution as per the instructions operating temperature.

  • Page 68: Chapter 13 Maintenance

    INSTALLATION & OPERATION MANUAL U125 Series Engines CHAPTER 13 MAINTENANCE 1. THE INITIAL RUNNING CHECK - BEFORE THE WATER TEST - ON THE WATER TEST Boat drain plug in place Seawater inlet valve open (Check before putting boat in water)

  • Page 69: Maintenance Schedule

    INSTALLATION & OPERATION MANUAL U125 Series Engines 2.MAINTENANCE SCHEDULE ○ : Check/Clean, ◇ : Check ( Replace if necessary), ● : Replace Which ever comes first Interval Every Every 250 Every 500 Every 1,000 1,500 Daily Hours Hours Hours Hours...

  • Page 70: Sterndrive & Transmission Maintenance Schedule

    INSTALLATION & OPERATION MANUAL U125 Series Engines 3. STERNDRIVE & TRANSMISSION MAINTENANCE SCHEDULE Whichever comes first Maintenance intervals Maintenance 100h / Daily item 1year Check sterndrive unit oil level (Transmission) ● Trim pump oil level ● Steering fluid level ●...

  • Page 71: Maintenance Log

    INSTALLATION & OPERATION MANUAL U125 Series Engines 4. MAINTENANCE LOG DATE MAINTENANCE PERFORMED ENGINE HOURS - 70 -...

  • Page 72: Chapter 14 Troubleshooting Guide

    INSTALLATION & OPERATION MANUAL U125 Series Engines CHAPTER 14 TROUBLESHOOTING GUIDE ■ Starter motor does not crank the engine Possible Causes •Engine stop switch “ON” position •Engine is not shifted to neutral position •Safety Stop Switch activated •Wrong neutral switch connection to EOI •Weak battery or battery connections are loose...
  • Page 73 INSTALLATION & OPERATION MANUAL U125 Series Engines ■ Engine rattling, noisy engine Possible Causes •Compensation of individual injector not •No engine coolant temperature sensor signal adapted •Low compression pressure •Clogged injector return line •No rail pressure sensor signal •Faulty injector •Poor injector O-ring...

  • Page 74: Chapter 15 Warranty

    Warranty coverage is available only to retail customers who purchase from a dealer authorized by Hyundai SeasAll to distribute the product in the country in which the sale occurred, and then only after the Hyundai SeasAll specified pre-delivery inspection process is completed and documented.
  • Page 75 Pump Housing and Oil Pan. • Cylinder Liner or Cylinder Bore scratches are not included in extended major part warranty coverage. Hyundai SeasAll Rating Categories For Marine Auxiliary Engines (Ratings in accordance with ISO 8528 ) Standby Power 1) Operating less than 500 hours per year with average 90% load of the declared Standby Power 2) No overload capability is available for this rating.
  • Page 76 WARRANTY REGISTRATION Warranty Registration Card must be submitted to Hyundai SeasAll within 30 days of the Warranty Starting Date. The Warranty Registration Card identifies information on customer and product, models and serial numbers, date of sale, type of use and the selling dealer etc. If the ‘Warranty Registration Card’...
  • Page 77 U125 Series Engines WHAT HYUNDAI SEASALL WILL DO Hyundai SeasAll will pay for all parts and labor needed to repair the damage to the product resulting from a defect in materials or factory workmanship. The warranty does not apply to any damage or defect that is the result of abnormal use or carelessness.
  • Page 78 INSTALLATION & OPERATION MANUAL U125 Series Engines WHAT IS COVERED Hyundai SeasAll warrants its products to be free of defects in material and workmanship during the warranty period. LIMITATIONS – EXPENDABLE PARTS Not included are the following expendable parts: • Filters : fuel filter, engine oil filter, air filter •...

  • Page 79: Warranty Registration Card

    WARRANTY REGISTRATION CARD Date of sale This card is essential for registration of the customer’s warranty. Month Year Please fill out the following registration card in English. If Warranty Transfer , Check box ■OWNER’S INFORMATION Name or Company E-Mail Address Country State / Province / City Operating Location...

Table of Contents