Case CX250C Service Manual
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Case CX250C Service Manual

Crawler excavator
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CX250C
Crawler Excavator
SERVICE MANUAL
Part number 48090344
English
January 2017
© 2017 CNH Industrial Italia S.p.A. All Rights Reserved.

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  • Page 1 CX250C Crawler Excavator SERVICE MANUAL Part number 48090344 English January 2017 © 2017 CNH Industrial Italia S.p.A. All Rights Reserved.
  • Page 2 SERVICE MANUAL CX250C Crawler excavator LC version (TIER 3) - Turkish market 48090344 02/01/2017 Find manuals at https://best-manuals.com...
  • Page 3 Contents INTRODUCTION Engine..................10 [10.001] Engine and crankcase ............. 10.1 [10.102] Pan and covers .
  • Page 4 [35.357] Pilot system ............... . 35.7 [35.355] Hydraulic hand control .
  • Page 5 [55.202] Cold start aid ............... 55.8 [55.010] Fuel injection system .
  • Page 6 [90.100] Engine hood and panels ............90.4 48090344 02/01/2017 Find manuals at https://best-manuals.com...
  • Page 7 48090344 02/01/2017 Find manuals at https://best-manuals.com...
  • Page 8 INTRODUCTION 48090344 02/01/2017 Find manuals at https://best-manuals.com...

  • Page 9: Table Of Contents

    Contents INTRODUCTION Foreword - Important notice regarding equipment servicing ........3 Safety rules .

  • Page 10: Foreword - Important Notice Regarding Equipment Servicing

    In any case, no warranty is given or attributed on the product manufactured or marketed by the manufacturer in case of damages caused by parts and/or components not approved by the manufacturer.

  • Page 11: Safety Rules

    INTRODUCTION Safety rules Personal safety This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible death or injury. Throughout this manual you will find the signal words DANGER, WARNING, and CAUTION followed by special in- structions.

  • Page 12: Safety Rules - General Information

    Service parts Install CASE CONSTRUCTION genuine service parts. When placing an order, check the parts catalog. It contains the CASE CONSTRUCTION genuine part numbers. Any breakdowns arising from the installation of non-genuine parts are not covered by the warranty. Lubricants (fuel, hydraulic oil) Use the oil from the specified company or specified in the operator's manual or service Manual.

  • Page 13: Safety Rules - Personal Safety

    Check the operating methods in a safe location before starting the actual work. Understand the machine operations well, then operate in compliance with all service-related laws and regulations. The operator's manual can be purchased at your CASE CONSTRUCTION dealer. WARNING: Working with sloppy clothes or clothes with which safety cannot be ensured leads to damage to the machine and injury to the operator.
  • Page 14 INTRODUCTION WARNING: Check that there is no one in the surroundings before draining the pressure from hydraulic circuits during machine hydraulic cylinder inspection. WARNING: Use gloves when handling high-temperature parts. WARNING: Bring the lower parts or attachments in contact with the ground before inspecting or repairing them. WARNING: Check that hoses and tubes are securely connected.

  • Page 15: Safety Rules - Cab Protective Structure

    INTRODUCTION Safety rules - Cab protective structure Cab protective structure Modifying the cab main components is prohibited in order to protect the operator. Prohibited items • Modifications that reduce the strength of a platform that has a cab with a protective structure mounted on it. (Actions or modifications that reduce the functionality of the anchoring part at the left-rear of the cab) •...

  • Page 16: Safety Rules - Ecology And The Environment

    Improper disposal of batteries can contaminate the soil, groundwater, and waterways. CASE CONSTRUCTION strongly recommends that you return all used batteries to a CASE CONSTRUCTION dealer, who will dispose of the used batteries or recycle the used batteries properly.

  • Page 17: Torque - Bolt And Nut

    INTRODUCTION Torque - Bolt and nut • Tighten alternating between left and right and top and bottom so that uniform tightening force is applied. LPIL12CX00005EA • If L ® was used on a removed bolt (there is something white sticking to the bolt when it is removed), clean the OCTITE old L ®...

  • Page 18: Torque - Special Torque Settings

    INTRODUCTION Torque - Special torque settings Bolt nominal Retightening location Tightening torque Code Wrench diameter 267 – 312 N·m (196.93 – 230.12 lb ft) Travel motor 24 mm Drive sprocket 267 – 312 N·m (196.93 – 230.12 lb ft) 24 mm Take-up roller 24 mm 267 –...
  • Page 19 INTRODUCTION ZTH99K-001 48090344 02/01/2017...
  • Page 20 INTRODUCTION ZTH99K-002 48090344 02/01/2017...
  • Page 21 INTRODUCTION 0CF469FD 48090344 02/01/2017...

  • Page 22: Basic Instructions - Shop And Assembly

    Only use CNH Original Parts or CASE CONSTRUCTION Original Parts. Only genuine spare parts guarantee the same quality, duration, and safety as original parts, as they are the same parts that are assembled during standard production. Only CNH Original Parts or CASE CONSTRUCTION Original Parts can offer this guarantee.
  • Page 23 W0111A Special tools The special tools that CASE CONSTRUCTION suggests and illustrate in this manual have been specifically re- searched and designed for use with CASE CONSTRUCTION machines. The special tools are essential for reliable repair operations. The special tools are accurately built and rigorously tested to offer efficient and long-lasting oper- ation.

  • Page 24: Hydraulic Contamination

    INTRODUCTION Hydraulic contamination Contamination in the hydraulic system is a major cause of the malfunction of hydraulic components. Contamination is any foreign material in the hydraulic oil. Contamination can enter the hydraulic system in several ways: • When you drain the oil or disconnect any line •...

  • Page 25: General Specification

    INTRODUCTION General specification Engine Water-cooled, 4-cycle diesel, 4-cylinder in line, High pressure common rail system (electric control), Turbocharger with air Type cooled intercooler Model ISUZU GI-4HK1X (SAE J1349, ISO 9249) 132.1 kW (179.606 Hp) ( 2000 RPM) Rated flywheel horse power (ISO 14396) 140 kW (190.347 Hp) ( 2000 RPM)
  • Page 26 INTRODUCTION Fin type Corrugated fin (wavy type) Fin space 2.0 mm (0.0787 in) Filters 105 μm Suction filter 6 μm Return filter 8 μm Pilot line filter Hydraulic controls Boom/Arm/Bucket/Swing Pilot pressure control system (ISO control pattern) Pilot pressure control system Travel SP - mode Work mode select...
  • Page 27 INTRODUCTION Polycarbonate roof hatch & Sun shade Auto air-conditioner Rain deflector Sun visor Top guard OPG level 1 (in CAB structure) Roll - over protective structure (ROPS) Operator's seat KAB 835: Low frequency mechanical suspension with helical springs and double acting hydraulic damper. With following features Manual weight adjustment Backrest angle adjustment...
  • Page 28 INTRODUCTION Overall length (with attachment) 9930 mm (390.945 in) 9980 mm (392.913 in) 9910 mm (390.157 in) Overall height (with attachment) 3150 mm (124.016 in) 3310 mm (130.315 in) 3310 mm (130.315 in) Cab height (to top of head guard) 3000 mm (118.110 in) 3000 mm (118.110 in) 3000 mm (118.110 in)

  • Page 29: General Specification - Main Equipment

    INTRODUCTION General specification - Main equipment Lower component Travel unit Manufacturer KYB Corporation Motor type Variable displacement piston motor Automatic 2-speed switchover with parking brake Intake amount 181.3 cm³/rev (11.06 in³/rev) Operating pressure 34.3 MPa (4975 psi) Operating flow 234.0 l/min (234.0000 US gpm) Brake torque 32700 N·m (24118 lb ft) min.

  • Page 30: Engine

    INTRODUCTION Weight or Quantity Bolt Upper component Swing unit Swing motor assembly Swing motor Manufacturer Kawasaki Heavy Industries, Ltd. Motor type Fixed displacement piston motor With parking brake Intake amount 148.5 cm³/rev (9.06 in³/rev) Operating pressure 28.9 MPa (4191.945 psi) Operating flow 214 l/min (214.000 US gpm) Mechanical brake torque...
  • Page 31 INTRODUCTION Muffler Manufacturer Sankei Giken Kogyo Co., Ltd. Type D 280 x 700 L Maximum displacement 31800 L/min (8400.7 US gpm) Weight 15 kg (33.0693 lb) Air cleaner (double element) Manufacturer Nippon Donaldson, Ltd. Element (outer) Element (inner) Weight 7.5 kg (16.5347 lb) Radiator Manufacturer T.Rad Co., Ltd.
  • Page 32 INTRODUCTION (at boosting) 36.8 MPa (5338 psi) Foot relief set pressure 2.55 MPa (370 psi) Function Straight travel circuit Boom-up/arm 2 pumps internal flow Boom and arm load holding circuit Boom-down regenerative circuit Bucket-close regenerative circuit Arm-in forced regenerative circuit Swing priority variable orifice (for arm operation) 2 pumps flow Variable foot relief...
  • Page 33 INTRODUCTION Remote control valve characteristic diagram Operation remote control valve control dia- gram Ports 1, 3 A. Secondary pressure [MPa (psi)] B. Push rod stroke [mm (in)] C. Operating angle [deg.] Secondary pressure SMIL14CEX0416AB Ports 2, 4 A. Secondary pressure [MPa (psi)] B.
  • Page 34 INTRODUCTION Option remote control valve control diagram A. Secondary pressure [MPa (psi)] B. Operating angle [deg.] Secondary pressure SMIL15CEX1698BB Cushion valve (heat circuit, with shuttle valve) Manufacturer Yanagisawa Seiki MFG. Co., Ltd. Port size G3/8 ( A - P ports) G1/4 ( Q - V ports) Weight 12.5 kg (27.5578 lb)
  • Page 35 INTRODUCTION Boom cylinder Stroke 1335 mm (52.559 in) Weight 201 kg (443.129 lb) Arm cylinder Manufacturer KYB Corporation Cylinder bore ∅ 145 mm (5.512 in) Rod diameter ∅ 105 mm (4.134 in) Maximum retracted length 2240 mm (88.189 in) Stroke 1660 mm (65.354 in) Weight 324 kg (714.298 lb)

  • Page 36: Weight

    INTRODUCTION Weight Divided Weight LPIL12CX00012GB Component name Weight Code Operating weight 25300 kg (55776.952 lb) Upper component (including counterweight and 11600 kg (25573.622 lb) turntable bearing) Counterweight 5420 kg (11949.055 lb) Lower component (with grouser shoe) 8340 kg (18386.553 lb) Main unit weight 20000 kg (44092.452 lb) Attachments...
  • Page 37 INTRODUCTION * Specified amount of water and lubricating oil are included. * The fuel tank is full. Stand alone part weight Component name Weight Travel unit (travel motor + drive sprocket) 329 kg (725.321 lb) Take-up roller 104 kg (229.281 lb) Upper roller 18 kg (39.683 lb) Lower roller...

  • Page 38: Dimension

    INTRODUCTION Dimension Standard arm [ 3.00 m (9.8425 ft)] NOTE: Numbers are subject to change without notice due to design change or other reason. The diagrams give values that include the shoe lug height “a” [ 26 mm (1.024 in)]. 9E597FDB 48090344 02/01/2017...
  • Page 39 INTRODUCTION Short arm [ 2.50 m (8.2021 ft)] NOTE: Numbers are subject to change without notice due to design change or other reason. The diagrams give values that include the shoe lug height “a” [ 26 mm (1.024 in)]. 74B58B2A 48090344 02/01/2017...
  • Page 40 INTRODUCTION Long arm [ 3.50 m (11.4829 ft)] NOTE: Numbers are subject to change without notice due to design change or other reason. The diagrams give values that include the shoe lug height “a” [ 26 mm (1.024 in)]. 42D88841 48090344 02/01/2017...

  • Page 41: Conversion Factors

    INTRODUCTION Conversion factors Unit conversion rate - x → Gravitational unit SI unit ← ÷ - 9.807 4.448 kgf•cm 0.0981 N•m lbf•ft 1.356 N•m lbf•in 0.113 N•m kgf/cm 0.0981 0.1013 lbf/in 0.0069 mm Hg 133.3 in Hg 3386 kgf・m/s 0.00981 lbf•ft/s 0.00136 0.7355...
  • Page 42 INTRODUCTION Inches to millimeters 1/64 0.3969 17/64 6.7469 33/64 13.0969 49/64 19.4469 1/32 0.7938 9/32 7.1438 17/32 13.4938 25/32 19.8438 3/64 1.1906 19/64 7.5406 35/64 13.8906 51/64 20.2406 1/16 1.5875 5/16 7.9375 9/16 14.2875 13/16 20.6375 5/64 1.9844 21/64 8.3344 37/64 14.6844 53/64...
  • Page 43 INTRODUCTION Miles to kilometers miles miles 　 　 　 　 　 　 ---- 1.609 3.219 4.828 6.437 8.047 9.656 11.265 12.875 14.484 ---- 16.093 17.703 19.312 20.921 22.531 24.140 25.750 27.359 28.968 30.578 32.187 33.796 35.406 37.015 38.624 40.234 41.843 43.452 45.062 46.671...
  • Page 44 INTRODUCTION Square centimeters to square inches 　 　 　 　 　 　 ---- 　 0.155 0.310 0.465 0.620 0.775 0.930 1.085 1.240 1.395 ---- 1.550 1.705 1.860 2.015 2.170 2.325 2.480 2.635 2.790 2.945 3.100 3.255 3.410 3.565 3.720 3.875 4.030 4.185 4.340...
  • Page 45 INTRODUCTION Gallons (U.S) to liters U.S- U.S- .gal. .gal. 　 　 　 　 　 　 liters liters liters liters liters liters liters liters liters liters ---- 3.7853 7.5707 11.3560 15.1413 18.9266 22.7120 26.4973 30.2826 34.0680 ---- 37.8533 41.6386 45.4239 49.2093 52.9946 56.7799 60.5653 64.3506 68.1359 71.9213 10 102.203 105.989 109.774...
  • Page 46 INTRODUCTION Gallons (Imp.) to liters Imp- p.g- .gal. 　 　 　 　 　 　 liters liters liters liters liters liters liters liters liters liters ---- 　 4.5455 9.0909 13.6364 18.1818 22.7273 27.2727 31.8182 36.3636 40.9091 ---- 45.4545 50.0000 54.5455 59.0909 63.6364 68.1818 72.7273 77.2727 81.8182 86.3636 10 100.000 104.545 109.090...
  • Page 47 INTRODUCTION Kilograms to pounds 　 　 　 　 　 　 lbs. lbs. lbs. lbs. lbs. lbs. lbs. lbs. lbs. lbs. ---- 2.205 4.409 6.614 8.819 11.023 13.228 15.432 17.637 19.842 ---- 22.046 24.251 26.456 28.660 30.865 33.069 35.274 37.479 39.683 41.888 44.093 46.297...
  • Page 48 INTRODUCTION Pressure Weight pounds/square inch to weight kilograms/square centimeter lbf/in lbf/in (psi) kgf/cm kgf/cm kgf/cm kgf/cm kgf/cm kgf/cm kgf/cm kgf/cm kgf/cm kgf/cm (psi) ---- 　 0.0703 0.1406 0.2109 0.2812 0.3515 0.4218 0.4921 0.5624 0.6327 ---- 0.7030 0.7733 0.8436 0.9139 0.9842 1.0545 1.1248 1.1951...
  • Page 49 INTRODUCTION Kilopascals to weight kilograms/square centimeter 　 　 　 　 　 　 kgf/cm kgf/cm kgf/cm kgf/cm kgf/cm kgf/cm kgf/cm kgf/cm kgf/cm kgf/cm ---- 　 1.020 2.039 3.059 4.079 5.099 6.118 7.138 8.158 9.177 ---- 1000 10.197 11.217 12.237 13.256 14.276 15.296 16.315 17.335...
  • Page 50 INTRODUCTION Weight kilogram meters to Newton meters kgf·m kgf·m 　 　 　 　 　 　 N·m N·m N·m N·m N·m N·m N·m N·m N·m N·m ---- 9.81 19.61 29.42 39.23 49.03 58.84 68.65 78.45 88.26 ---- 98.07 107.87 117.68 127.49 137.29 147.10 156.91...
  • Page 51 INTRODUCTION Temperature Fahrenheit to centigrade °F °C °F °C °F °C °F °C °F °C °F °C °F °C °F °C -51.1 -18.9 13.3 45.6 77.8 142.2 174.4 -17.8 14.4 46.7 78.9 111.1 143.3 175.6 -48.9 -16.7 15.6 47.8 80.0 112.2 144.4 176.7...
  • Page 52 INTRODUCTION Centigrade to fahrenheit °C °F °C °F °C °F °C °F °C °F °C °F °C °F °C °F -58.0 -0.4 57.2 114.8 172.4 230.0 287.6 345.2 -56.2 59.0 116.6 174.2 231.8 289.4 347.0 -54.4 60.8 118.4 176.0 233.6 291.2 348.8 -52.6...

  • Page 53: Consumables

    (5 °F) to 40 °C (104 °F). Refer to the list of fluids and lubricants contained in this manual. NOTICE: When operating the machine in ambient temperatures outside the above mentioned range, consult your CASE CONSTRUCTION Dealer for specific machine provision and for specific fluids and lubricants to be used. CASE CON-...
  • Page 54 INTRODUCTION Engine coolant CASE CONSTRUCTION requires the use of a fully formulated Organic Acid Technology (OAT) based coolant. CASE AKCELA ACTIFULL™ OT EXTENDED LIFE COOLANT is the reference genuine product. NOTICE: Use of different coolant brands is not recommended. NOTICE: Never add Supplemental Coolant Additives (SCA) when using CASE AKCELA ACTIFULL™ OT EXTENDED LIFE COOLANT.
  • Page 55 NOTE: for example, make sure that the receptacle for collecting oil to be replaced is not leaking. Never spread fluids or lubricants on the ground or into water. Consult the CASE CONSTRUCTION Dealer or the Local Environmental Agency in order to obtain information on the correct method of disposing fluids and lubricants used on the machine.

  • Page 56: Abbreviation

    INTRODUCTION Abbreviation Abbreviation Explanation Air-conditioner Analog/digital ABDC After bottom dead center Alternating current Accessories Alternating current generator Actuator American Petroleum Institute Assembly ATDC After top dead center Automatic transmission fluid Drilled hole B Notch hole bolt Eye B Eyebolt Full threaded B Full threaded bolt Hexagon socket head B Hexagon socket head bolt...
  • Page 57 INTRODUCTION Abbreviation Explanation Fuel temperature Forward Generator Ground HBCV Hose burst check valve Hydrocarbons HO2S Heated O2 sensor Time High reach demolition machine Idle air control Suction air temperature Integrated circuit Nameplate, ID plate ID Plate Intake manifold temperature Suction air Injection International Organization for Standardization Intake shutter position...
  • Page 58 INTRODUCTION Abbreviation Explanation Right hand Read-only memory Rail pressure Rear Rearward + Flush head S + Flush head Screw + Phillips pan head S + Phillips pan head Screw + Screw tapping S + Screw tapping Screw Subassembly Society of Automotive Engineers Slow blow fuse Suction control valve Signal...

  • Page 59: Product Identification

    INTRODUCTION Product identification The CX250C LC is a totally hydraulic excavator. It consists of an undercarriage fitted with tracks and a turntable bearing which supports the upperstructure frame. The upperstructure frame supports the attachment, at the front end of the machine, plus the engine, hydraulics and cab. When the operator works the controls, the engine-driven pump delivers hydraulic fluid to the control valves.
  • Page 60 INTRODUCTION ID label The engine ID label is located on the cylinder head cover. F77BYM-002 Structure protection ROPS (Roll Over Pro- tective Structure) Complies with ISO 12117-2. Identification number: 15UUEH-001 Cab protection FOPS (Falling Objects Pro- tective Structure) Complies with ISO 10262 level 2. Product identification number: E4E41FA0 Component serial numbers...

  • Page 61: Product Identification - Machine Orientation

    INTRODUCTION Product identification - Machine orientation The terms "Right-hand", "Left-hand", "Front" and "Rear" are used in this manual to indicate the sides as they are seen from the operator's seat when the cab is over the idler wheels. NOTE: the illustration shows the machine in normal travel position.
  • Page 62 SERVICE MANUAL Engine CX250C Crawler excavator LC version (TIER 3) - Turkish market 48090344 02/01/2017...
  • Page 63 Contents Engine - 10 [10.001] Engine and crankcase ............. . . 10.1 [10.102] Pan and covers .
  • Page 64 Engine - 10 Engine and crankcase - 001 CX250C Crawler excavator LC version (TIER 3) - Turkish market 48090344 02/01/2017 10.1 [10.001] / 1...
  • Page 65 Contents Engine - 10 Engine and crankcase - 001 TECHNICAL DATA Engine General specification ............... 3 FUNCTIONAL DATA Engine Identification .
  • Page 66 Engine - Engine and crankcase Engine - General specification Engine main data Engine model 4HK1 Item Diesel / 4-cycle / water cooling, inline 4 cylinder Type Shape of combustion chamber Direct injection type Cylinder liner type Dry type Cylinder bore x stroke 115 mm (4.528 in) x 125 mm (4.921 in) Displacement 5.193 L (316.89 in³)
  • Page 67 Engine - Engine and crankcase Cooling system main data Item Data Water pump Centrifugal impeller type Pulley ratio 0.850 : Thermostat Wax pellet type 76.5 °C (170 °F) without jiggle valve Valve opening temperature 82 °C (180 °F) with jiggle valve 90 °C (194 °F) without jiggle valve Full-open temperature 95.0 °C (203 °F) with jiggle valve...

  • Page 68: Identification

    Engine - Engine and crankcase Engine - Identification Engine number 023AF579 Engine number stamping 48090344 02/01/2017 10.1 [10.001] / 5...

  • Page 69: External View

    Engine - Engine and crankcase Engine - External view Engine structural diagram 03F011FB 05210A95 48090344 02/01/2017 10.1 [10.001] / 6...
  • Page 70 Engine - Engine and crankcase 1507C342 48090344 02/01/2017 10.1 [10.001] / 7...

  • Page 71: Static Description

    Engine - Engine and crankcase Engine - Static description Engine electronic control The ECM controls the range from injection to intake and exhaust, including the fuel injection quantity, injection timing, intake air restriction, EGR and idling speed. Cylinder block The cylinder block is made of cast iron, with equal center distance for each bore and has high rigidity and the center of the crankshaft matches the center of the block.
  • Page 72 Engine - Engine and crankcase Preheat system The preheat system consists of the ECM, glow relay, glow plug, and glow indicator lamp. The preheat system operates when the engine coolant temperature is low and assists engine starting. Lubricating system A full-flow bypass integrated oil filter is used and the pistons are cooled with the water-cooled oil cooler and oil jets. 48090344 02/01/2017 10.1 [10.001] / 9...

  • Page 73: Prepare

    Engine - Engine and crankcase Engine - Prepare WARNING Escaping fluid! Hydraulic fluid or diesel fuel leaking under pressure can penetrate the skin and cause infection or other injury. To prevent personal injury: Relieve all pressure before disconnecting fluid lines or per- forming work on the hydraulic system.
  • Page 74 Engine - Engine and crankcase Items to prepare: • Wrenches [ 7 mm, 8 mm, 10 mm, 13 mm, 17 mm, 36 mm] • Box wrench [ 24 mm] • Shackle (with the required lifting capacity) x 2 • Wire rope (with the required breaking load) •...

  • Page 75: Remove

    Engine - Engine and crankcase Engine - Remove 1. Turn OFF the battery disconnect switch or disconnect the negative terminal of the battery. • After disconnecting terminals or harnesses, fasten them so that they do not interfere with the frame. Also, cover with a rubber cap to protect against sparks.
  • Page 76 Engine - Engine and crankcase 6. Use a wrench [ 7 mm] to loosen the hose band (1) on the radiator, and then disconnect the upper hose (2). SMIL13CEX1230AB 7. Use a wrench [ 7 mm] to loosen the hose band (1) on the radiator, and then disconnect the lower hose (2).
  • Page 77 Engine - Engine and crankcase 10. Remove the 3 hose bands (1). SMIL13CEX1234AB 11. Prepare a waste oil can (1). • Drain the engine oil before disconnecting the engine oil hose. SMIL13CEX1235AB 12. Use a wrench [ 36 mm] to disconnect the 2 engine oil remote hoses (1).
  • Page 78 Engine - Engine and crankcase 14. Use a wrench to remove the 1 nut (1), and then re- move the starter motor wiring (2). SMIL13CEX1239AB 15. Remove the hose band (1), and then disconnect the fuel hose (2). • Install caps or plugs to the engine and hose to pre- vent any entry of water, dust or dirt.
  • Page 79 Engine - Engine and crankcase 18. Use a wrench [ 13 mm] to remove the hose band (1) from the bracket, and then disconnect the connectors (2). • Wrap the removed connectors in plastic after tying them together. SMIL13CEX1243AB 19. Loosen the hose band (1), and then disconnect the heater hose (2).
  • Page 80 Engine - Engine and crankcase 22. Use a wrench [ 8 mm] to loosen the hose band (1), and then disconnect the air hose (2). • Use caps to cover the lines and hoses to prevent any entry of water, dust or dirt. SMIL13CEX1247AB 23.
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