Hyundai Robex 22-7 Operation Manual
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Hyundai Robex 22-7 Operation Manual

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OPERATION MANUAL
SER. NO. HY2270001~

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  • Page 1: Inspections

    OPERATION MANUAL SER. NO. HY2270001~...
  • Page 2 https://marengine.com/r22-7-excavator...
  • Page 3 INTRODUCTION WARNING Read this manual carefully before operating the machine to ensure safe and optimum running conditions. If you do not understand any of the points in the manual, or the machine breaks down, contact your dealer. In particular, attention needs to be paid to the following points. •...
  • Page 4 HOW TO USE THE OPERATION MANUAL Read this manual carefully before operating the machine. This chapter describes the marks in the operation manual. Symbols: DANGER This symbol shows an immediate hazard that will cause death or severe injury if the instruction is not observed. WARNING This symbol shows a hazard that can cause death or severe injury if the instruction is not observed.

  • Page 6: Table Of Contents

    CONTENTS OPERATION Safety Decals ......................1 Basic Precautoins on Safety ................... 3 Safety Precautionary Notes before Start ..............4 Safety Precautions during Operation ..............6 Safety Precautions during Inspection and Maintenance ........15 Safety Post Operational Caution ................18 Part Names ......................19 Explanation of Each Device ..................

  • Page 7: Maintenance After The First 100 Service Hours (New Machine)

    MAINTENANCE AFTER THE FIRST 100 SERVICE HOURS (FOR NEW MACHINE) 1. Replacing the line filter element Line filter Remove the filter with a filter wrench and replace it with new one. IMPORTANT Before replacing the filter, be sure to open the hydraulic oil tank to bleed the filter.

  • Page 8: Maintenance Every 50 Service Hours

    MAINTENANCE EVERY 50 SERVICE HOURS (PERFORM THE MAINTENANCE AT THE SAME TIME IF IT IS CONTAINED IN THE DAILY MAINTENANCE.) Perform the following maintenance after the first 50 service hours. 1. Cleaning the radiator fins Radiator fin Clean the radiator fins using pressurised air and steam.
  • Page 9 MAINTENANCE EVERY 50 SERVICE HOURS 3. Inspecting the specific gravity of the fluid Terminal Measure the specific gravity of the electrolyte. If it is lower than the specified values, recharge the battery. At this time, clean and connect the terminals, and then coat with grease. CAUTION •...

  • Page 10: Maintenance Every 100 Service Hours

    MAINTENANCE EVERY 100 SERVICE HOURS 1. Inspecting and cleaning the air cleaner Clean the dust-cover. Inspect and clean the ele- ment. For details refer to page 65. Air cleaner element WARNING After stopping the engine, clean them. 2. Cleaning the fuel filter element. You can take out the element by removing the filter ring nut.

  • Page 11: Maintenance Every 250 Service Hours

    MAINTENANCE EVERY 250 SERVICE HOURS 1. Replacing engine oil filter cartridge (1) Warm up the engine (for about 10 minutes), as the engine oil should be warm before replacing the cartridge. (2) Remove the drain plug of the oil pan, and drain the oil.

  • Page 12: Maintenance Every 500 Service Hours

    MAINTENANCE EVERY 500 SERVICE HOURS 1. Replacing the fuel filter element You can take out the element by closing the cock and removing the retainer ring. Replace it with new one. CAUTION O ring must be replaced with new one in this time. After replacing the element, bleed air.
  • Page 13 MAINTENANCE EVERY 500 SERVICE HOURS 5. Cleaning the pilot filter Remove the plug from under the floor plate with a wrench(width across flats:27mm) and pull out the element. Clean the element with cleaning oil and remove all dirt. Pilot filter 6.

  • Page 14: Maintenance Every 1000 Service Hours

    MAINTENANCE EVERY 1000 SERVICE HOURS 1. Cleaning the Cooling Water Passage Clean the inside of the radiator and the engine water passage. For details refer to page 66. 2. Replacing the Hydraulic Oil Remove the drain plug and replace all hydraulic oil. Amount of hydraulic oil: 33 Drain plug 3.

  • Page 15: To Pressurize

    TO PRESSURIZE 1. It is necessary to pressurize the hydraulic oil tank in case of the following : (1) When the cover or the plug on the hydraulic oil tank is removed, due to some reason. (2) When the hose is removed from the hydraulic circuit for the repair or check, due to oil leakage or others.
  • Page 16 Figure 2 - 63 -...

  • Page 17: Inspection And Maintenance Procedures For Engine Parts

    INSPECTION AND MAINTENANCE PROCEDURES FOR ENGINE PARTS Air bleeding of fuel system After cleaning the fuel filter or the water sedimentor, replacing the element or using up the fuel, bleed the air in according to the following procedure. (1) Fully fill the fuel tank. (2) Open the cock of water sedimentor.
  • Page 18 INSPECTION AND MAINTENANCE PROCEDURES 1. AIR CLEANER ELEMENT By loosing the air cleaner band, and check the contamination of the element visually. Air cleaner element Inspection The inspection method varies depending on how dirty the element is. (A) If dry dust is adhering to the air cleaner element, blow pressurized air (7kg/cm less) from inside of the air cleaner element to remove it.
  • Page 19 INSPECTION AND MAINTENANCE PROCEDURES 2. THE COOLING WATER Dirt and rust in the water decreases the effective- ness of the cooling system. Replacement (1) Remove the radiator cap and open the drain plug to drain the cooling water. (2) Close the drain plug and fill the radiator with cleaning fluid. (※1). (3) Open the radiator drain plug while feeding fresh water through the radiator cap.
  • Page 20 INSPECTION AND MAINTENANCE PROCEDURES 3. INSPECTING CRAWLER TENSION Unequal tensions of the crawlers may cause the machine to deviate from the travelling path. Make sure the crawlers are equally tensioned. Always adjust the tension of the rubber crawler after the first 10 to 20 service hours.
  • Page 21 INSPECTION AND MAINTENANCE PROCEDURES 4. TRAVELLING MOTOR Use the recommended lubricant for the reduction gear. If a different brand is used, replace all lubricant with new brand. Engine oil SAE30-CD or equivalent is used at the time of shipment First replacement of lubricant 500 Hr Second or following replacement 1000 Hr...

  • Page 22: Periodical Inspections And Maintenance List

    PERIODICAL INSPECTIONS AND MAINTENANCE LIST ○Inspect, Add, Adjust, Grease △Clean ◎Replace Every Period Check First First Every Every Every Every Every 2000 before 1000 Remarks Refer to Item hours start-up hours hours hours hours hours hours hours Inspecting an abnormal exhaust noise from engine...
  • Page 23 PERIODICAL INSPECTIONS AND MAINTENANCE LIST ○Inspect, Add, Adjust, Grease △Clean ◎Replace Check First First Every Every Every Every Every Every Period before 1000 2000 Remarks Refer to Item start-up hours hours hours hours hours hours hours hours Inspecting the bolt and nut for tightness Inspecting...

  • Page 24: Lubricants

    LUBRICANTS Use the oil and grease specified in the table below depending on the seasons. Table of Recommended Lubricants LUBRICANT CASTROL ESSO Engine Oil RX SUPER 10W-30 LUBE MHX 10W-30 Gear Oil EPX 85W-140 GX 85W-140 Hydraulic Oil HYSPIN AWH-M-46 UNIVIS N46 Cup Grease SPHEEROL LEP・2...
  • Page 25 LUBRICANTS Grease Supply Points - Main Frame How to read table Lubricating/ oil filling point Lubricant/ oil amount (lit.) Lubricating interval ... Every hours Hydraulic tank Index number on table ※...See page 71. The daily lubricating point is marked with ◎ and the additional lubricating point is marked with △.
  • Page 26 Doosan-Daewoo Fiat Halla Hamm Ford Hangcha Hanix Grenaa Guascor Hanomag Hartl Hanshin Hatz Haulpack Hiab Hino Honda Hidromek Hino truck Hyundai Isotta Hitachi Hyster Isuzu Iveco Hyundai John-Deere Kelvin Ingersoll-rand Kioti Komatsu John-Deere Kubota Liebherr Jungheinrich Kalmar Lister Lombardini Kato Kioti MAN B&W...

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