Ranko
R24X Mini Excavator
Operation and
Maintenance
Manual
6450 NE 14th Street, Des Moines, IA 50313
515-635-0079
Page 1: ...Ranko R24X Mini Excavator Operation and Maintenance Manual 6450 NE 14th Street Des Moines IA 50313 515 635 0079...
Page 2: ...rating 7 Chapter Four Transportation and Parking 23 Chapter Five Operate and Control notes 27 Chapter Six Main Structure characters of Ranko excavator 33 Chapter Seven Maintenance and Repair 34 Chapte...
Page 3: ...and on the product If these hazard warnings are neglected injury or death may occur The operation section describes basic operation technique and guides the operator through correct procedures of chec...
Page 4: ...orking properly and in good condition when working at night 7 The driver should pay attention to the safety and comply with traffic regulations 8 Please pay attention to the dash meters and lights Lis...
Page 5: ...the load but still keep below 3 4 of the bucket capacity and continue to operate at a reduced speed 5 Please check adjust and lubricate the parts of the excavator after the break in period At the same...
Page 6: ...load overflow will cause the hydraulic oil to overheat and cause damage to the sealing elements and oil pipes 9 Don t swing before the bucket still on ground It is allowed to process and land formatio...
Page 7: ...0 40 30 5 30 15W 40 20 40 10W 30 25 30 5W 30 30 30 5W 20 40 20 3 The management of other oil This includes engine oil hydraulic oil gear oil etc Do not mix the oil of different types and grades Diffe...
Page 8: ...mply with the safety rules notes etc For instance please ask the person working in the same area to also pay special attention to the the warnings Wear protective clothing Please wear suitable and fit...
Page 9: ...avoid dropping or tipping of the machine Inspection before operation Check over the machine before starting If any problems are found repair them immediately Keep the front window working lights and t...
Page 10: ...re to keep fireworks far away from the machine Please turn off the engine when filling fuel or oil Please tightly screw down lids of diesel and engine oil to keep the oil in the storage period Conside...
Page 11: ...lecting and assembling parts Please use the recommended or appointed parts by Ranko If not it may cause accidents and shorten useful time and performance Ranko is not responsible for injuries accident...
Page 12: ...ay lead to serious injures The warning signal before engine starting Please confirm no person in the working area before starting the engine and then press the horn to warn other people If there is wa...
Page 13: ...ery dangerous to be working on a slope In order to improve stability keep the bucket down close to the ground about 12 16inches Do not turn the body of the machine in the direction horizontal with the...
Page 14: ...eration in dangerous areas The machine may lose balance if on the shoulder of the road or the edge of a cliff In order to draw back quickly during an emergency situation please put the travel motor on...
Page 15: ...t sturdy working platform Notes of operation under the electric wiring above It may cause serious injuries if the machine or the arm touch the wire Please keep enough distance from the machine to the...
Page 16: ...acle back the track Try to avoid holding up traffic if you must park on the road Also put warning marks such as flags or lights to warn people of the parked machine Please operate the machine carefull...
Page 17: ...aintain or repair machine If a tool is damaged or broken do not use Keep the machine clean It is important to keep the machine clean of any excess grease or oil If not it can cause accident or fire at...
Page 18: ...heck the bottom of the machine please keep 90 100 angle between the arm and the boom when jacking up the machine Use the bucket pressing down on the ground to help raise up the machine and then use th...
Page 19: ...se oil cylinders The grease may spray out if the grease fitting is suddenly loosened Please don t loosen the grease fitting suddenly Keep face hands and feet away from the facing place Use special wor...
Page 20: ...d gloves If battery fluid touches the clothes skin or eyes it may cause burning or blindness So please wash your eyes immediately and go see a doctor Avoid battery explosion Battery may produce explos...
Page 21: ...he cathode On this machine there are safety signs posted Please take the appropriate time to locate the position of the safety signs and dangerous contents signs The usage of safety signage Please con...
Page 22: ...t entering the rotatory range Post at both sides of the balance weight Notes of Checkup repairing engine Post it at the engine water tank No fireworks Post it outside of the fuel tank hydraulic oil ta...
Page 23: ...22 Notes of high temperature Post it at the engine water tank and the high temperature part Notes of the action of the working equipment Post it both sides of the dipper...
Page 24: ...ents from top to bottom of the flatbed otherwise it may cause an accident Don t use other joysticks except the travel rod on the slope Pay special attention to the barycenter of the machine up and dow...
Page 25: ...hine After fully parked on to the flat bed please do the following operations 1 Keep the excavator balanced at the rear wheel of the flatbed to keep the machine from moving 2 Turn the upside of the ma...
Page 26: ...arts should be fixed on the flatbed securely Attention Please close the door and windows when parking or the wind and rain may damage the electrical parts such as controller etc 1 The machine should b...
Page 27: ...ing at a slope Attention It is very dangerous to park at a slope Avoid parking at a slope If you have to park at a slope please make the bucket is down on the ground Also put an obstacle behind the tr...
Page 28: ...aulic cylinder to the terminal point carefully If the bucket cylinder and arm hydraulic cylinder have been moved to the terminal point repeatedly it may damage the hydraulic cylinder because of over w...
Page 29: ...ods The machine is designed for excavating and loading therefore please be careful when it is used as a hanger Don t overload the machine use the authorized hang chain but the not bucket teeth Be care...
Page 30: ...ady ground when you operate the rock breaker Please don t let the hydraulic cylinder rod fully extend If you let the rod fully extend it may shorten the life of the machine Please beware of bumping in...
Page 31: ...mething wrong with the pressure reservoir If this happens please stop operation and consult the the Ranko service department Please don t hang objects by the breaker Please comply with the Safety Firs...
Page 32: ...excavating and drawing back at the same time Notes when loading a truck A Please move the machine to the back of the truck when loading in order to avoid touching the operator s cab or any person by t...
Page 33: ...top of the oil tank If you fill the oil to the top of the tank and the outside temperature is rising then the diesel oil may expand and overflow 3 Clean off any soil attached on the crawler assembly...
Page 34: ...these excavators are of high quality and good reliability The integral multi tandem valve system can achieve dual pumps inter flow and also complex actions In addition they contain high quality sealin...
Page 35: ...st over 6 recommended and the antifreeze 65 mixed may cause pulpy settlings and then it may lead to radiator pipe blockage and overheating If the cooling system is dirty engine is overheating or there...
Page 36: ...air filter element is dirty it will not only reduce the engine output power but also increase the fuel consumption and also cause harmful gas discharge If this is true please clean or change filter e...
Page 37: ...he crawler to the bottom of the straight rod The best adjustable moderation should be about 1 5 2inches C Please adjust the tightness of the nuts until the crawler achieved the suitable extent 3 Maint...
Page 38: ...Clean the inside of the air filter body and lift down the lid of the admitting port When you assemble the thin filter element please screw down the aerofoil nut tightly Reassemble the thick filter el...
Page 39: ...n the respirator Engine crankcase Replace engine oil and packed bed filter Initial valve clearance fuel feeding timing Adjust at the first replacing oil normal mainterance the period is 2000 working h...
Page 40: ...ease pay attention to the following items when you check the oil level hydraulic tank at the working temperature Hot oil may cause scalding So if the oil is hot please don t disassemble the oil tank l...
Page 41: ...se check it is worn or burst To keep the belt slipping at minimum please check and adjust the tightness of the leather belt Slipping will reduce the life of the belt it will also damage the water pump...
Page 42: ...ay become larger Also the swing grease lubricant may go to bad It will cause the swing to operate in lower gears and the swing gears may get damaged because of bad grease lubricant 7 Maintenance items...
Page 43: ...let the bucket down the ground when parking the excavator in order to reduce the pressure of the hydraulic system to increase use life 11 Maintenance items of travel reducer and swing reducer A Prepar...
Page 44: ...pressure to the correct extension Oil motor performance decreasing Check and replace Swing bearing damaged replace Train stop not working Adjust pressure of the cushion valve if reducing Adjust the pr...
Page 45: ...ines and the blow vent of the accumulator adjust the pump speed There is air mixed in the oil Screw down the easy leaking joints fill the oil section of the accumulator suitable fully Drain the air fr...
Page 46: ...eration Gear pump parts wearing inner leaking too big Readjust reassemble Hydraulic system unworkable Inner piston of distributor mechanism and pressure valve wearing or locked Replace piston Rotation...
Page 47: ...reducer and then fill 1 2 diesel oil of the total capacity in the swing speed reducer and travel speed reducer Operate back and forth with no load and drain the diesel oil after full cleaning Change a...
Page 48: ...47 Image 3 Oil feeding and draining of swing speed reducer...
Page 49: ...6450 NE 14th Street Des Moines IA 50313 Operation Instruction Manual for Ranko R508L Wheel Loader...
Page 50: ...he working device working device includes boom arm and bucket 3 Please fully pull up the lock joystick before you enter or exit the machine Please lower the bucket down to the ground and shut down the...
Page 51: ...r clockwise to first gear By doing this all electrical circuits are opening and machine is preheating Push the start button and the engine is started Please remove your hand off the key after engine i...
Page 52: ...e direction of your operation So please confirm the direction of dozer blade before you travel the machine Failure to confirm may make the machine travel to opposite direction and cause injury or acci...
Page 53: ...ket dig 4 Bucket dump 1 The machine is using a hydraulic pilot system so work device can be operated only when engine is running If you need the bucket to touch the ground please switch engine to low...
Page 54: ...of working device joysticks in all directions Wait at least 10 minutes to release pressure in the hydraulic circuit Do not ignore any above procedure to avoid danger 6 Do not come close to the machine...
Page 55: ...away from boom deflection range to avoid injury Caution Please do not swing or deflect the machine on slanted road otherwise there might be danger of turnover If you have to do this on a slanted road...
Page 56: ...lade Push the joystick forward to lower dozer blade or pull the joystick backward to lift dozer blade When you are dozing please operate both traveling joysticks One with your left hand and operate th...
Page 57: ...connected to the machine raise upper pad to from and step on right side of foot valve to proceed breaking When using other attachments step on left side of foot valve and hydraulic oil will flow to le...
Page 58: ...e up the safety belt Seat adjustment The seat can slide forward and backwards 1 Pull joystick to right side to move seat backward adjust the seat to the forward position in which you are comfortable a...
Page 59: ...tion press the horn switch and the horn will ring Work lamp front lamp switch When the key is on and in running position press the work lamp front lamp switch then the work lamp front lamp will be tur...
Page 60: ...l level Hour meter Indicate the machine s accumulated running hours Hour meter s count method the number will increase 1 every one hour This is an electrical hour meter so as long as the key is in run...
Page 61: ...ion light will be turned on for warning Put the key to running position the light will be turned on when the engine is running it will display the water temperature Battery indication Battery indicati...
