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Lonking LG20D Manual

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This Manual shall be well kept and thoroughly read by the operator.
•
The contents of this Operation Manual include: correct operation, simple maintenance and
routine inspection.
•
Before operating the forklift, please read this Manual thoroughly, so as to ensure safe and
efficient material handling via correct driving and proper maintenance.
•
The contents of this Manual will be probably different from the actual condition due to
product improvement.
•
When the forklift is rented or transferred, this Manual shall be rented or transferred with
the forklift.
•
When you encounter problems, please contact the Sales Department of our company.
This manual is suitable for the following models of engine series forklifts
produced by our company:
LG20D、LG20DT、 LG25D、LG25DT
LG30D、LG30DT、 LG35D、LG35DT
This manual is the first version., the zeroth amendment.
Information about the signs
hazards
Warning
Caution
Explanation:
PREFACE
PREFACE
PREFACE
PREFACE
Indicate the approaching dangers which will cause death or
severe injuries if not prevented. People should obey the
instructions.
Indicate potential dangers which will cause death or severe
injuries if not prevented. People should obey the instructions.
Indicate potential dangers which will cause mild or moderate
injuries if not prevented. People should obey the instructions.
Words or sentences that are directly or indirectly related to the
personnel safety and the maintenance of the forklift.
developed and

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Summary of Contents for Lonking LG20D

  • Page 1 When you encounter problems, please contact the Sales Department of our company. This manual is suitable for the following models of engine series forklifts developed and produced by our company: LG20D、LG20DT、 LG25D、LG25DT LG30D、LG30DT、 LG35D、LG35DT This manual is the first version., the zeroth amendment. Information about the signs Indicate the approaching dangers which will cause death or severe injuries if not prevented.

  • Page 2: Table Of Contents

    Content Content Content Content Description of the forklifts and their device................. 1 Ⅰ. About safety..........................2 1. Main application of the forklift..................2 2. The operation place and working environment of the forklift.......... 3 3. Safety problems before operation..................4 4. Safety problems during the operation................7 5.

  • Page 3: Description Of The Forklifts And Their Device

    The style of the forklift is designed by the professional company of the vehicle industy. The appearance is novelty, streamline is easy and smooth. The forklift is full of innervation, contains profound cultural deposits of Lonking and creates a new unique style. Several...

  • Page 4: Ⅰ. About Safety

    I. I. I. I. About About About safet safet safety y y y About safet Safety is significant for you, this Chapter will primarily introduce elementary safety regulations and cautions of standard forklift during normal operation, and furthermore, this Chapter is also suitable for the forklift with special mast and attachment.

  • Page 5: The Operation Place And Working Environment Of The Forklift

    Warning Warning Warning Warning 2. 2. 2. 2. The The o o o o peration peration peration place place working working peration place place and and working working environment environment environment of of of of the forklift forklift environment the forklift forklift In case of heavy wind, try not to perform the high lifting operation as possible as...

  • Page 6: Safety Problems Before Operation

    should be reduced to 1.220±0.01. The can operate the forklift. battery is more efficient under the high • The characteristics brake, temperature, so there is no need of other accelerator and hydraulic lever of each maintenance. forklift with same technical parameters will be probably different, Hazards Hazards...
  • Page 7 • The working place shall be provided • Without the written approval of our company, the forklift can't be refitted or with enough light for the safety. increased with any working device, else • When the forklift is operated on the the rated load or the safe operation will platform or shore gangway, the forklift be probably influenced.
  • Page 8 Caution Caution Caution Caution • According to the goods, select the pallet with proper dimension and strength . • Ensure the goods is on the pallet stablly wand has the proper shape. • without the pallet,do not carry the small and bulk goods .

  • Page 9: Safety Problems During The Operation

    4. 4. 4. 4. Safety Safety problems problems during during Safety Safety problems problems during during operation operation operation operation 1) 1) 1) 1) Cautions Cautions Cautions when when forklift forklift startup startup Cautions when when forklift forklift startup startup •...
  • Page 10 it adopts rear-wheel steering, travel speed will be reduced when steering, then rotate the steering wheel to turn the forklift. 3) 3) 3) 3) Do Do not not drive drive drive drive the the machine machine machine machine aggressively. aggressively. aggressively.
  • Page 11 Caution Caution Caution Caution 4) 4) 4) 4) Do operate fork lift when lifting Do not not operate operate operate the the fork fork forklift lift lift when when when lifting lifting lifting • Do not use the fork tip to push, squeeze fork fork or lift goods, when the goods is lifted...
  • Page 12 7) 7) 7) 7) Travel Travel on on on the slope Travel Travel on the slope slope slope Caution Caution Caution Caution • When the forklift is operated to stack goods, the goods must be stacked safely Caution Caution Caution Caution and stably, the distance between forks •...
  • Page 13 forklift will probably roll over. 9) 9) 9) 9) Personnel Personnel Personnel Personnel should should should should not not be be be be on on on on and and under under under under forklift. the forklift. forklift. forklift. Warning Warning Warning Warning •...
  • Page 14 • When the goods are lifted by the fork, Caution Caution Caution Caution the mast can't tilt forward. • The body must be with the gear rack, • When the goods is lifted and lowered, and any part of body can't be outside of the forklift shall be stopped.
  • Page 15 forklift 13) On On and and off off the the forklift forklift forklift Warning Warning Warning Warning • Do not jump on and off .the forklift Chain Chain condition condition 15) Chain Chain condition condition • When getting on and off the forklift, Caution Caution Caution...
  • Page 16 2% of the standard value, the chain Caution Caution Caution Caution should be replaced to ensure loading • When over-length and over-wide goods safety. If the tightness of the whole is transported, pay special attention to chain is not the same, the chain should operating the forklift.
  • Page 17 Parking Parking of of of of the faulty forklift 19) Parking Parking the faulty faulty faulty forklift forklift forklift • Put the direction lever at neutral gear. • Release the parking brake lever. Note Note Note Note • Close the key switch and take off the •...
  • Page 18 to park the forklift on the slope, not only the usual parking procedure should be obeyed, the stop block shall be put at the tire position to prevent forklift from moving. 22 22 22 22）Noises Noises Noises Noises The maximum noise out of the forklift should over 104db.The...

  • Page 19: Safety Problems During Repair And Maintenance

    under the inner mast to prevent the fork 5. 5. 5. 5. Safety Safety Safety Safety problems problems problems problems during during during during repair repair repair repair and and mast falling suddenly. maintenance maintenance maintenance maintenance • The bottom plate and battery box cover 1) 1) 1) 1) Maintenance Maintenance Maintenance...
  • Page 20 5 5 5 5 ) ) ) ) Use jack (when tire tire is is is is replaced) replaced) Use jack jack jack (when (when (when tire tire replaced) replaced) • Contaminate large area: use soda (sodium bicarbonate) neutralize Warning Warning Warning Warning...
  • Page 21 Abnormal condition condition of of of of battery battery 11)Abnormal Abnormal Abnormal condition condition battery battery Caution Caution Caution Caution When the battery has the following condition, please contact the Sales Department of our company. • The battery stinks. • Electrolyte is dirty. •...

  • Page 22: Safety Problems During The Installation, Adjustment And Use Of The Attachment

    operator operates 6. 6. 6. 6. Safety Safety problems during installation, Safety Safety problems problems problems during during during the the installation, installation, installation, attachment of forklift should have the adjustment use of of of of the attachment adjustment adjustment adjustment and and use the attachment...
  • Page 23 Standing under the attachment of forklift and the 1.5m range out of the shadow area of goods is forbidden, to avoid the accident. Without company’s technical permission, any modification for the safety and performance of attachment of forklift is strictly forbidden. Caution Caution Caution...

  • Page 24: Precaution During The Operation

    7. 7. 7. 7. Precautions Precautions Precautions during during operation operation operation of of of of the liquid liquid forklift forklift Precautions during during the the operation the liquid liquid gas gas forklift forklift 1) Precautions when filling the gas a) There are two methods for refilling the fuel for the liquid gas forklift: one method is replacing the gas bomb, the other method is charging the gas into the gas bomb on the forklift directly.
  • Page 25 easily. • It is necessary to adopt the high purity with low composition of the impurity, the moisture and the tar. Especially apply the liquid gas fuel in which propylene content should not higher than 5%. • If the local gas source is not good, be sure to perform the maintenance regularly in order to eliminate the eyewinker and the tar accumulated in the system.
  • Page 26 on the gas bomb. • Do not fill the combustible fluid to the fuel tank of the fuel LPG forklift. After eliminating the oil tank, fill the oil tank with the non-fuel antifreeze materials, then cover the oil tank port. •...

  • Page 27: Label Plate

    8. 8. 8. 8. Label Label Label plate plate Label plate plate The label plate on the vehicle is used to describe the use method and cautions of vehicle, and it's favorable for you and the vehicle, after the label plate is off the vehicle, please paste it immediately.
  • Page 28 3 3 3 3 ）Label Label plate plate of of of of instructions instructions Label Label plate plate instructions instructions 4 4 4 4 ) ) ) ) Forklift Forklift Forklift nameplate nameplate nameplate(Instance，pivots to the forklift） Forklift nameplate...
  • Page 29 5) 5) 5) 5) Lubrication Lubrication Lubrication chart chart label label plate plate plate (Instance) Lubrication chart chart label label plate 6 6 6 6 ）Speed 7 7 7 7 ） Speed Speed shifting position label Speed reversing position label Speed Speed shifting shifting...
  • Page 30 8 8 8 8 ）Safety 11 11 11 11 ） Tire label （ inflated tire ） Safety Safety Safety mark mark mark mark label label label label Tire Tire Tire pressure pressure pressure pressure label label label inflated inflated inflated tire tire tire （instance...
  • Page 31 15 15 15 15）Safety Safety Safety Safety label label label label plate plate plate plate of of of of fan 16 16 16 16）No flush flush label label No flush flush label label 17 17 17 17）N N N N o o o o lift lift lift label...

  • Page 32: Ⅱ. Device Operation And Application Method

    Ⅱ..Device Device Device operation operation application application method method Device operation operation and and application application method method Figure Figure Figure Figure 2.1 2.1 Structure Structure Structure Structure of of of of the the Forklift Forklift Forklift Forklift 1.
  • Page 33 Figure Figure Figure Figure 2.2 2.2 Control Control Control Control of of of of the the Forklift Forklift Forklift Forklift 1. Timer 7. Horn button 13. Tilt handle 14.preheat starting 2. Water temperature gauge 8. Speed change handle switch 15. Steering indicating 3.

  • Page 34: Instrument Part

    1. 1. 1. 1. Instrument Instrument Instrument part part Instrument part part Instruction of functions 1) Fuel gauge When move the start switch to "on" position, the gauge shows the operator the fuel capacity that left in the fuel oil tank. graduate: "E～1/8～1/2～F", "E"represents "empty","F"represents "full". Therein, E～1/8 graduate range is red area.
  • Page 35 7) Right steering indicator 8) Water temperature gauge ·This gauge is used to indicate the temperature of the engine coolant. Under normal conditions, the pointer should be within the normal area( 60℃~75℃~ 110℃）. Caution Caution Caution Caution · If the pointer is within the alarm area （ 110℃~120℃） , the water temperature is higher than 110℃, the buzzer will sound.

  • Page 36: Switch Part

    · oil temperature in the transmission is higher than 120℃, the alarm lamp will be on and the buzzer will sound. 2. 2. 2. 2. Switch Switch part Switch Switch part part part 1 1 1 1 ）Preheat-starting Preheat-starting Preheat-starting switch switch Preheat-starting switch...
  • Page 37 2 2 2 2 ）L L L L ight ight ight ight lamp lamp lamp lamp⑨ T T T T he he he he light light light light switch switch switch switch is is is is a a a a three three three three gear...

  • Page 38: Control Part

    3. 3. 3. 3. Control Control Control part part Control part part sound 3) 3) 3) 3) Steering Steering signal lamp switch lever Steering Steering signal signal signal lamp lamp lamp switch switch switch lever lever lever③ 1) Steering wheel ① When the handle is at the turning position, The steering wheel is operated in a regular steering signal lamp will flashes.
  • Page 39 the tilt angle of the lever, the bigger the slope, do place the wedge under the angle is , the faster the speed is. The engine wheel. speed or the accelerating pedal should be not related to the decline speed of the fork. 5 5 5 5 ）Tilt lever ⑨...
  • Page 40 pedal⑩ and accelerating pedal⑾. The hydraulic drive forklift Forward —reverse lever⑥ mechanical drive forklift The mechanical mechanical mechanical drive drive drive forklift forklift forklift Forward Clutch pedal Clutch Clutch Clutch pedal pedal pedal： Neutral The clutch aims to allow the operator to connect and separate the engine and Reverse...

  • Page 41: Frame Body Part

    Move the lever right, and the seat will be brake action and the machine will go down released. Before operating the machine, as inertia. As the result, the brake effect is regulate the seat and make sure the seat is poor.
  • Page 42 with safety footboard, the safety handle is Warning Warning Warning Warning installed on the left support rod of roof steel grid, the safety footboard and safety • When closing the engine hood, pay handle shall be used to get on and off the attention to not trap the finger inside it.
  • Page 43 fuel tank. If it is stopped, there will be some problems in fuel system. Do inspect whether the condition of the air vent is good when adding fuel every time. Warning Warning Warning Warning —Adding fuel— • Stop the machine, shut down the engine and pull up the parking brake lever.
  • Page 44 the pressure in the water tank, then open the cover. • Do not open the water tank cover when wearing gloves. 15) Lamps • Confirm the working condition of lamps, if the bulb is burnt out, the lamp shade is damaged or dirty, it shall be replaced or repaired immediately.

  • Page 45: Ⅲ. Driving And Operation

    Ⅲ..Driving Driving Driving Driving and and operation operation operation operation In order to maintain favorable performance, safe use and economical running of vehicle, some cautions of correct driving operation will be introduced as follows. 1. 1. 1. 1. Operation Operation Operation Operation of of of of new...

  • Page 46: Load Center And Load Curve

    3. 3. 3. 3. Load Load Load Load center center center center and and load load load load curve curve curve curve The load center is the distance from the front face of fork vertical section to the goods gravity center.

  • Page 47: Before And After The Engine Startup

    Caution Caution Caution Caution • Please use the gangway with sufficient length, width and strength. • Effectively pull up the parking brake of freight vehicle and brake the wheel. • Fix the plate in the middle of the trunk reliably and the gangway shall be free from grease. •...
  • Page 48 Caution Caution Caution Caution • Inspect exhaust condition( concentration and the colour) • After preheating the engine, operate the multi-way valve handle at full travel for 2-3 times. Inspect the working condition.

  • Page 49: Operating The Machine

    7. 7. 7. 7. Operating Operating Operating machine machine Operating the the machine machine 1 1 1 1 ）Posture Posture Posture Posture of of of of the operator operator the operator operator Hold the steering wheel with left hand, and put the right hand on the steering wheel slightly and get ready to load or unload.
  • Page 50 4 4 4 4 ）Speed Speed Speed Speed reduction reduction reduction reduction Release the parking brake lever. mechanical mechanical drive drive forklift forklift The mechanical mechanical drive drive forklift forklift This forklift adopts synchronizing speed device, therefore there is no need of operating the clutch again.

  • Page 51: 8、Loading

    block traffic. not step the accelerating pedal to stop 7 7 7 7 ） Emergency Emergency Emergency repair repair repair of of of of faulty faulty faulty forklift forklift the machine when the torque converter Emergency repair faulty forklift forklift is working, this will result in abnormal Caution Caution...

  • Page 52: Stacking

    • Do not use the fork to tow the good. • All parts of the fork body should not be welded. 9. 9. 9. 9. Stacking Stacking Stacking Stacking Before forklift forklift is is is is operated, operated, Before Before Before the the forklift forklift...

  • Page 53: Un-Stacking

    b. Insert the fork into the pallet completely. Un-stacking Un-stacking Un-stacking Un-stacking The goods shall be un-stacked according to the following procedures: (1) Speed shall reduced when (7) After the fork is inserted into the pallet, approaching the goods. raise the pallet (50~100mm). (2) Park the forklift before the goods (8) Observe surrounding area and drive the (goods are 300mm from the tip).

  • Page 54: Storage

    work or has unsafe factors, the condition shall be reported to the administrator, and repair the forklift until it's recovered to safety condition. 2) Routine storage Park the forklift at the appointed place and block the wheel with wedge block; Storage Storage 11.
  • Page 55 regular maintenance time table is based Remove the foreign material and on that the forklift works for 8 hours water in the hydraulic oil tank; per day and 200 hours per month.. Disassemble the air cylinder cover, Take a detail record after inspection, valve and rocker shaft, inspect keep the record safe.

  • Page 56: Regular Inspection And Maintenance

    1) 1) 1) 1) Leakage Leakage Leakage Leakage inspection inspection inspection inspection of of of of hydraulic hydraulic hydraulic hydraulic oil, oil, oil, oil, Regular Regular Regular Regular inspection inspection inspection inspection fuel fuel fuel fuel oil oil oil oil and and water water water...
  • Page 57 measure the air pressure of the tire. Adjust to the specified value if necessary. Make sure there is no air leakage , then tighten the cap. Check whether the tire and side is damaged or cracked ， and whether the wheel rim is deformed.
  • Page 58 Hazards Hazards Hazards Hazards Do not keep open flame close to the filling fluid of the battery, as the point will produce hydrogen and result in explosion. 7 7 7 7 ）Coolant Coolant Coolant level level inspection inspection Coolant level level inspection inspection Inspect the level of refilling reservoir.
  • Page 59 part of leather belt between water pump and the generator with the thumb. Warning Warning Warning Warning • Shut down the engine when inspect the tightness of the fan belt. 10 10 10 10）Rear Rear Rear Rear combination combination combination combination lamp lamp lamp...
  • Page 60 Check the mounting condition of location pin and whether the fork is deformed or cracked. 16 16 16 16 ） Front Front Front headlamp headlamp front front Front headlamp headlamp front front combination combination lamp lamp combination combination lamp lamp Inspect the lamp shade and the bulb are clean and damaged.
  • Page 61 22 22 22 22）Fuel Fuel Fuel Fuel capacity capacity capacity capacity inspection inspection inspection inspection Fuel gauge is mounted on the instrument panel. Inspect whether the oil capacity is enough for the whole day operation of the forklift. 23 23 23 23）Lamp Lamp Lamp Lamp and...

  • Page 62: 3、Maintenance

    29 29 29 29）Tension Tension Tension Tension test test test test of of of of the the lifting lifting lifting lifting chain chain chain chain After After After After preheating preheating preheating preheating the the engine, engine, engine, engine, check check check check the...
  • Page 63 3 3 3 3 、Maintenance Maintenance Maintenance Maintenance the status of speed reduction for the machine. 1 1 1 1 ） Drain Drain Drain Drain water water water water from from from from oil oil oil oil and and water water water water...

  • Page 64: 4、Regular Maintenance Time Able

    them. • Support the machine to make the wheel leave ground. Take off the nut and take down the tire. • Assembly order of the tire is contrary to the disassembly order. Tighten the hub nuts in the diagonal order. •...
  • Page 65 4 4 4 4 、Regular Regular Regular Regular maintenance maintenance maintenance maintenance time time time time able able able able This schedule is set under the standard working time and operation condition, if the forklift truck is working in the bad condition, the maintenance ("●" indicates replacement) should be done in advance.
  • Page 66 Engine Engine Engine Engine Every 3 Every 6 Each Per month Test item Test content Tool months months year (200h) (8h) (600h) (1200h) (2400h) Visual inspect engine operation ○ ○ ○ ○ ○ status Sound of the engine ○ ○ ○...
  • Page 67 Engine Engine Engine Engine Every 3 Every 6 Each Test Per day Test content Tool month months months year item (8h) (200h) (600h) (1200h) (2400h) Clean the fuel filter (gasoline ○ ○ ● forklift) Replace the fuel filter (gasoline ● ●...
  • Page 68 Drive system Drive Drive Drive system system system Each Every 3 Every 6 Per day Per month year Test content Tool months months Test item (8h) (200h) (2400h (600h) (1200h) Leakage condition ○ ○ ○ ○ ○ Test oil volume or replace oil ○...
  • Page 69 Steering system Steering Steering Steering system system system Each Every 3 Every 6 Test Per day year Test content Tool month months months item (8h) (2400h (200h) (600h) (1200h) Test the gap ○ ○ ○ ○ ○ Test the axial loose condition ○...
  • Page 70 Brake Brake system system Brake Brake system system Every 3 Every 6 Each Test Test content Tool month months months year item (8h) (200h) (600h) (1200h) (2400h) No stroke ○ ○ ○ ○ ○ Pedal travel Ruler ○ ○ ○ ○...
  • Page 71 Lifting Lifting Lifting Lifting system system system system Every 3 Every 6 Each Test item Test content Tool month months months year (8h) (200h) (600h) (1200h) (2400h) Damaged, distortion wearing ○ ○ ○ ○ ○ situation of fork Damaged and wearing situation of ○...
  • Page 72 Lifting Lifting system system Lifting Lifting system system Every 3 Every 6 Test Per day Per month Each year Test content Tool months months item (8h) (200h) (2400h) (600h) (1200h) Whether piston rod, thread connection of piston rod are loose, ○...
  • Page 73 Electri Electric c c c Electri Electri Every 3 Every 6 Each Test Test content Tool month months months year item (8h) (200h) (600h) (1200h) (2400h) Whether the distributor cap is ○ ○ ○ cracked Whether the spark plug is burned or ○...

  • Page 74: 1、Lubrication Chart

    gear rack Check deformation, crack and damage ○ ○ ○ ○ ○ situationn Steering indicating Working and installation situationn ○ ○ ○ ○ ○ lamp Horn Working and installation situationn ○ ○ ○ ○ ○ Lamp and Working and installation situationn ○...

  • Page 75: Ⅴ、Others

    Ⅴ、Others Others Others Others 1 1 1 1 、Lubrication Lubrication Lubrication Lubrication chart chart chart chart...
  • Page 76 2 2 2 2 、Forklift Forklift Forklift oil oil oil Forklift oil Name Trademark, code and operating temperature 93# 或 97# Gasoline Light diesel oil -10# -20# -35# trademark Diesel oil Operating ≥4 ≥-5 -5～-14 -14～-29 temperature（℃） Gasoline Trademark or 5W/30 10W/40 10W/30...
  • Page 77 RECORD RECORD RECORD RECORD...
  • Page 78 RECORD RECORD RECORD RECORD...

This manual is also suitable for:

Lg20dtLg25dLg25dtLg30dLg30dtLg35d ... Show all

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