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We focus on providing high-quality, long-life and reasonable price products, so we independently created the forklift parts brand "KOVO" and the forklift tire brand "BGO". As the official distributor of Aisin, we have close cooperation with Nikki, KYB, SHIMADZU, AISAN and other famous parts brands to ensure that we provide our customers with first-hand prices. We have extensive contacts and in-depth cooperation with more than 200 forklift parts manufacturers to provide our customers with a variety of choices and the best prices.

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About Us
GUANGZHOU YUANSONG TRADE CO.,LTD is a global trading company located in the largest commodity distribution center in Guangzhou, China. Focusing on the production, sales and service of forklift parts, with a history of more than 23 years and a warehouse of 3700 square meters, Yuansong has its own forklift parts brand "kovo" and provides more than 100,000 forklift parts because they have a wealth of Experience and effective team. COMPANY BUSINESS SCOPE From 1998 to the present, Yuansong has a deep cooperative relationship with many famous forklift parts manufacturers in Japan, the United States, South Korea, Taiwan, Germany and China. After a long-term honest and perfect management, Yuansong has cooperated with Aisin, Nissan, KYB, Shimadzu, Aisan, Bosch, NIKKI, RIK, NPR, SY, Exedy and many other forklift parts brands. It is worth mentioning that the "kovo" brand developed by Yuansong Company is highly recognized by customers for its competitive quality, and it exports more than 200 containers every year. The company's business objects: purchasing agents, distributors, corporate buyers, forklift rental service centers, personal users. We can now provide Toyota forklift parts, Mitsubishi, Komatsu, isuzu/tcm, Yale, Nissan, Yanmar. We will provide services for the following forklift brands and products. Toyota Komatsu Nichiyu Jungheinrich TCM Yale Yanmar Doosan Hyundai Clark Mitsubishi Isuzu Noblelift Hyster Nissan CAT Linde Heli Hangcha Tailifu PRODUCT DISPLAY Aisin-Clutch DISC KOVO-Brake shoe Aisan – Regulator LPG KYB-Hydraulic pump DEVELOPMENT HISTORY Yuansong Forklift Parts Store was established in 1998. With the trust and support of customers, Yuansong has developed into a shareholding company under the brand of "kovo", 5 overseas branches, dozens of cooperative forklift parts brands and hundreds of cooperative companies. the company Compared with a century-old enterprise, we still have a long way to go. We will adhere to the tenet of honest management, put customers first, constantly update products, improve the service system, and provide customers with the best service. HISTORICAL EVENTS In 1998, Yuansong Forklift Parts Store was established In 2006, in response to national requirements, the establishment of export business, set up headquarters in Tianhe District, Guangzhou City In 2007, the brand was founded in Hong Kong office In 2008, signed a general agent contract in China with Aisin of Japan In September 2008, the first overseas branch-Vietnam branch was established. In 2009, Malaysia branch was established In 2012, KOVO's self-developed products were officially launched on the market. In June 2016, established a branch in Russia OUR WAREHOUSE OUR EXHIBITION OUR PAYMENT AND SHIPPING No matter where you are, if you need any forklift accessories, please contact us and we will provide you with them. PLEASE CONTACT US Tel:+ 86-020-82169565 e-mail:sunny@forklift-china.cc(Please send a quotation to this email) fax:+ 86-020-82169565 URL:www.gzsycc.com address:NO.36 Xinshi Road, Junhe Street, Baiyun District, Guangzhou 510440 July facebook:july wang 5070 WhatsApp:+86 17520691733 e-mail:sunny@forklift-china.cc
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  • There is abnormal noise in the diesel engine? There is abnormal noise in the diesel engine?
    2021-08-30admin

    ——There is abnormal noise in the diesel engine? An article teaches you how to troubleshoot the causes of diesel engine failures yourself! Reason 1: The fuel supply advance angle is too large, and there is rhythmic metal percussion in the cylinder Troubleshooting method: adjust the fuel supply advance angle Reason 2: The fuel injection nozzle drips oil and the needle valve is seized, causing a sudden "click, click, click" sound Troubleshooting method: clean, repair, and replace the needle valve assembly Reason 3: The valve clearance is too large, and there is a rhythmic and clean knocking sound Troubleshooting method: adjust valve clearance Reason 4: The piston hits the valve, and there is a heavy and evenly rhythmic knocking sound (lightly place your hand on the cylinder head cover nut to feel the vibration of the piston hitting) Troubleshooting method: appropriately increase the air valve gap, correct the gap of the connecting rod bearing, or replace the connecting rod bushing Reason 5: The piston hits the bottom of the cylinder valve, and a heavy and powerful impact can be heard Troubleshooting method: optional cylinder head gasket Reason 6: The valve spring is broken, the valve push rod is bent, and the valve lifter is worn, causing the valve engine to make a slight knocking sound Troubleshooting method: replace the spring, push rod or tappet, etc. and adjust the valve clearance Reason 7: The abnormal noise caused by the excessive clearance between the piston and the cylinder liner, which is reduced as the diesel engine heats up Troubleshooting method: change cylinder liner and piston according to wear Reason 8: When the connecting rod bearing clearance is too large, when the speed drops suddenly, a heavy and powerful impact can be heard Troubleshooting method: replace the connecting rod bearing Reason 9: The gap between the connecting rod bushing and the piston pin is too large, the sound is slightly sharp, and it is particularly clear when idling Troubleshooting method: replace the connecting rod bearing Reason 10: When the axial clearance of the crankshaft thrust plate is too large, the crankshaft can be heard moving forward and backward at idle speed. Troubleshooting method: replace the crankshaft thrust plate

  • Is the power of the forklift diesel engine insufficient? Is the power of the forklift diesel engine insufficient?
    2021-07-23admin

    ——Is the power of the forklift diesel engine insufficient? An article teaches you how to troubleshoot the causes of diesel engine failures yourself! Failure Analysis of Diesel Engine Power Insufficiency: Reason 1: The filter screen of the diesel filter or the oil inlet pipe joint of the oil transfer pump is blocked Troubleshooting method: clean or replace Reason 2: Insufficient injector pressure or poor atomization Troubleshooting method: check and repair the fuel injector or replace the fuel injector assembly Reason 3: Excessive wear of the precision parts of the fuel injection pump Troubleshooting method: adjust the oil supply or repair the plunger and even parts, the delivery valve and even parts Reason 4: The spring of the governor is deformed and slack, and it does not reach the rated speed Troubleshooting method: adjust the high-speed limit screw and replace the speed-regulating spring Reason 5: Air enters the fuel system Troubleshooting method: Exclude the air in the fuel system Reason 6: Incorrect fuel injection advance angle Troubleshooting method: adjust according to regulations Reason 7: The oil supply of each cylinder is uneven Troubleshooting method: adjust the oil supply of each cylinder Reason 8: The air filter is not smooth Troubleshooting method: clean or replace the filter element Reason 9: air valve leak Troubleshooting method: Check the valve clearance, valve spring elasticity, valve guide wear and valve sealing, and replace parts if necessary. Grinding valve Reason 10: insufficient compression pressure Troubleshooting method: According to the corresponding failure reason and elimination of "Diesel engine can not start" in another article Reason 11: The timing of the gas distribution is wrong Troubleshooting method: excessive cam wear, replace camshaft Reason 12: Injector bolts are loose Troubleshooting method: replace the copper washer, clean the inner hole of the copper sleeve, and evenly tighten the nut of the fuel injector Reason 13: Cylinder head bolts are loose Troubleshooting method: adjust to the specified tightening torque

  • Teach you how to analyze and troubleshoot the cause of forklift diesel engine failure Teach you how to analyze and troubleshoot the cause of forklift diesel engine failure
    2021-06-28admin

    Can't the forklift diesel engine start? After purchasing a forklift, I had to rent a forklift because of a breakdown of the forklift. Obviously there is no need to replace the parts, but because I don't understand it, I spent a lot of money in the repair shop. Are you also troubled by these problems? In order to solve these problems, Guangzhou Yuansong Forklift Parts Trading Co., Ltd. will publish an article once a month from June on how to find the causes of the failure of each part of the forklift. Each forklift user can check and repair his forklift by himself, so that customers can save costs and time. Failure analysis of diesel engine not starting 1. Low startup speed Reason 1: The battery is insufficient or the wiring is loose Reason 2: Motor failure of the starter Troubleshooting method: check the fuel tank and fill it up; check whether the fuel tank valve is open Troubleshooting method: remove air; replace diesel; tighten joints Troubleshooting method: clean the pipeline, replace the filter element of the diesel filter, clean the oil inlet pipe of the oil transfer pump Troubleshooting method: check whether the oil transfer pump inlet pipe is leaking, and check whether the oil transfer pump is faulty Troubleshooting method: disassemble and repair the injector and adjust it on the injector test bench Troubleshooting method: repair or replace parts 3. Insufficient compression pressure Reason 1: The valve clearance is too small Reason 2: Valve leak Reason 3: Air leakage at the cylinder head gasket Reason 4: piston ring wear, bonding, overlapping open position Troubleshooting method: add oil or change oil Troubleshooting method: welding or replacing the oil pipe; tightening the oil pipe joint; replacing the oil pressure gauge Troubleshooting method: repair or replace directly Troubleshooting method: repair or replace directly Troubleshooting method: check the oil passage bolts and plug the leaking position 5. The oil pressure is too high Reason 1: The oil pump pressure limiting valve is not working properly, and the oil return is not smooth Reason 2: The temperature is too low, resulting in high oil viscosity Troubleshooting method: cleaning or dredging 7. The exhaust emits black smoke Reason 1: The injector is blocked by carbon deposits and the needle valve is stuck Reason 2: overloading Reason 3: The fuel injection is too late, and part of the fuel burns during the exhaust process Reason 4: Incorrect valve clearance and poor valve sealing Reason 5: The fuel supply of each cylinder of the fuel injection pump is uneven Reason 6: The intake pipe and air filter are blocked, and the air intake is not smooth Reason 7: oil discharge pressure is too low, poor atomization, oil dripping Reason 8: The cooling water temperature is too low Reason 9: Water in the combustion chamber Troubleshooting method: clean or replace the piston ring 9. Other reasons Reason 1: The temperature is too low, resulting in high oil viscosity Reason 2: There is water in the ...

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