Shanghai Automobile Sales Co., Ltd. Tiancheng era tells you ten heavy truck maintenance bogey three, avoid new liner and piston cylinder is installed without matching the size of the piston sleeve and has a certain tolerance range. If not complete, will make the gap is too big, causing compression inability Shan de tractor, starting difficulties. 4, bogey does not check the piston stroke margin maintenance debugging fuel pump, first check the travel allowance, to determine whether the fuel pump also allows adjustments. Check Shan de tractor monopoly, should use different methods depending on the structure of the fuel pump. Welcome to inquire! Shanghai Automobile Sales Co., Ltd. Tiancheng era tells you heavy truck maintenance matters (four) 4, bogey does not check the piston stroke margin in the satirical plunger injection pump test in heavy truck tractor Shanghai Shantou Deca, a lot of maintenance personnel are not Note Check the plunger stroke margin. The so-called plunger stroke margin refers to the amount of movement of the plunger is a cam on the camshaft after top dead center supremacy, but also to continue upward. Adjusted after the start time of the oil, the reason also check travel allowance, travel allowance because of the plunger and the plunger sleeve wear related. After the plunger and sleeve wear Shanghai Shantou de tractor company, plunger want to start up more exercise period of the oil, so that the supply start time delayed. After adjusting screw or unscrew the switch to adjust the thicker pads, gaskets, piston lowest position on the move, the plunger stroke margin decreases. Therefore, when the fuel pump maintenance, debugging, you should first check this travel allowance, to determine whether the fuel pump also allows adjustments. Checks should be based on different structures using the following different methods of fuel injection pump: a) Turn the camshaft, the supremacy of the plunger top dead center, remove the oil valve and seat, measuring depth vernier. b) After the plunger is top dead center supremacy, using a screwdriver to pry the spring plunger spring seat, the plunger up to the highest point. Then insert the plunger with feeler plane and measured between tappet adjustment bolt. Standard plunger stroke margin of about 1.5mm, the limit of wear after stroke margin should not be less than 0.5mm. Shan de tractor | Shan de tractor Monopoly | Shanghai by Shanghai Tiancheng Tiancheng era era. This information consists of: providing Shanghai Automobile Sales Co., Ltd. Tiancheng era (www.shsdtc.com), we are business alliance member, the integrity of the whole network certification vendor. Feel free to contact us, contact: Mr. Meng