How to maintain automatic spray gun? The working environment of the automatic loading sprayer is very bad, and regular and correct maintenance is very important to ensure the efficiency, reliability, and long working life of the equipment. In order to ensure the normal operation of the equipment, without mistakes in construction, the operator is required to check and maintain the ground before and during construction. Henan Hao Li sprayer manufacturers detailed instructions on the operation and maintenance of the automatic feeding spray gun operation guide, I hope everyone can help.
1. Routine maintenance Check the hydraulic oil level and keep it above the oil level meter 3/4. Otherwise, the same brand of clean hydraulic oil should be added. It is recommended to use a 20ude filtration device to clean the hydraulic oil.
Check the oil quality: Stop and after 30 minutes, use a clean measuring cup to take 0.5L of oil. If the oil is highly contaminated or emulsified, or if it is left to stand for a few hours, there will be sedimentation at the bottom and the oil should be changed immediately.
Take off the tank cover and check the concrete piston. It should be well sealed and no mortar penetrates into the tank.
Check the gap between the cutting ring and the eyeglass plate.
After each use, after thoroughly cleaning, check the condition of the wearing parts. When the local gap between the glasses plate and the cutting ring is greater than 1mm, adjustments should be made. Gaps should be adjusted; when the gap is larger than 2mm, it is recommended to replace the cutting ring.
Check the working condition of the lubrication system. The lubrication point of the S-arm swing arm bearing position and the agitator shaft bearing position overflow. Manual lubrication points should be filled with grease every shift, see product lubrication signs.
Check that the dispensing valve swings and the stirring device is working properly and in reverse.
(Power-on check, after the inspection, shut down. Then perform maintenance work on other items). Check the outside of the cooler and clean it immediately if there is dirt. Otherwise, the oil temperature may overheat.
Check the hydraulic filter vacuum gauge only, it should be in the green area (vacuum is strictly not exceeding 0.04Mpa). General suction vacuum should be less than 0.02Mpa. The return oil pressure vacuum indicates that the value should be less than 0.35Mpa.
Tap the way to check the degree of concrete pipe wear, check whether the pipe joints seal well.
Check the hydraulic system for oil leakage, oil leakage, and water leakage.
Second, the chassis part of the maintenance (1) The engine should be replaced after 50 hours of oil for the first time, while replacing the oil filter and diesel fine filter, and cleaning the diesel primary filter and air filter. Change it every 250 hours. When the oil level is insufficient to be added at ordinary times, the same grade and type of oil that meets the requirements must be used;
(2) When the spray gun is working, check the oil level every 10 hours or every day. If the amount is insufficient, it should be injected in time;
(3) The power transfer case gear oil should be replaced 200 hours after the spraying vehicle is used. The subsequent oil change is performed once every 1,000 hours (or half a year), and the butter in the transfer case bearing is taken. Raise every 1000 hours.
Pumping Part Maintenance (1) Check the oil quality and oil level of the hydraulic oil every 8 hours during the operation of the sprayer. If necessary, add and replace the hydraulic oil. The newly added hydraulic oil must match the oil number in the tank. The hydraulic oil injected by the sprayer at the factory was Esso H46. Generally pump 20,000 cubic meters of concrete or use half a year should be completely replaced once the oil, oil change must be cleaned when the oil tank, and the oil tank of various parts of the oil discharge treatment;
(2) Check the oil level of the lubricant every 8 hours while the sprayer is working. It is recommended to use the 00# non-extreme pressure type semi-fluid lithium grease. When pumping, connect the water tank, the S-tube bearing housing, and the stirring end. There should be oil spillage at the seat;
(3) The sprayer should adjust the gap between the eyeglass plate and the cutting ring after pumping 3000 squares. If it is seriously worn, it must be replaced immediately. Inspection of concrete should be well sealed and no mortar penetrates into the tank;
(4) After spraying the slurry truck for 500 hours, it is necessary to check the position of the S-tube and S-tube bearing wear, and replace the sleeve and sleeve when necessary;
(5) Inspect the suction gauge vacuum gauge indication of the spray gun. If the position of the vacuum gauge pointer reaches the red area (ie more than 0.04Mpa), the filter element must be replaced;
(6) Each system must be checked at startup to check if the system pressure is normal and check the hydraulic system for leaks.
Fourth, the jib top loading maintenance (1) turntable rotating gear reducer gear oil in the first use of the vehicle after the first 100 hours to be replaced, after each oil change at intervals of 1000 hours (or half a year), it is recommended The used grade is Nanhai 85W-90 heavy duty gear oil, and the filling volume is 8 liters;
(2) The lubrication of the boom, the legs of each hinge, the bearing of the rotating ring gear, and the grease at the shaft end of the rotating reduction gear should be checked and oiled every 60 hours. The grease used is 3# calcium grease;
(3) In order to reduce the risk and failure of pumping concrete, it is necessary to use the correct pipe diameter and thickness of the delivery pipe, the correct pipe clamps and safety locks.
(4) In order to make the wear even, so that the life of the delivery tube is longer, you can rotate the delivery tube regularly: about 5,000 square meters for each casting, the straight tube rotates 120 degrees clockwise, and the elbow tube rotates 180 degrees;
(5) Shotcrete should carefully inspect the welds on the turntable, boom, and outrigger after working for a period of time. If the weld cracking occurs, contact with our company immediately for proper handling.
(6) The pumping concrete should be cleaned after the completion of the pumping work; it is forbidden to retain the concrete in the transport pipe;
(7) Special warning: In order to ensure the safety of the equipment, only 4m hoses are allowed at the front end of the sprayer, and no other pipes are allowed to be added.
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