Many people regard the mixer as a tool for making money. They only know how to use it, but they neglect the maintenance. Many problems will inevitably appear in the car after a long time. Today, CIMC Linyu teaches you how to maintain your car and let it play its best role!
(1) Check and find problems and eliminate faults
The mixer truck is most afraid of the tank not turning on the road. The concrete can’t be stopped for more than 2 hours, and the concrete above C40 level can’t be stopped on the road.
After the car starts, let the jar rotate at a low speed, check the tire pressure around the car to see if there is a leaking tire, check if there are stones, nails or the like stuck in the tire, and clean it in time.
Check the side lights to ensure that the tire edges are illuminated, because the construction site will often pile up debris such as steel bars, and the sidewall is the weakest.
(2) Ensure that there is enough water in the water tank, with water reducing agent
For various reasons, the material is too dry. When no water is added and the material cannot be discharged, the water reducer is a life-saving straw, which can ensure the fluidity of the concrete.
(3) Confirm that the mixing tank is in a stopped state
If the jar is in a high-speed rotation state when the engine is started, the instantaneous force will be very large, which will hurt the reducer and the pump motor system.
(4) Special precautions for inspection
Reducer gear oil, hydraulic system (motor, oil pump, radiator) oil for the first time to work 100 hours, then every 1000 hours thereafter (at least once a year).
The radiator, the transmission shaft, the raceway, the tug, the main groove rotating shaft, and the joystick are filled with butter once a month.
(1) Reverse the mixing drum before loading
When the first shift of the vehicle is running, it should be reversed as much as possible, because most of them are parked in the open, and there may be debris such as water and leaves in the tank, which will affect the quality of the concrete if not discharged.
(2) Remember to rinse the feed hopper after loading
Otherwise, the small stones scattered during loading are easy to solidify on the inside and outside of the hopper and the chute, affecting the use and appearance.
(1) Be slow when turning
The mixer has a high center of gravity and is easy to roll over! Decelerate and reduce the gear before entering the corner. Try not to apply the brake when turning. At any time, pay attention to observe whether the jar is rotating through the rearview mirror, and adjust the speed as slow as possible.
(2) Bad low-speed gears pass
In case of uneven roads and potholes, use a suitable low-speed gear to pass, to ensure that the car is full of power. Encounter big pits, stones, steel bars, iron blocks, try to avoid, especially heavy vehicles.
(3) It is better to downshift in advance when going uphill
If it is full, pay attention to start slowly, and pay more attention to uphill. At the same time, it is better to speed up the rotation speed of the tank to prevent concrete from flowing out.
(4) Do not downhill downhill heavy vehicles in neutral
Drive for a long time or downhill before driving into the appropriate gear. Do not slide downhill with heavy vehicles in neutral. When turning downhill, slow down in advance and then downshift and then slow down.
(5) Must pay attention to the height limit
The road conditions on the construction site are complicated. Be careful of trees, etc., especially to prevent scraping the wires.
Into the site
(1) Try to walk in the middle when entering the construction site
Because the road on the construction site is simple and the subgrade is soft, driving near the roadside can easily cause the vehicle to roll over.
(2) Get off in advance to check the reverse route
The mixer truck works at night. After arriving at the construction site, park the vehicle. Get off the vehicle and check the reversing route. Avoid obstacles, pits or relatively soft places. Keep clear of them when you encounter reinforced nails.
(3) Be slow when reversing
Because many roads on the construction site are relatively soft with the excavator, the car is easy to sink.
Start with 1st gear (you can stop the jar at this time, the jar will turn faster when the throttle is in the first gear, and the car will be more unstable), and drive slowly and at a constant speed. The reversing route should be as straight as possible. Do not kill or overshoot the steering wheel when reversing repeatedly, because it is easy to suffocate the flame on the soft road, and the speed is too fast when the throttle is poured out.
(1) Let the mixing tank run at full speed for one or two minutes before unloading
Let the concrete be fully mixed. If necessary, add some water to make the concrete more evenly mixed and facilitate the discharge.
(2) Do not carelessly determine a good relationship with the discharger
It is best to watch by yourself when you unload, so as not to disturb the operation of the unwinding lever. It is best to stop every time the tank is reversing the middle position to protect the reducer, pump motor, etc.
(3) The mixing tank must be rinsed carefully
When washing the jar, be sure to rinse it carefully, and turn the water back and forth twice, and then release it.
(4) Finally, do n’t forget to sign the construction unit
Please sign your name on the construction site and don’t forget to sign the construction unit, otherwise you will do nothing.