Maintenance and repair

Concrete mixer truck as transport vehicles, maintenance and repair must comply with Department of Transportation regulations Decree No. 13 of 1990, the implementation of "periodic testing, mandatory maintenance, repair, as appropriate," the maintenance system. Under this premise, combined with the actual situation of concrete mixer truck, to do maintenance and repair. In routine maintenance, concrete mixer truck should be conventional except for automobile engines, chassis and other parts for maintenance, you must do the following maintenance work.

Wash

Since the concrete in a short time solidified into a lump, and the steel and the paint has some corrosion, so concrete tank after each use, wash tank attached to the concrete and the concrete is expected out daily maintenance must carried out serious work. These include: a. Rinse with water before each charging inlet, the feed port remains wet when charging; b. While in charge of the vehicle carrying the clean water tank filled with water; c. After loading washing feed, wash near the inlet remaining concrete; d. To the site after discharge, wash out new mini mobile concrete batch plant manufacturer the tank, then into the concrete tank cleaning water plus 3

Concrete mixer truck

0-40 L; keeping concrete tank at the time of the return of the vehicle forward slowly rotating; e. Remember to let go before the next charging concrete sewage in the tank; f. Thoroughly cleaning the surrounding concrete finishing work each day and expected out of the tank, to ensure that non-stick cement and concrete caking. These work as long as one does not seriously, it will bring a lot of trouble for future work.

Maintenance Concrete mixer truck sales maintenance

A: reasonably determine the protection period. Automotive protection cycle is protected from the car mileage or time. Owners in the practical application process, should refer automobile factory referrals protection period, contact the car situation and use their skills premise of the protection period is properly adjusted. Generally speaking, the new car at an excellent premise application traffic without protection too often, in order to protect the rule as an upper limit cycle manufacturers can; and automotive skills situation worse, or use bad premise, protection should be appropriate to shorten the cycle. Two: full use of free testing. Concrete mixer manufacturer expand free testing exercise on the length often beneficial owners, the owner can apply these to detect motion like cars specifically for medical, real-time to identify and eliminate some of the potential problems, and then eliminating the future is able to render high maintenance protection costs. Three: less crash repair assembly as possible. Many concrete mixer master have this feeling, like a car crash repair after assembly rampant tidy, premature entry into service of the vehicle. This scene showing the assembly of skills and quality parts, etc. The primary reasons touched repair workers. Therefore, it is best to prevent the collapse of the maintenance cartridge, advanced skills in all kinds of protective equipment and tactics, to avoid demolition car protected to prevent to the car assembly and parts to be formed without damage, improve the quality of protection and reduce maintenance Total cost

Drive means

The driving means is driven to rotate concrete tank, which consists of power take off, cardan shaft, hydraulic pumps, hydraulic motors, control valves, hydraulic tank and cooling device. If this section due to failure to stop working, concrete tank will not rotate, which causes the car scrap concrete, serious and even cause the entire tank of concrete condensation in the tank, causing the concrete mixer truck scrapped. Therefore, whether the drive is in use must be highly reliable and important issue. To ensure that the drive sound and reliable maintenance work should do the following: a. Universal rotating part is failure-prone parts when lubrication should be, and frequently check the wear, timely repair, replacement. The team should alternate universal shaft assembly, in order to ensure the new mini mobile concrete batch plant china manufacturer event of failure to resume work in a few of minutes. b. Ensure that the hydraulic oil clean. Concrete mixing truck harsh working environment, it must prevent water and sediment from entering the hydraulic system. Manual hydraulic oil according to require periodic replacement. Once the inspection found that the hydraulic oil mixed with water or sand, wash the hydraulic system must be shut down immediately, replace the hydraulic oil. c. Ensure effective hydraulic oil cooling system. To regularly clean up the hydraulic oil cooler, to avoid clogging the radiator cement, checking electric radiator fan is functioning properly, prevent the hydraulic oil temperature exceeded. Hydraulic part as long as the hydraulic oil clean, the general failure is small; but produced by different manufacturers, life is not the same.

Description With

First, the basic configuration of the concrete mixer Concrete mixer mainly by the chassis, the mixing tube, drive (the drive), hydraulic drive system, water system, installed (into) materials and material unloading system, discharge chute, platform, operating system and protective equipment. Tilt angle: 15 degrees Rotational speed (r / min): 0 ~ 14 Concrete Slump (mm): 70-260 Direction of rotation: Clockwise feed, counterclockwise discharge Barrel material: high carbon steel 5-6mm Blade: 4.5mm double helical blades Discharge capacity: cone sinking 5cm / h Uninstall remaining amount: <1% cone sink 5cm / h Second, the concrete mixer System Description Mixing tube: the mixing tube used in the form of the model is a more general structural form, the mixing tube using the pear-shaped structure, the cleaning water and transportation as needed adding the mixing water, by the head into the mixing tube injection barrel at the discharge port. Transmission: The mixing tube-driven approach to the engine as the power source, the rear end of the engine PTO PTO, passing through the shaft to the variable piston pump, the quantitative plunger motor oil, was stirred by the reducer drive drum rotation. Mixing tube feeding and discharging system (loading and unloading mechanism): the auxiliary mixing tube is an important means to work. Operating system: the whole mixer control components, has opened a "SHAPE" slot on the control panel, the joystick space; and open slots on the back half of a finite bit holes for fixing the position of the joystick. The control system through the left rear of the car two joysticks to control the mixing tube, reverse and speed, so to finish out of the material, and the stirring action. Water supply system: concrete mixer of the water supply system is mainly used to clean the mixing device. The model of the water supply system has two types, one is the centrifugal pump water supply system; one is the pressure tank water supply system for the user option. Third, concrete mixers Caution 1, the hydraulic system pressure should comply with the instructions for use, and shall not be adjusted. Hydraulic oil and fuel oil should comply with the original requirements. 2, before loading concrete mixers, you should drain the remaining water and mix barrel debris. During transport to keep the rotation to prevent concrete segregation. Before concrete mixer truck access to the site and unloading, should make full mixing drum to 14-18 rev / min rotation for 1-2 minutes, then invert discharge. Before reversing, should be parked mixing tube does not rotate. 3, the ambient temperature is above +25 degrees Celsius, from the loading, transport, the discharge duration shall not exceed 60 minutes, the ambient temperature is below +25 degrees Celsius, the above time shall not exceed 90 minutes. 4, winter construction, should be fully implemented: start before checking whether the ice; work when the barrel and mix carefully exclude residual water supply system, turn off the pump switch, the lever is placed in the "stop" position. 5, after the completion of the construction site discharge, immediately rinse with a hose mixer comes into the hopper, the hopper, discharge chute, etc., remove adhered to throughout the body sludge and concrete. new mini mobile concrete batch plant for sale On the way back mixing station, should be stirred cylinder injection 150 --- 200L water to clean the cylinder wall and the blade bonded concrete residue. 6, every day after work, drivers should be accountable to the cylinder into the water and stirring speed (14-18 rev / min) rotation for 5-10 minutes, then drain the water, in order to ensure the barrel clean. When using high-pressure water cleaning various parts of the mixing tube, it should pay attention to avoid instrumentation and joysticks and other parts. Distance pressure water nozzle and body paint surfaces shall not be less than 40 cm. 7, cleared the contamination inside and outside the mixing tube and concrete clinker remaining, as well as into the barrel when the machine repair personnel for maintenance and welding work, you must first turn off your vehicle engine, so that the mixing tube to a complete stop. In machine repair personnel work into the barrel during the barrel must ensure mixing ventilation, fresh air, no natural gas and hazardous dust, adequate oxygen supply (do not use oxygen). When using a power tool cylinder operation, the operator must have good insulation. 8, at work and can not reach into the rotating mixing cylinder, non-White put his hand extended discharge chute and the connecting portion of the discharge chute, to avoid accidents. 9, stirring blades should be checked regularly for wear and timely repair and renewal. 10, to implement the relevant safety practices. Concrete mixer truck drivers are required to undergo professional training, no certificate shall not post operation.

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