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Hunan Fan-Tianjin Jin Blower Group-Roof Fan:Tianjin fan , Tianjin blower , Tianjin fan
Emergency shutdown of the fan
During the trial run of the unit, the Hunan fan should immediately stop immediately when one of the following conditions occurs.
1. The operation of emergency stop is to press the stop button of the main motor, and then perform the after-treatment after the stop;
2. The centrifugal fan suddenly experienced strong vibration, and the price of the fan has exceeded the trip value;
3. There are scratches or abnormal friction sounds inside the body;
4. Smoke appears in any bearing or seal, or the temperature of a certain bearing rises sharply to an alarm value;
5. When the oil pressure is lower than the alarm value and cannot be restored to normal;
6. The fuel tank level is low, and the axial flow fan has a suction phenomenon;
7. The axis displacement value obviously increased continuously, when it reached the alarm value;
If the rotary fan fails, please check it carefully and determine the cause of the failure before repairing. The parts that need to be replaced are purchased according to the original fan accessory model.
1.Dismantling methods of rotary fan host
a. Remove the belt cover and belt.
b. Loosen the fixing bolt of the end cover on the side of the fan cover.
c. Screw in the two threaded holes in the end cover and remove the end cover.
d. Remove the V-belt from the shaft.
e. Loosen the fixing bolt of the end cover on the side of the V-belt pulley and remove the end cover. Note: When disassembling the main unit, be careful not to hurt the parts, and the removed parts should be placed carefully.
2. Repair of the rotary fan host
After disassembling the main unit, use fine sandpaper or whetstone to grind the parts where the rotor, cylinder block, end cover, blades, rings and other parts are damaged or rusted, and wash them carefully with cleaning oil (be careful not to hurt the parts). reassemble. Initial burnout, mixed debris, moisture and other failures can be repaired by the above methods. When the bearings, oil seals, etc. are damaged, they need to be replaced. Be sure to replace the O-ring.
3.Assembling methods of rotary fan host
a. Place the end cap with the shaft hole on the assembly table.
b. Put the side of the pulley of the rotor shaft down on the end cover.
c. Install the spring pin into the rotor shaft.
d. Install the blade into the rotor slot.
e. Put on the cylinder block (note that the position of the air outlet is on the side of the rotor near the hole in the cylinder block).
f. Insert the branch ring.
g. Install the bearing.
h. Install the O-ring.
i. Install the other end cover and fix the bolt.
j. Turn the cylinder block over and take off the end cap on the side of the pulley.
k. Put the branch ring.
l Install the bearing and O-ring. m. Install oil seal on the end cap.
n. Install the end cover, place the positioning pins, and tighten all the bolts.
o, stand up the host, put the positioning pin on the other side cover, and tighten all bolts.
p. Pour a small amount of lubricating oil into the air inlet to fix the pulley on the rotating shaft. While turning the pulley by hand, lightly tap the end cover rib with a wooden or rubber hammer to allow the rotor shaft to move flexibly.
Jin Blower Group-the precautions for roof fan installation are as follows:
1. In order to avoid that the position of the fan motor power tube and the fan power connector are not on the same side, measures are taken:
a. Adopting the system installation, the fan manufacturers install one tube on each of the left and right sides of the fan;
b. Specify the left and right entry requirements on the order requirements according to the site conditions when ordering;
c. Some fan terminals have been repositioned and remodeled.
2. The end of the motor power supply must have a waterproof bend. The metal hose is plastic-coated and the length does not exceed 80cm.
3. Fan installation should be performed after the civil foundation leveling is leveled or tiled.
4. A 40x4 grounded flat steel is embedded in the power pipe, and the flexible connection of the metal duct is ≥4mm2 flexible wire or copper braided tape to make the grounding bridge in time.
5. Install a rain cover at the fan mouth, and then install a protective cover (steel mesh).
Fan manufacturers-Hunan Fan-Tianjin Jin Blower Group is provided by Jin Blower Group Co., Ltd. Tianjin Blowers Group Co., Ltd. (fuzzlinks.com) is an enterprise engaged in "fan blower centrifugal fans", adhering to the concept of "integrity management, dedicated service", to provide you with quality products and services. Welcome to inquire! Contact: Mr. Mao.
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