How to assemble the bracket part of ZJ slurry pump

To assemble the bracket part of the ZJ slurry pump, first remove the dirt in the bracket cover and bracket body oil pool, and wipe the bearing holes clean.

(1) After cleaning the joint surface of the bracket body and the bracket cover, determine the thickness of the added paper pad by ensuring that the top and bottom of the bearing hole conforms to the drawing tolerance and is allowed to be within the range of ±0.015mm (when adjusting the thickness, it must not exceed three-layer pad). Evenly apply sealant on the joint surface of the bracket body, place the pad on the bracket body, and tighten the stud bolts.

(2) Install the M16×1.5 hexagonal screw plug and oil mark in the oil pool, and draw a 0.2 to 0.5 mm horizontal line through the center of the circle on the oil mark plate and apply red paint to indicate the oil level.

(3) Install the oil pool cooler components and water-cooling chamber cover (put a 2mm rubber pad under the cover. Note: some pumps do not have this cover).

(4) Assembly of shaft assembly and bracket

Lift both ends of the spindle, install the spindle assembly into the mating hole of the bracket, lift the bracket cover, apply oil-resistant sealant on the green shell paper on the joint surface of the bracket, and then close the bracket cover. The gap between the inner end face of the bearing box flange and the end face of the bracket is reserved at 3mm. Drive the taper pin and pretighten the bolt.

(5) The front bearing gland is installed with an oil seal, lined with green shell paper, and mounted on the shaft to connect it to the bracket with bolts.

(6) Check the gap size between the rear bearing gland stop and the bearing box stop. You can use the height of the vehicle gland stop, or use padding to ensure a 0.08-0.15 gap between the gland and the shaft. After processing, install the oil seal on the rear bearing gland, cover it with green shell paper, install it on the shaft, and connect it to the bearing box with bolts.

(7) Install the water retaining plate and disassembly ring. When assembling the disassembly ring, a small amount of grease must be added to the bolt hole, and the disassembly ring must press the water retaining plate tightly.

(8) Install the adjusting bolts and set screws on the bearing box.

(9) Install a magnetic dial indicator on the shaft to detect the coaxiality and perpendicularity of the semicircular positioning hole connecting the bracket and the rear pump casing and the end face with the rotation center of the shaft, which must not be greater than 0.25mm.

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