The mast must not be deformed, and there must be no welding seam desoldering phenomenon. The rolling gap of the inner and outer masts shall not be less than 15mm; the rollers and shafts shall be free of cracks and defects, and the wear of the groove shall not be greater than 10% of the original size.
The tension of the two lifting chains should be even, without distortion, the ends should be firmly connected, the pitch of the chain must exceed 14% of the length, and the sprocket should be flexible in rotation.
The fork frame must not be severely deformed, the surface of the fork must not be cracked, and the welding of each part must not be unsoldered, the fork rotation angle must not be greater than 90 degrees, and the thickness must not be less than 90% of the original size; the height difference between the left and right fork tips must not be Exceeding 93 degrees of the horizontal length of the fork, the fork positioning pin is reliable, the supporting surface and positioning surface of the fork hook must not have obvious defects, and the clearance between the fork and the fork frame. Electric Pallet Truck
The link between the lifting cylinder and the mast should be firm, and the hinged connection of the tilting cylinder and the rest of the mast should be firm and flexible. The matching clearance should not be too large, and the oil cylinder should be well sealed, without cracks, and work smoothly. Under the rated load, the inclination angle is not more than 0.5 degrees, and the lifting speed at full load shall not be lower than the standard value.
