Wholesale Quality 2000lbs TR1819 Side Wind Trailer Jack

2000-pound trailer jack
The function of the semi-trailer legs is to support the ground when the tractor and trailer are uncoupled, bear the load on the front half of the semi-trailer, and rotate the crank to raise the support device in two gears: fast gear and slow gear. When unloaded, it is in high gear; when overloaded, it is in low gear.

Maintenance of Trailers
1. Daily maintenance
(1) After each operation, the trailer body and chassis should be cleaned in a timely manner.
(2) Check if all safety devices and light pens are reliable.
(3) Check whether the steel plate springs and U-bolts on the front and rear axles of the trailer are loose, displaced, cracked, or broken.
(4) Check the inflation condition of the tires and inflate them according to regulations, with an error not exceeding ± 0.5kg/cm ²。 In addition, check the tightness of the nuts on each wheel.
2. Trailers should undergo the following maintenance every 600 to 800 kilometers traveled:
(1) Check the steel plate springs, bushings, and pins. If the wear of the steel plate spring pin exceeds 1.5mm, it indicates that the gap between the plug and the bushing is too large and should be replaced.
(2) According to regulations, lubricate each part, check the clearance of each hub bearing, adjust if necessary, and add calcium-based grease.
(3) Check if there are cracks in the welding points of the frame and if the connecting bolts are loose, and check the sealing of the braking system and the vehicle's primary brake control mechanism.
When driving a trailer for 3000-4000 kilometers, in addition to the above maintenance, the following care should also be carried out:
(1) Clean and adjust the hub bearings, and add lubricating grease; Clean and inspect the wear of the spring steel plate, and make necessary repairs or replacements; To change the bearing clearance, first tighten the adjusting nut to the end, then retract it by 1/6 turn, and then pull it.
(2) Check and adjust the brake, and repair or replace it based on the wear of the brake drum. The brake cannot be changed too tightly. When the unit is driving at a speed of 18km/h, the wheel brake mark should be 4-5m.
(3) Check the traction frame, main frame, axles, and other components for bending, deformation, and cracks, and repair them if necessary.

FAQ
1. What is the production process?

A: Production process including raw material cutting, machine processing, grinding, accessories cleaning, assembly, cleaning, stoving, oil coating, cover pressing, testing, and packaging.

2. How to control the product's quality?

A: Combining advanced equipment and strict management, we provide a high standard and quality slewing drive for our customers worldwide.
3: How long is your delivery time?
A: If there is stock, it is within seven days; if there is no stock, it is 25-45 days, depending on the quantity.

4. Are you a trading company or a manufacturer?

A: We have our factory with 20 years of experience in slewing drive; our type is factory + trade.

5: What are your terms of payment?

A: Stocks goods,100% prepaid. If goods need to produce,30% prepaid and the balance paid before shipment. For big orders over 50000 USD, we can accept L/C At sight.

6. What is your MOQ?

A: For standard type, no MOQ. To produce goods, we need according toTrailer Jack.

7. What is transportation?
A: Small quantity, by express, such as DHL, UPS, TNT, FEDEX. If large quantity, by sea or air.

8. Can you provide OEM service?
A: Yes, we provide OEM service, do as your size, packing, and other requirements.