It converts the rotational motion output by the steering gear into a swinging force, which is then transmitted to the tie rod to drive the front wheels to turn left and right. It is the key transmission component connecting the steering gear and the steering tie rod, achieving the power transmission from the driver's steering wheel operation to the wheel steering.
Main body: High-quality alloy forged steel (molded and formed), the spline part undergoes high-frequency quenching for strengthening; the surface is treated with blackening for rust prevention; the ball head pin is made of alloy steel with a wear-resistant bushing, capable of withstanding alternating impact loads.
1. The overall forging process offers high density, excellent impact resistance, and low vulnerability to fracture, making it suitable for heavy trucks operating in harsh conditions such as heavy loads and bumpy terrains.
2. The precise involute spline is perfectly matched with the output shaft of the steering gear, ensuring smooth transmission without any slack or slipping.
3. The ball head assembly's sealed dust-proof structure prevents sand and water from entering the ball head interior, thereby extending its service life.
4. The original factory-sized mold is used for production, ensuring that the installation holes, spline specifications, and other parameters are exactly the same. It can be directly replaced without the need to modify the chassis.
5. It has high fatigue resistance, making it less likely to deform during repeated steering operations in mines, construction sites, and long-distance heavy-load scenarios.
Shacman Pitman Arm Assembly SZ943000701
The problem solved
1. The spline of the original steering arm is worn and loose, causing the steering wheel to have excessive free play and excessive gap between the steering wheel and the steering column, resulting in inaccurate steering.
2. The ball joint is worn and the dust cover is damaged, allowing water and dirt to enter, causing abnormal steering noise and shaking.
3. The old parts have fatigue cracks and deformations, and under heavy load, there is a risk of fracture during turning, leading to the danger of losing control of the direction.
4. The deformation of the steering arm causes the front wheel alignment parameters to deviate, resulting in the vehicle veering and abnormal wear of the tires.
Q: Which truck model does it fit?
A: Fit for Shacman Delong F3000, heavy-duty tractor, dump truck and construction vehicles.
Q: What is the function of pitman arm assembly?
A: It is mounted on the output shaft of power steering gear. It converts rotary motion from steering box into swinging force, transmits power to drag link, to control front wheel steering. It is a key transmission part of steering system.
Q: What material is this pitman arm made of?
A: Forged alloy steel. Spline area is high-frequency quenched for higher hardness. Surface anti-rust blackening treatment. Ball stud adopts alloy steel with wear-resistant bushing.
Q:Installation notes?
A: 1.Align the spline position correctly when installing on steering gear shaft.
2. Tighten the lock nut to specified torque.
3. Check ball joint preload, ensure no excessive play after assembly.
4. Do wheel alignment after replacement.
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