Technical Bulletin

Bulletin No.: PRO-30-01

Effective Date: 7/1/89

Cancels: N/A

Page: 1 of 1

Subject: C-300N/C-500N P.S. Gear Valve Nut Leakage

It has come to our attention, through a number of field reports, that some C-300N and C-500N power steering gears exhibit leakage past the threaded interface between the valve body and nut.

Leakage in this area can be visually noted without removal of any parts and will appear early in the service life of the power steering gear; generally under 5,000 miles. The intensity of leakage will vary from a barely detectable “weep” to as much as 10 drops per minute. The leakage described is from the oil return (low pressure) side of the power steering gear.

Depending upon accessibility, the leakage can be repaired without removing the gear from the truck, using seal maintenance kit 254059. Spanner wrench, P/N 106234, and sealant kit, P/N 107762, will be required to follow the procedure described in the maintenance kit. Spanner wrench P/N 106234 can be ordered from OTC Tool & Equipment Company by calling 1-800-533-5338. The sealant kit P/N 107762 contains enough primer and sealant to service a number of gears and need not be obtained on a one for one basis for each seal maintenance kit P/N 254059.

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BENDIX TCH-030-001 manual Technical Bulletin, Subject C-300N/C-500N P.S. Gear Valve Nut Leakage
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TCH-030-001 specifications

The BENDIX TCH-030-001 is a state-of-the-art brake control valve widely recognized for its advanced features and reliability in the commercial vehicle sector. Designed for heavy-duty applications, this valve is integral to ensuring optimal brake performance and safety in various vehicular systems.

One of the primary features of the TCH-030-001 is its ability to modulate brake pressure effectively. The valve employs a unique technology that allows for precise control of air pressure delivered to the brake chambers, ensuring a smooth and responsive braking experience. This modulation is crucial, especially in heavy trucks and trailers, allowing for increased stopping power without compromising vehicle stability.

The TCH-030-001 incorporates cutting-edge diagnostics technology that enhances its functionality. This feature enables operators to monitor the performance of the braking system in real-time, allowing for immediate identification of potential issues. Having such diagnostic capabilities significantly reduces downtime, as maintenance teams can focus their efforts on preemptively addressing any arising problems.

In terms of construction, the BENDIX TCH-030-001 is built to withstand the rigors of heavy vehicle use. It features robust materials that are resistant to wear and corrosion, ensuring longevity and reliability even in the harshest operating conditions. The valve's design also emphasizes ease of installation and serviceability, which is critical for fleet operators looking to minimize repair times.

The technology behind the TCH-030-001 further enhances safety by integrating fail-safe mechanisms. This ensures that in the event of a system failure, the brakes remain operational, providing essential safety for drivers and others on the road.

Another notable characteristic of the BENDIX TCH-030-001 is its compatibility with various braking systems, making it a versatile solution for a wide range of commercial vehicles. This adaptability allows fleet operators to standardize components across their fleets, simplifying maintenance and improving overall efficiency.

In summary, the BENDIX TCH-030-001 valve stands out for its advanced modulation capabilities, real-time diagnostics, durable construction, fail-safe technology, and compatibility with multiple braking systems. These features make it a reliable choice in the competitive landscape of commercial vehicle brake control solutions, contributing significantly to improving safety and performance on the road.
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