DCA-125SSJU SERIES —TRAILER MAINTENANCE

Tires/Wheels/Lug Nuts

Tires and wheels are a very important and critical components of the trailer. When specifying or replacing the trailer wheels it is important the wheels, tires, and axle are properly matched.

CAUTION:

DO NOT attempt to repair or modify a wheel. DO NOT install in inner

tube to correct a leak through the rim. If the rim is cracked, the air pressure in the inner tube may cause pieces of the rim to explode (break off) with great force and cause serious eye or bodily injury.

Tire Wear/Inflation

Tire inflation pressure is the most important factor in tire life. Pressure should be checked cold before operation DO NOT bleed air from tires when they are hot!. Check inflation pressure weekly during use to insure the maximum tire life and tread wear.

Table 16 (Tire Wear Troubleshooting) will help pinpoint the causes and solutions of tire wear problems.

TABLE 16. TIRE WEAR TROUBLESHOOTING

 

 

 

WEAR PATTERN

CAUSE

SOLUTION

 

 

 

 

 

 

 

 

Over Inflation.

Adjust pressure to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Center Wear

particular load per tire

 

 

 

 

 

 

 

 

 

manufacturer.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Adjust pressure to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Edge Wear

Under Inflation.

particular load per tire

 

 

 

 

 

 

 

 

 

manufacturer.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Side Wear

Loss of camber

Make sure load does

 

 

 

 

 

 

 

 

 

 

 

 

 

 

not exceed axle rating.

 

 

 

 

 

 

 

or overloading.

 

 

 

 

 

 

 

 

Align wheels.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Toe Wear

Incorrect toe-in.

Align wheels.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cupping

Out-of-balance.

Check bearing adjustment

 

 

 

 

 

 

 

 

 

 

 

 

 

 

and balance tires.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Flat Spots

Wheel lockup &

Avoid sudden stops when

 

 

 

 

 

 

 

 

 

 

 

 

 

 

tire skidding.

possible and adjust brakes.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Suspension

The leaf suspension springs and associated components (Figure 77) should be visually inspected every 6,000 miles for signs of excessive wear, elongation of bolt holes, and loosening of fasteners. Replace all damaged parts (suspension) immediately. Torqued suspension components as detailed in Table 17.

Figure 77. Major Suspension Components

Table 17. Suspension Torque Requirements

Item

Torque (Ft.-Lbs.)

 

 

3/8" U-BOLT

MIN-30 MAX-35

 

 

7/16" U-BOLT

MIN-45 MAX-60

 

 

1/2" U-BOLT

MIN-45 MAX-60

 

 

SHACKLE BOLT

SNUG FIT ONLY. PARTS MUST ROTATE FREELY.

SPRING EYE BOLT

LOCKING NUTS OR COTTER PINS ARE PROVIDED

 

TO RETAIN NUT-BOLT ASSEMBLY.

 

 

SHOULDER TYPE

MIN-30 MAX-50

SHACKLE BOLT

 

 

 

CAUTION:

ALWAYS wear safety glasses when removing or installing force fitted parts. Failure to comply may result in serious injury.

DCA-125SSJU SERIES (STANDARD)— PARTS AND OPERATION MANUAL— REV. #4 (06/03/03) — PAGE 51

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Multiquip manual DCA-125SSJU Series -TRAILER Maintenance, Tires/Wheels/Lug Nuts, Tire Wear/Inflation, Suspension
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DCA-125SSJU specifications

The Multiquip DCA-125SSJU is a robust and reliable diesel generator that stands out in the construction and rental markets. Designed to provide consistent power, this generator is ideal for various applications ranging from industrial construction sites to outdoor events. The DCA-125SSJU boasts a powerful 125 kVA output, making it suitable for both small and large power needs.

One of the prominent features of the DCA-125SSJU is its advanced engine technology. It is powered by a reliable and fuel-efficient Yanmar diesel engine. This engine not only ensures longevity but also optimizes fuel consumption, allowing operators to save on running costs without compromising performance. With a robust design, the Yanmar engine guarantees excellent cold start capability, making it dependable even under challenging weather conditions.

The generator's sound attenuation is also noteworthy. Encased in a sound-attenuated enclosure, the DCA-125SSJU operates at a noise level that makes it suitable for use in residential areas or environments with strict noise regulations. This feature enhances the generator's versatility, as it can be employed in various settings without disturbing nearby activities.

Multiquip has incorporated several safety features into the DCA-125SSJU, including automatic shutdown systems that activate in the event of low oil pressure or overheating. This proactive approach helps safeguard the engine and prolongs its lifespan. Additionally, the generator is equipped with a heavy-duty, weatherproof frame, ensuring durability and protection against the elements.

User-friendly control features make the DCA-125SSJU easy to operate. The generator includes an intuitive digital control panel that provides essential information such as voltage output, frequency, and run time. This accessibility allows operators to monitor performance and adjust settings as necessary.

Portability is another significant advantage of the DCA-125SSJU. With easily transportable dimensions, it can be efficiently moved to various job sites. Its sturdy wheels and lifting points further enhance mobility, making it a practical solution for temporary power needs.

In summary, the Multiquip DCA-125SSJU is a high-performance diesel generator, combining power, efficiency, and portability with advanced technology and user-friendly features. Its reliability and versatility make it an excellent choice for contractors, event organizers, and anyone in need of dependable power supply. Whether facing the demands of a construction site or hosting an outdoor function, the DCA-125SSJU ensures you’ll never be left in the dark.
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