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TUBE A.-OUTLET 7B0078 - Caterpillar

7B0078 TUBE A.-OUTLET Caterpillar parts TUBE
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Caterpillar 7B0078 TUBE A.-OUTLET

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An overloaded truck that is travelling at high ground speeds is the main cause of high FELA. Overloading of the truck is often caused by poor payload control. Payload control involves managing the total payload of the truck. Note: The “Caterpillar 10/10/20 Payload Rule” for off-highway trucks states that no more than 10 percent of the payloads may exceed 1.1 times the truck's maximum target payload. No single payload shall exceed 1.2 times the maximum target payload. The "Payload Distribution Report "of VIMS Supervisor will indicate overload abuse. A good bell curve for Payload Distribution is one that shows that the number of loads that exceed 110 percent of rated payload does not exceed more than 10 percent of the total loads that were hauled. No loads exceed 120 percent of rated payload. Refer to Illustration 1.
Illustration 1 g00727293
The bell curve and target payload weight were added to the illustration in order to clarify the meaning of the terms that are described in the text.
Illustration 2 g00748161Placement Of The Payload
The second key factor that affects the FELA is the proper front to back placement of the load in the body of the truck. CAT trucks are designed for a typical load weight distribution for 33 percent of the GVW to be on the front axle. The typical load weight distribution is 66 percent of the GVW for rear axle. The best way to determine the actual load placement is with a certified scale truck. When a certified scale truck is not accessible, the second best way of determining the actual load placement is with the pressures of the suspension cylinders. Regardless of the method, use the rules-of-thumb that are listed below:
The load should be positioned from the front to the back of the truck's body over the hoist cylinders.
The payload should be centered side-to-side in the truck's body. Incorrect placement of the payload in the truck's body can affect the life of different components. Incorrect placement of the payload includes the situations that are listed below:
The payload is placed too far to the front of the truck's body
The payload is placed too far to the rear of the truck's body
The payload is placed off center of the truck's body This may also contribute to inaccurate payload measurements. Later trucks use a center of load arrow that is mounted on the side of the truck's body. Older trucks may also be retrofitted with the center of load marker.
Illustration 3 g00670357
The 175-2624 Center of Load Markers are available via MSO through the machine order system. For information on proper placement of the marker on the truck's body, contact Decatur CMT Product Support. Product Support will need the information that is listed here: the serial number of the truck, the part number of the truck body, the sequence number of the truck body and information on modifications that have been made to the body (such as side board or tail extensions).
(1) Center of Load Marker Payload Bias

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