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LINES GP- 3729391 - Caterpillar

3729391 LINES GP- Caterpillar parts LINES
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Caterpillar 3729391 LINES GP-

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Unless the equipment is cleaned regularly, extended operation in a dirty environment and in a dusty environment can damage components. Built up mud, dirt, and dust can encase components making maintenance difficult. The buildup can contain corrosive chemicals. Corrosive chemicals and salt can damage some components.Improper Operating Procedures
Extended operation at low idle
Minimum cool down periods after high load factor operation
Operating the engine beyond the guidelines for the engine rating
Operating the engine at loads that are greater than the rated load
Operating the engine at speeds that are greater than the rated speed
Use of the engine for an application that is not approvedImproper Maintenance Practices
Extension of maintenance intervals
Not using recommended fuel, lubricants, and coolantOverhaul Considerations
Some factors that are important for determining the overhaul intervals include the following considerations:
Performance of preventive maintenance
Use of recommended lubricants
Use of recommended coolants
Use of recommended fuels
Proper installation
Operating conditions
Operation within acceptable limits
Engine load
Engine speed
Use of S O S Services Fluids AnalysesThe following conditions may allow an engine to operate longer than the stated overhaul timing:
Engines that are operated at a reduced load and/or speed
Proper operation and maintenance Other factors must also be considered for determining a major overhaul:
The total amount of fuel consumption
The service hours of the engine
An increase of oil consumption
An increase of crankcase blowby
The wear metal analysis of the lube oil
An increase in the levels of noise and vibrationAn increase of wear metals in the lube oil indicates that the bearings and the surfaces that wear may require service. An increase in the levels of noise and vibration indicates that rotating parts require service.Note: An oil analysis may indicate a decrease of wear metals in the lube oil. The cylinder liners may be worn so that polishing of the bore occurs. Also, the increased use of lube oil will dilute the wear metals.Monitor the engine as the engine accumulates service hours. Consult your Cat dealer about scheduling a major overhaul.Note: The driven equipment may also require service when the engine is overhauled. Refer to the literature that is provided by the OEM of the driven equipment.Overhaul Intervals Which are Based on Fuel Consumption and Service Hours
Experience has shown that the interval for an overhaul is most accurately based on fuel consumption. Fuel consumption corresponds more accurately to the engine load.
Table 2
Overhaul Intervals Engine Overhaul Intervals as Calculated by Fuel Usage and Service Hours
Top End Overhaul 1000000 L (264000 US gal) n/a
Major Overhaul 2000000 L (528000 US gal) 530000 L (140000 US gal) or 5000 SH(1)
(1) Use the interval that occurs first to determine the timing of the major overhaul.Overhaul Intervals Which are Based on Oil Consumption
Oil consumption, fuel consumption, and maintenance information can be used to estimate the total operating cost for your Cat engine. Oil consumption can also be used to estimate the required capacity of a makeup oil tank that is suitable for the maintenance intervals.Oil consumption is in proportion to the percentage of the rated engine load. As the percentage of the engine load is increased, the amount of

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