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TUBE 5088127 - Caterpillar

5088127 TUBE Caterpillar parts TUBE
Alternative (cross code) number:
Caterpillar 5088127 TUBE

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Number on catalog scheme: 8
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Table 1
Required Tools    
Part     Description     Quantity    
198-4240     Digital Pressure Indicator     1    
163-0056     Hose Assembly (1)     1    
( 1 ) The hose assembly is not needed for harvester heads that are equipped with Caterpillar pressure taps.
Personal injury or death can result from escaping fluid under pressure.Escaping fluid under pressure, even a very small pin-hole size leak, can penetrate body tissue and cause serious injury and possible death. If fluid is injected into your skin, it must be treated immediately by a doctor familiar with this type of injury.Always use a board or cardboard when checking for a leak.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Prepare the machine for testing and adjusting.Reference: Testing and Adjusting, "Preparation for Troubleshooting"
Ensure that the hydraulic oil in the system is at normal operating temperature. To warm the hydraulic oil, operate the feed rollers for several minutes.
Illustration 1 g00874086
Place the harvester head in the HORIZONTAL position.
Shut off the engine.
Open the cover on the harvester head.
Illustration 2 g00876670
Left ManifoldPressure tap "MM"
If necessary, attach the adapter to the pressure tap (MM) that is located on the left manifold. Attach the 198-4240 Digital Pressure Indicator to the pressure tap or the adapter. Set the pressure indicator to the "PSI" setting. Note: The pressure tap is clearly marked on the left manifold for the minor functions.
Start the engine. Press the operating mode switch in order to activate the working mode (wheel harvesters). Turn the engine speed dial until the engine is operating at 1300 rpm. Make sure that the switch for the controller is in the ON position.
Raise the harvester head approximately 0.9 m (3 ft) above the ground.
Press the button for feed roller arms close on the hand controls. Read the pressure on the pressure indicator. The pressure should be 10000 kPa (1450 psi).
If the pressure for the measuring wheel is correct go to step 14. If the pressure is not correct proceed to step 11.
Illustration 3 g00954939
Left Manifold ( HH500 CWH311-UP Harvester Head) (1) Pressure reducing valve.
Illustration 4 g00876668
Left Manifold ( HH700 Harvester Head) (1) Pressure reducing valve.
Loosen the locknut on pressure reducing valve (1) for the measuring wheel. Turn the adjustment screw clockwise in order to increase the pressure. Turn the adjustment screw counterclockwise in order to decrease the pressure.
Press the button for feed roller arms close on the hand controls. Adjust the pressure until the pressure indicator reads 10000 kPa (1450 psi).
Tighten the locknut on the adjustment screw of pressure reducing valve (1) .
Lower the harvester head to the ground.
Shut off the engine.
Remove the pressure indicator and the hose.
Close and

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