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FILM-IDENTIFICATION 5088401 - Caterpillar

5088401 FILM-IDENTIFICATION Caterpillar parts FILM
Alternative (cross code) number:
Caterpillar 5088401 FILM-IDENTIFICATION
Weight: 0.01 pounds 0 kg.

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Number on catalog scheme: 53
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Illustration 1 g00927062
(1) Steering cylinders (2) Steering metering unit (3) Hydraulic tank and filter (4) Implement and steering pump (5) Check valve (6) Check valve (7) Combination valve (8) Relief valve (9) Check valve (10) Pump (11) Electric Drive
Illustration 2 g00922990
(12) Secondary steering test switch
Illustration 3 g00922724
Rear compartment on left side of machine (13) Battery disconnect switch
Illustration 4 g00922535
Instrument Panel (14) Action light (15) Panel for the indicator lights (16) Warning light (17) Monitoring panelGeneral Test Procedures
Turn battery disconnect switch (13) to the ON position.
Turn the engine start switch to the ON position.Note: The secondary steering system will not function unless both of these switches are in the ON position.
Warning light (16) and action light (14) should flash until the engine is started. Warning light (16) should stay on for three seconds and electric drive (11) should run for three seconds.Note: This three second period is referred to as the three second powerup test.
When warning light (16) is on, the operator should be able to steer with a normal amount of effort.
Start the engine. After the engine is started, warning light (16) turns off and action light (14) turns off.
Turn off the engine. Turn the engine start switch to the ON position. Warning light (16) should flash and action light (14) should also flash. Hold the secondary steering test switch (12) in the TEST position. Electric drive (11) should run. The status light in secondary steering test switch (12) should turn on. The operator should be able to steer with a normal amount of effort.
The seconday steering motor should remain on for no more than two minutes. This time period should be sufficient to safely steer the machine to a stop. After the machine has come to a stop, turn the engine start switch to the OFF position. This will turn off the secondary steering system. Prolonged use of the secondary steering system will cause the secondary steering motor to overheat. Overheating will cause damage to the components of the secondary steering motor.
With the engine at low idle, perform the following steps:
Depress the transmission modulator pedal.
Depress the brake pedal.
Put the transmission direction and speed control in the highest gear.
Release the transmission modulator pedal. This procedure will stall the engine. After the engine has stalled the following conditions will occur:
Warning light (16) flashes.
Action light (14) flashes.
Electric drive (11) starts running.The operator should be able to steer the machine with a normal amount of effort.The following steps should be used to troubleshoot any problems.ProblemThe operator is unable to steer the machine with a normal amount of effort and the following conditions occur:
The engine start switch is in the ON position.
Secondary steering test switch (12) is held in the TEST position.
Electric drive (11) runs.
Pump (10) operates.Probable Cause
Check valve (9) is sticking. Check valve (9) is installed on the combination valve. Check valve (9) should unseat when pump (10) is pumping hydraulic oil. The sticking of check valve (9) inhibits the flow of the hydraulic oil from pump (10) to steering metering unit (2) .Replace check

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