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HOSE AS 5088280 - Caterpillar

5088280 HOSE AS Caterpillar parts HOSE
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Caterpillar 5088280 HOSE AS

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Track (Rubber) - Inspect/Adjust
Periodic adjustment of the track tension is necessary in order to avoid damage to the tracks. Maintaining the tracks at the proper tension will maximize the service life of the undercarriage components. The undercarriage components include the sleeves of the drive sprocket, the rings of the drive sprocket, the wheels, and the track.
Do not overtighten the tracks. Tracks that are too tight can cause premature failure of the tracks. Tracks that are too tight can cause power loss and bearing failures.Tracks that are too loose increase the possibility of the track derailing or the drive lugs mis-feeding on the drive sprocket. In aggressive operating conditions, occasional mis-feeding is normal. If consistent mis-feeding is observed, ensure that the track tension is set to the recommended specification. If the track tension is set to the recommended specification and mis-feeding is still observed, then your application may require a tighter track tension. Increase the track tension until consistent mis-feeding is no longer observed.The intervals for track tension vary depending on the following conditions: the machine application, the operator, the soil conditions, the climate and the condition of the undercarriage components. Operators are responsible for basic visual inspections of the track tension on a daily basis.
Track Adjustment
Illustration 1 g01393224
Place approximately 45 kg (100 lb) between the drive sprocket and the idlers. Place a straight edge across the drive sprocket and idlers. Measure the track sag between the bottom of the straight edge and the top of the track. The track sag should be set at 12 mm (0.5 inch). If the track needs adjustment proceed with the following steps.
Illustration 2 g01393226
Loosen the jam nut (1) .
Turn the adjuster (2) in order to raise or lower the drive sprocket.
Inspect the hoses. Ensure that the hoses are not kinked. If the hoses are kinked, loosen the clamp and move the hoses so that the hoses are not kinked.Note: In order to detension the track for removal, fully lower the drive sprocket.
Illustration 3 g01497493
Note that the rubber track is removed for clarity. (1) Hoses at the frame (2) Fittings on final driveNote: The hoses should not be under tension. The fittings at the drive motor may leak if there is tension on the hoses.
Tighten the jam nut to the following torque 270 40 N m (199 30 lb ft).
Recheck the track tension.
Check the hoses. Ensure that there is no tension in the hoses. Ensure that the hoses are not kinked. Tighten the hose clamps at the frame.Note: Too much slack in the hoses may allow the hoses to contact other components. Not enough slack may strain hose connections at the drive motor.

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