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ENGINE AR-PRIMARY 3905146 - Caterpillar



3905146 ENGINE AR-PRIMARY Caterpillar parts C6.6 ENGINE
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Alternative (cross code) number:
CA3905146
390-5146
3905146
Caterpillar 3905146 ENGINE AR-PRIMARY

Buy ENGINE AR-PRIMARY 3905146 Caterpillar genuine, new aftermarket tractor parts with delivery
INDUSTRIAL ENGINE,

Compatible equipment models: 3905146:

INDUSTRIAL ENGINE  C6.6   Caterpillar
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Solution 1
To improve the clearance between the boom tube brackets and the wiper motor, the tubes on the boom can be repositioned. Repositioning the tubes will allow the excess bracket material to be removed. Refer to Illustrations 1 and 2.
Illustration 1 g06037447
(A) Excess bracket material
Illustration 2 g06037467
(A) Excess bracket material
(B) 14 1 mm (0.55 0.04 inch)Refer to Table 1 for the part numbers required to move the boom tube brackets if the machine does not have a coupler.Refer to Table 2 for the part numbers required to move the boom tube brackets if the machine does have a coupler.
Table 1
Required Parts(1)
Qty Part Number Description
2 7C-4354 Clip
2 243-1353 Spacer
2 8T-4121 Hard Washer
2 8T-4195 Bolt
(1) Machines without coupler option
Table 2
Required Parts(1)
Qty Part Number Description
2 7C-4354 Clip
2 243-1353 Spacer
2 119-5708 Clip
2 5P-9297 Clip
2 8T-4121 Hard Washer
2 8T-6466 Bolt
(1) Machines with coupler optionSolution 2
If the first solution does not resolve the interference issue between the wiper motor and boom tube bracket, replace the 397-6970 Boom Cylinder Gp with 512-7559 Boom Cylinder Gp. If the machine is equipped with a boom lowering control valve, replace the 397-6974 Boom Cylinder Gp with 512-7560 Boom Cylinder Gp.The new cylinders reduce the cylinder stroke by 4 mm (0.16 inch) which will result in 35 mm (1.37795 inch) of extra clearance between the boom tubes and the window wiper motor.Note: A replacement boom cylinder group is not available for the 304E2 models.

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