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D4, 7U fan belt replacement

D4, 7U fan belt replacement

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D4gyppo
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I have a D4 7U series with factory front hydraulic pump for the blade. I need to replace the fan belt, do I have to pull the radiator and hydraulic pump off to do this? I hope not! Any help is appreciated.
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Sat, Jun 2, 2018 9:06 AM
bursitis
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http://www.fennerdrives.com/powertwist-plus/

These work pretty good. especially on the slow running old engines. adjust tension normally.

if you wish to replace with OEM then you will need to separate the drive coupling from the front engine pulley then install the new belt
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Sat, Jun 2, 2018 9:35 AM
Paso Bob
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Reply to bursitis:
http://www.fennerdrives.com/powertwist-plus/

These work pretty good. especially on the slow running old engines. adjust tension normally.

if you wish to replace with OEM then you will need to separate the drive coupling from the front engine pulley then install the new belt
No, you do not. The coupler separates by taking the six bolts off and driving a chisel between them to slide it back. Use the Google search function in the upper right corner. There was a post on this a couple of years ago.
D-4 7U-43159 with 4S dozer and Cat 40 scraper, D-7 3T-1179 with Cat 7S hydraulic dozer, D-7 17A 13,944, D-8 14A-1160 with Cat 8S cable dozer, Cat 12-99E-4433 Grader. All runners and users.
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Mon, Jun 4, 2018 12:06 PM
kracked1
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Reply to Paso Bob:
No, you do not. The coupler separates by taking the six bolts off and driving a chisel between them to slide it back. Use the Google search function in the upper right corner. There was a post on this a couple of years ago.
Paso Bob is correct.
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Mon, Jun 4, 2018 7:39 PM
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