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3304 955L torque settings

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2 months 1 week ago #239522 by PhilC
Hello All
I am fitting a 3304 into my 955K that has the later style 955L coupling on the flywheel. As I only have the 955K's workshop manual I don't have the torque settings for the bolts in the flange. Bolts are part number 4 (1A1460) in the pic below.
Also I could not find in the manual the torque setting for the flywheel bolts.I have 118-142 ft lbs from the 944's manual. Is that the same for the 3304? Bolts are different lengths but the same diameter and thread.

Regards

Phil

944A - Machine SN 43A2589 Engine SN 90A284
955K- Machine SN 71J3772 Engine SN 83Z0704
D6 SN's 4R732sp, 5R2724, 5R4832
D8 SN's 15A1254, 15A2287, 15A2723
Attachments:

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2 months 1 week ago #239536 by Rome K/G
Replied by Rome K/G on topic 3304 955L torque settings
Coupling bolt torque is 80 ft lbs
Flexible coupling flange (part #'s 6P3983,6P3984.6P5020] bolt torque is 95
Two piece front flange center bolt torque is 160 ft lbs
Dont have flywheel bolt torque, must use standard bolt spec torque.

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2 months 1 week ago #239546 by PhilC
Replied by PhilC on topic 3304 955L torque settings
Thanks Rome but mine is a single piece flange.Do you know what size bolts are in the two piece flange?

944A - Machine SN 43A2589 Engine SN 90A284
955K- Machine SN 71J3772 Engine SN 83Z0704
D6 SN's 4R732sp, 5R2724, 5R4832
D8 SN's 15A1254, 15A2287, 15A2723

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2 months 1 week ago #239547 by Rome K/G
Replied by Rome K/G on topic 3304 955L torque settings
The bolts for the rubber couplings are 6H1717 1 1/8" 1/2" coarse grade 8
Bolts for the front flex plate are special high strength bolts 0L1329 3" 1/2"coarse
Recommend getting bolts from Cat.

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2 months 4 days ago #239621 by PhilC
Replied by PhilC on topic 3304 955L torque settings
Thank you very much Rome

944A - Machine SN 43A2589 Engine SN 90A284
955K- Machine SN 71J3772 Engine SN 83Z0704
D6 SN's 4R732sp, 5R2724, 5R4832
D8 SN's 15A1254, 15A2287, 15A2723

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2 months 4 days ago #239622 by Rome K/G
Replied by Rome K/G on topic 3304 955L torque settings
Your welcome!

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2 months 4 days ago #239635 by side-seat
Replied by side-seat on topic 3304 955L torque settings
On the subject of fly wheels; we are putting a D315 back together. what is the torque value on my flywheel bolts?
We torqued the bell housing nuts to: 150ft lbs.

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2 months 4 days ago #239636 by Rome K/G
Replied by Rome K/G on topic 3304 955L torque settings
Use the bolt torque setting for that size and thread bolt. No set torque ratings are given for flywheel bolts in the manuals.

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