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Tractor Talk Discussion Forum

JD-350 sickle wobble box

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rdbennett

04-11-2008 07:41:09
67.232.107.151



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I got a JD 350 sickle with a 9" Bar {almost free} old owner said it keeps breaking knife bar where it attaches to arm.In about one minute I could see why that wobble box has all kind of play in it.This is my first sickle and I dont have a manual. How hard is it to rebuild that box and about how much does it cost.Also if someone has a spare manual I would be glad to buy it from them Thanks Ryan

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Roger in Iowa

04-11-2008 13:58:12
69.18.26.117



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 Re: JD-350 sickle wobble box in reply to rdbennett, 04-11-2008 07:41:09  
Make sure you have the right guards on the knife head end of the sickle. Wrong guards (with wear bars) can cause knife to break.

Also loose pin in head causes problems.

Roger in Iowa



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Bob

04-11-2008 11:33:02
69.178.228.68



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 Re: JD-350 sickle wobble box in reply to rdbennett, 04-11-2008 07:41:09  
The 350 and 450 movers are a darned good cutting mower, but the wobble box is a weak point, and often fails badly to the tune of lots of $$$$$$.

There is a pin (Key #5) that that knife drive lever pivots around that is clamped into the base of the wobble box casting.

90% of the time the mower has got to this point, the clamp area in the casting is wallowed out or broken off. A new casting, key #13, part #AE31780 is over $700.00.

SURE hope your's hasn't gotten to that point, and that a new pin (#25), bearing (#29) and a couple of bearing cups (#5) will fix it up for you!

I have 5 mowers with that same drive (#450's) laying around, with the casting bad in all of them!

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rdbennett

04-11-2008 12:02:53
67.76.233.227



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 Re: JD-350 sickle wobble box in reply to Bob, 04-11-2008 11:33:02  
Thanks for the info and picture,I will print it out hopefully It is not the casing thats bad Ill tear into her and see.Again thanks for the help.Will I need part numers for those ends and bearings or will the yahoos at the dealer be able to look them up?



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Bob

04-11-2008 12:54:33
69.178.228.68



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 Re: JD-350 sickle wobble box in reply to rdbennett, 04-11-2008 12:02:53  
Here's the part numbers. They don't format well here, but should be usable.

You can go to jdparts.com and look them up, as well.

KEY PART NO. PART NAME QTY SERIAL NO. 350 450 REMARKS
1 24H1649 WASHER AR X X 1-9/32" X 1-11/16" X 0.060"
2 E51137 PIN FASTENER 1 X X
3 19H2898 CAP SCREW 3 X X 1/2" X 1-1/4"
4 E52764 COVER 1 X X
5 AH12461 BEARING 2 X X
6 JD9011 BEARING CONE 2 X X
7 AH62284 SEAL 1 X X
8 H62210 SHAFT 1 X X
9 AH62281 SEAL 2 X X
10 JD8285 BEARING CUP 4 X X
KEY PART NO. PART NAME QTY SERIAL NO. 350 450 REMARKS
11 P46356 RING 2 X X
12 JD7806 LUBRICATION FITTING 1 X X
13 AE31780 HOUSING 1 X X (INCLUDES KEYS 10, 11, 12 AND 15) (MARKED E53623)
14 19H3747 CAP SCREW 2 X X 1/2" X 3"
K40014 LOCK NUT 2 X X
15 H62203 DOWEL PIN 1 X X
16 H29623 LOCK NUT 1 X X
17 24H1429 WASHER 1 X X 29/32" X 1-3/4" X 0.194"
18 E51153 PULLEY 1 X X
19 T18655 SPRING 1 X X
KEY PART NO. PART NAME QTY SERIAL NO. 350 450 REMARKS
20 H25527 DOWEL PIN 1 X X (SUB H80817)
H80817 DOWEL PIN 1 X X
21 H62769 NUT 1 X X
22 JD7387 BEARING CONE 2 X X
23 19H3208 CAP SCREW 1 X X 5/8" X 3"
K40015 LOCK NUT 1 X X
24 E53365 WEIGHT 1 X X
25 H62206 PIN FASTENER 1 X X
26 AE32043 SEAL 1 X X
27 AA5607R SEAL 1 X X
KEY PART NO. PART NAME QTY SERIAL NO. 350 450 REMARKS
28 JD8810 NEEDLE BEARING 1 X X
29 AE32044 BUSHING 1 -594000 X X
AE42509 BEARING 1 X X
30 E70326 SHIM 1 X X
31A R36575 SNAP RING 1 X X (SUB 40M7227)
31B 40M7227 SNAP RING 2 X X
32 F2931R PLUG 1 X X
33A AE24709 CUTTERBAR 1 -594000 X X (MARKED H62204) (SUB AE42235)
33B AE42235 CUTTERBAR 1 X X
34 JD7760 LUBRICATION FITTING 1 X X
KEY PART NO. PART NAME QTY SERIAL NO. 350 450 REMARKS
35 H62205 SET SCREW 2 -594000 X X
36 19H3547 CAP SCREW 4 X X 7/16" X 1"
37 P46357 CAP 1 X X
38 E42348 NUT 1 X X
39 JD7842 LUBRICATION FITTING 1 X X (SUB FOR JD7840)
40 H62211 HOUSING 1 X X
41 19H2644 CAP SCREW 1 X X 1/2" X 2-1/2"
K40014 LOCK NUT 1 X X
42 AE32481 HOUSING 1 X X
43 AE58310 GATHERING NUMBER 1 X X
KEY PART NO. PART NAME QTY SERIAL NO. 350 450 REMARKS
.. PM37421 SEALANT 1 X X (SUB FOR AT14927 OR TY9371) (FOR P46357 CAP)

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