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Hurst
09-08-2005 17:30:45
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Re: 6610 Transmission in reply to Alex H., 09-08-2005 12:06:48
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The dual power is a planatary powershift pack that is inside the torque tube right before the the tranny. There is a square cut in the torque tube on the side with the brake pedals. Do you have 1 or more than 2 lines running there. If you have more than 1 (I think it was 2) then you have a dual power. Also, a 6610 should have an electric switch the is opposite of the throttle. I would check your hydraulic fluid level. Another way to check to see if it is the pump is to put something like a batwing to the pto and just put it in gear at a low throttle (at idle or below). Our 6610 and 7610 snap right into gear after about 1 second. If yours is fethering on its own, you have either a bad hydraulic clutch pack that is causing a loss of pressure, bad pump, clogged filters, or something else that is restrciting the flow. The dual power has a solenoid right inside the square that is cut out of the torque tube that can be replaced without a split. I would quit using the tractor now. If you keep using it and it is an oil pressure problem, you are burning up your clutches in the DP, which is about a 1000 dollar repair give or take (at least that is what I was given when I had mine apart, thankfully it was not the DP but the main clutch). My 6610 has never had a problem like then with the dual power, but instead the main clutch. To check this, the best way I can think of is to shift the dual power when it is doing this up a hill (only once!!! don't want to mess up dual power if it is the problem). When going up the hill, start in turtle. If the tractor doesn't slow down without a drop in rpms that is consistant with the drop of speed, then you have found your problem is somewhere on the high side of the DP. Now if it starts to slip like you are describing, shift the dual power into HIGH (AKA Rabit). If it is the dual power, this should either completely engage the tranny again (no more slippage and if this is the case, problem is on low side of dual power). If it is not the dual power, you should feel a little jerk where the momentum of the dual power planateries speed up the tranny gears for a split second, but then the main clutch slips again. Basically, it would feel like you are riding the clutch when shifting the DP on the go. Another way to check individual sides of the DP is to put the brakes in park as hard as you can and then put the DP in low, gears in 8th (road gear), then let the clutch out fairly quickly and see if it slips. If it kills the engine, that side of the dp is good, if not, you have not narrowed anything down yet. Now put the DP in hight, and then in either 7th or 8th gear (probably with a 6610, 7th gear in high due to hp) and do the same thing. If it slips here then there are 2 things. If it slipped in just the high or just the low, it is the DP. If it slipped in both it can be either of them and you would have to either shift the DP with the brakes on and see what if feels like. If the DP is shifting right and the clutches engaging all the way, you should be able to feel a little snap (hopefully not hear it). If you don't feel a snap, DP has a problem and that would mean checking pressure, then if that turns up empty, splitting and rebuilding the DP (Even if it is just the piston seals, I would still redo it while it is apart since the clutches would probably have pretty good wear). If you need any help, My e-mail is open. I have had a 6610 with 8x2 non syncro and dual power apart (the dual power that is not the tranny), and I had the dealer parts printout at home (I am at boarding school right now) so I could try to get some info somehow. Hurst
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