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1930 Packard 740 Clutch Adjustment


Louisi2

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This is a customer's car and has been in limited use since restoration, having logged around 2000 miles since the clutch plates were re-done.

The symptoms are that the car is hard to place in gear- yet also wants to slip when the clutch pedal is all the way out.

There is the usual outside adjustment- and apparently an internal adjustment that is neceessary from time to time. We attempted the (apparent) internal adjusment with no discernable result.

The car was brought in with an owner's manual- and no shop manual- though we have orderd one. I am hoping a forum reader who may have encountered a similar sitatuion may consider sharing his thoughts and experience with us..

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The slipping can have various causes, hard to pin down from your description.

Re: the dragging of the clutch. Assuming all the fingers are correctly adjusted and everything runs true, it could be the adjustment of the centre steel plate.

If you take off the aluminium gear lever baseplate you will see 3 slotted adjustment screws near the outside of the clutch assembly.

Turn them clockwise till tight and then 3 clicks back. Hope that fixes the problem without mayor disassembly.

Also make sure the gearbox is filled with 240 grade gear oil.

Maybe other members have more tips for you.

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Thank you for your thoughts. We think it has come apart or has a warped clutch plate inside- but we will try what you have suggested as it needs to come at least that far apart anyway. I am not sure where you are located- but my technician, Fred, would very much like to speak with you if you'd be willing to take call from him. We are in the southeastern quadrant of Pennsylvania- and if you are willing to take a call- would you e-mail us at lastchacegarage13@verizon.net with your telephone number and the best time to call?

Thank you!

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Thank you for your thoughts. We think it has come apart or has a warped clutch plate inside- but we will try what you have suggested as it needs to come at least that far apart anyway. I am not sure where you are located- but my technician, Fred, would very much like to speak with you if you'd be willing to take call from him. We are in the southeastern quadrant of Pennsylvania- and if you are willing to take a call- would you e-mail us at lastchacegarage13@verizon.net ?

Thank you!

We have adjusted the three fingers operated by the slotted screws and the car is now performing as it should. The slotted screw head adjustments were 9 and 10 clicks out- and they should have been 3 clicks out- so now all is well.

Thanks to all who assisted us with this effort.

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The slipping can have various causes, hard to pin down from your description.

Re: the dragging of the clutch. Assuming all the fingers are correctly adjusted and everything runs true, it could be the adjustment of the centre steel plate.

If you take off the aluminium gear lever baseplate you will see 3 slotted adjustment screws near the outside of the clutch assembly.

Turn them clockwise till tight and then 3 clicks back. Hope that fixes the problem without mayor disassembly.

Also make sure the gearbox is filled with 240 grade gear oil.

Maybe other members have more tips for you.

Would this same internal adjustment apply to a 1934 standard eight clutch?

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On Friday (yesterday) we performed the adjustments noted above and they were successful. If the 1934 has the same two disc setup i imagne the adjustment procedure wouldbe the same. A 1930 733 that we had inthe shop last year had a single normal clutch- so we had no adjustment problems with it. I suspect your 1934 standard 8 has the single plate clutch.

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