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DISCUSSION FORUMS : Forkliftaction.communicate
Forum: Industry News & Whispers
Discussion:  ground speed control
Number of messages: 45
Page: [1] 2 3
AndyPandy
Staffordshire, WM, United Kingdom

 		There are a whole host of trucks which can have the top speed set to site requirements. All the MCFE electric machines can be controlled in this way, plus all the current MCFE gas powered models (there is also an adjustment for tyre wear so the set speed can be maintained as the tyres wear). All the Still machines for the European market are also controllable in this way (the Still system controls the speed, even when descending a slope).  I am sure that any AC machine will be able to have it's speed controlled, as some kind of sensor bearing is required to make it work and this signal can then be used for speed control. As most current IC machines are fitted with some form of engine and transmission management speed control is easy to obtain.

Posted 28 Dec 2007 01:10 AM Reply  Report this message
REPLIES: Sort replies by
johnr_j
Georgia, United States 		etharp
Typically, you will find that on electric units that have 100% drive motor control (meaning) not SCR the top travel speed of the unit can be adjusted in the field with a hand set or laptop.

Commonly with ICE units top travel speed is limited via transducer that measures the the speed of the trans output shaft.  This typically needs to be accomplished at teh factory for economic reasons.

I am certain there maybe other ways - years ago a change in the ring and pinion gears was used to control travel speed.


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Have An Exceptional Day!

Posted 28 Dec 2007 04:29 AM Reply  Report this message
leobert
Manila, Philippines

 		I think the TCM brand do have ground speed control especially the ACROBA series. You can ask any TCM dealer in your area regarding the ACROBA series and it is standard in that model.

Posted 28 Dec 2007 07:36 PM Reply  Report this message
johnr_j
Georgia, United States 		On Clark counterbalanced electrics - 3, 4 wheel & stand-up.  Travel speed can be adjsuted via hand set in the field.  On Clark ICE trucks - cushion & pneumatic top ravel speed is available from the factory at given preset levels for about $300 LP.  The "economic reasons" is the amount of labor time and the cost of parts to make a field conversion to install a transducer and pick-up on the trans onput shaft vs cost from the factory.

Komatsu  (Tusk)  counterbalanced electrics with AC control travel speeds can be adusted in the field.

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Have An Exceptional Day!

Posted 29 Dec 2007 00:28 AM Reply  Report this message
AndyPandy
Staffordshire, WM, United Kingdom

 		Hello Etharp

On the equipment i mentioned, it is all standard fitment. You just need to activate it and set the required speed.

Posted 29 Dec 2007 03:29 AM Reply  Report this message
AndyPandy
Staffordshire, WM, United Kingdom

 		Hello Etharp
All the MCFE electric machines, and all the gas powered IC machines have speed control fitted as standard.  The diesel powered machines do not have this fitted as standard at the moment, but this should come on line in 2008 with a new engine and transmission management system.

Posted 29 Dec 2007 07:11 AM Reply  Report this message
proshadetree
Tennessee, United States

 		In the USA mcfa trucks its pot luck if its checked you can set speed if not then you have to remove vcm and send it in at extra cost.Some feild techs have been able to change it with laptop service tool.Last update made it harder but can still be done.Seems like they want the profit from just checking a box.We as service techs to our customers dont want the down time or rental cost to replace downed truck.I however dont understand why it is open on some not on others.I would like anyone who knows to shed some light on this if possible.

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"Work leads to profit, mere talk leads to poverty"

Posted 4 Jan 2008 10:08 PM Reply  Report this message
proshadetree
Tennessee, United States

 		I would like to know what can and cant be speed limited and not by an outside vendor such as the pace 1 or other but all oem options

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"Work leads to profit, mere talk leads to poverty"

Posted 5 Jan 2008 09:16 AM Reply  Report this message
daniel_g
Flevoland, Netherlands 		@ Andy, you will not see speed limiting (EDC) added as standard on the diesel units in 2008, but it is and has been an option on the price lists, since around 2005.

@proshadetree, there are a number of differnces between European, North American and Japanese products from MCF, and included with that is price and specification.......and this determines what is standard and what is not.  
If the option has been paid for at the time of the machine order and production at MCFA then you would find the option switched on, however if it is not then, as you say, need to return the VCM to MCFA for setting.
Changes to the software and data encryption were made to avoid accidental or unauthorised changes to the set-up options, meaning that access to the option will be limited.

Modified 17 Jan 2008 08:38 PM
by 		Reply  Report this message
proshadetree
Tennessee, United States

 		What I dont understand 10 trucks go to customer serial numbers in line.7 trucks dont have it 3 do. Now customer wants them slowed down but I tell him I can do 3 but the other 7 has to have vcm removed and sent to be programed.Customer then gets upset and I got to deal with him.I normaly save the ones I can set to last and tell customer when all is done so I dont have to put up with them.I dont do ordering and our salesman told me he includes it only when customer preordes it that way.Factroy speed limit on these trucks are great We have tried some aftermarket that I dont want to mention and had nothing but problems.I just dont understand why a truck that was not ordered with speed control has the option open and some dont.

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"Work leads to profit, mere talk leads to poverty"

Modified 17 Jan 2008 09:11 PM
by poster. 		Reply  Report this message
daniel_g
Flevoland, Netherlands 		prosh,

Does seem odd and seems some what inconsistent, and I would suggest that you simply tell your customer it is a cost option for all of his machines, avoiding the need to explain the inconsistency.  It may be that the machines were stock units and then converted to fill the order and this has led to the difference in settings, so you should just look at it from the angle of getting something for nothing....which you can either pass on to the customer or profit from.
Posted 21 Jan 2008 09:54 PM Reply  Report this message
erik_h
Tennessee, United States

 		hello ed
oh i have been buisy lately... lp trucks optional upto 8 ser. then standard... ele all standard..

Posted 5 Feb 2008 02:58 AM Reply  Report this message
roadrat
North Carolina, United States

 		Is there an after market speed control and where can it be purchased for  older units ?  IC trucks

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"ARE WE HAVING FUN YET?"

Modified 17 Feb 2008 11:32 AM
by poster. 		Reply  Report this message
roadrat
North Carolina, United States

 		The Yale Veracitor and Hyster Fortis can be ordered with speed limit option or the software can be loaded with laptop but it is an option and there is a cost. I think speedlimit is a saftey issue and should be standard on a lift truck. I too would be interested in an aftermarket  limiter that would'nt affect the hydraulics like it does when you turn the governor down in the older trucks especially clamp trucks. PS. You got me to bite, etharp.(smiles)

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"ARE WE HAVING FUN YET?"

Posted 6 Feb 2008 01:50 PM Reply  Report this message
Drlifttruck


Ed,

All current TCM (US marketed) units in LSI and ELE have easily programmable speed control.

The LSI  K21, K25 and TB45 require an inexspensive, like $2 part to limit ground speed.

Regards,

Doc

Posted 11 Feb 2008 11:11 AM Reply  Report this message
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