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DISCUSSION FORUMS : Forkliftaction.communicate
Forum: Technical arena
Discussion:  Toyota SAS experiences
Number of messages: 56
Page: [1] 2 3
BoosteR
British Columbia, Canada 		the things I heard were that the SAS completely disables the truck and you need to call for service to deactivate the truck :-))

another thing is that the beneath-the-frame cylinders and reevings are totaly exposed, what makes the use in harsh applications very costly.

Posted 20 Aug 2004 11:58 AM Reply  Report this message
REPLIES: Sort replies by
arty_p
Harjumaa, Estonia 		Well, the best thing I heard about the SAS in 3-wheeled electric forklifts is that it does not do anything at all.

Imagine a single cylinder lifting or lowering the rear wheel during high speed corner cutting..... it could be disastrous if it lowered the rear wheel, even more if it raised.

So it does not do anything at all for the safety of forklift driver.

Posted 26 Aug 2004 07:06 PM Reply  Report this message
twetnysevnyrtec
Florida, United States

 		I think a more important issue is the fact that if the engine stalls with the forks in the air,you have to pull the front panel and manually lower the forks,which is a safety issue,as most end users do not employ there own tech's. As to the sas system, i have found a coding problem after raising the left side of the truck,and the cyl.staying extended,until the engine is started,dropping the frame at once. Of course,toyo tech's know this,but after warr. non toyo tech's will find this out.   (not meant to bash the truck)

Modified 26 Aug 2004 09:59 PM
by poster. 		Reply  Report this message
megan_l
British Columbia, Canada 		The 7-Series Toyota forklift with it's System of Active Stability (SAS) was designed to improve operators safety and increase productivity.    You may not be aware, when  using the automatic fork levelling system, you depress the button while you tilt.  Again, keep in mind that every forklift has a maximum forward and rear tilt and therefore should not put an operator in a potentially dangerous situation. .....post edited by Admin

Modified 29 Aug 2004 03:39 PM
by administrator. 		Reply  Report this message
BoosteR
British Columbia, Canada 		megan_I

Sorry, missed your point....Can you pls. explain it more clearly???

( Or this is because of admin's edition...!!! :-))

Modified 1 Sep 2004 01:41 AM
by poster. 		Reply  Report this message
megan_l
British Columbia, Canada 		BoosteR
My response was to the previous query regarding the automatic fork levelling button on the tilt lever.  I was explaining how it works, ie: you hold the button down as you tilt if you want the forks to level.  If you want the maximum allowable forward tilt, you don't depress the button.  It is extremely easy and users find it helpful knowing they are going into their loads level.  I hope this is explains it more clearly for you.

Posted 3 Sep 2004 00:21 AM Reply  Report this message
jason_h
Ontario, Canada 		I worked at a company this summer that used the Toyota trucks with the tilt button and it worked great.  We had no problems with it but can it be over ridden by a technician to maybe tilt further?

As part of our training before using the trucks we had to watch a video from Toyota about SAS.  It was pretty good.  I think my manager ordered it from their web site.

Posted 10 Sep 2004 00:38 AM Reply  Report this message
todd_b
New South Wales, Australia 		Wayne. From the replies posted it is clear that the SAS system is not well understood in the market. I know the system and its workings very well. SAS is made up of several features, the most significant is the rear swing lock cylinder (which 3 wheelers do not have). The computer takes inputs from various sensors including Yaw rate and determines critical lateral stability. This is done in a poofteenth of a second and the rear axle is locked. Considering forklifts lateral stability is at its lowest usually when UNLOADED this feature is probably the most effective method of reducing - not eliminating - the likelihood of lateral rollover. It increases the width of the stability base across the rear axle - much more effective than dual wheels or wide tread in an unloaded scenario. The rear swing lock cylinder is not pressurised so it cannot jack up one side from a standing position. It uses a solenoid to halt oil transfer from one chamber of the cylinder to the other momentaily thus locking movement of the axle. My understanding is that it is in a fail safe condition when the power is off thus the cylinder is locked. My advice is to read the operators manual before you work on forklifts with SAS as some precautions are required. This is not just a good system it, or similar should be mandatory. Toyota is obviously not getting the right messages out there to inform the public of its real benefits.

-------------------------
Forkpro Australia

Posted 23 Sep 2004 07:43 PM Reply  Report this message
Gordo
Alberta, Canada 		You nailed it scottp, operator training is the key, I have several cust who opted for the training over SAS and their productivity has increased and accidents decreased. I think Toyota's concept of controlling the operator by controlling the truck is comendable but unrealistic.

Posted 23 Dec 2004 02:34 AM Reply  Report this message
hanck_c
Capital Federal, Argentina 		Two dealers with over 25 years in the business say the only lateral roleover they know of was caused by a truck wheel going to a large hole. No SAS was going to help.

Nobody really seems to know  why  the SAS is worth installing. If it were, why don´t more manufacturers offer it?
(Clark offers it as an option)

The feeling among truck salesmen is that it is a sales gimmick that brilliantly solves a problem that does not exist.

Service managers think it is a danger during maintenance.

-------------------------
Hank_C "Success is 80% attitude"

Posted 30 Dec 2004 02:17 AM Reply  Report this message
diesel
Quebec, Canada 		Gentelman how care's how invented the SAS this system is one of the best think that happened to the lift truck industry since a long time....... Operators are operators and there will always be some no brainner driving a lift over it limits and this system will extend does limits to save he's, her's LIFE or a pedestrians life..... AND that is why Toyota but's it on all there lift now. All the other lift manufacture would install it if they had it ( check the new Nissan,Cat Mitsu propane lift ). Nacco tried to reverse ingeneer it but was not able to copies the software and that is why they dont have it for know but it will come.Cascade Hyd. has since but out a mast leveling system!!!! This system prevent's lift from tipping over by turning to fast and prevent"s box's from falling of the fork's from 15 feet. Is there and other lift truck compagny out that invented and active safety system to save life's ???? No. It's not because you dont untherstand the system that it is bad. Yes it is not 100% perfect but it is the only one out there and it SAVE'S LIFE'S. Keep in mind that nothing replaces training

Posted 14 Jan 2005 10:55 AM Reply  Report this message
diesel
Quebec, Canada 		Hanck c
If you service manager thinks it is dangerous to repair that means he does not know what he is doing and should not repair it. It is not more dangerous to repair then other lift . You can even say that it is safer because there is no chances that the mast comes down on the tech if the engine is not running ( not all tech. safely blocks up the mast when working on them) because of the hydraulic safety down lock system.
You can also check out the Yale Veracitor VX lift it has Continuous Stability enhancement CSE. So yes the other lift truck compagny's are starting get there own type of active stability system's
Posted 21 Jan 2005 11:29 AM Reply  Report this message
manuel_r
manila, Philippines 		to my dear fellow members i am glad to be a new member of Forkliftaction.com I believe that SAS was a breakthrough in forklift technology ang safety. Talking about SAS is a very complex issue since it is a complicated system. The sensors used with this system alone are so many (tilt angle sensor, mast heigth sensor, yaw rate sensor, tire angle sensor, load weight sensor, steering wheel angle sensor and controller) plus three actuators (swing lock cylinder, steering knob position correcting valve, and OCV solenoids) My friends this is one hell of a long discussion and unless you are pretty knowledgeable with the operation you will not realize the great benefit of SAS. I also agree and always preach that SAS will not eliminate accidents but lessen it at a great extent.... Forklift Operator Training for Safety is always the key....


-------------------------
(@_@) yahoo!

Posted 11 Feb 2005 12:15 AM Reply  Report this message
mick
Tennessee, United States 		Bottom line the Toyota 7 series is not what the 6 was and the 6 is not what the 5 was the 5's were tough and were easy to work on the Dealer can't even fix some SAS problems & don't even think about washing the truck.

Posted 6 May 2005 02:47 AM Reply  Report this message
diesel
Quebec, Canada 		We wash these 7 serie, every day. We even wash the electric 7 serie's and NEVER had any problem's.  We barely had any SAS problem's sence they came out and they where all solved.

Posted 6 May 2005 03:24 AM Reply  Report this message
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