[928uk] Indicator self cancelling

Paul ukkid35 at gmail.com
Sun Jun 16 10:30:18 UTC 2019


Hi Richard

Please let us know if there are any updates, very keen to place an order,
happy to pay in advance

Thanks - Paul

On Fri, 15 Jun 2018 at 12:36, peter watts <petermwatts2015 at gmail.com> wrote:

> richard
>  as previous i would like to order two, i know that you sent me one for
> the trial install, but i feel sensible to retain my oprder at two, both to
> help you with the numbers, and in case i need a spare for my 928's in 30
> years time when the new ones wear out!😀😀- or more likely i but another 928
>
> Peter in yorkshire
>
> On Fri, Jun 15, 2018 at 12:17 PM, Paul <ukkid35 at gmail.com> wrote:
>
>>
>> Hi Richard
>>
>> Please let us know when you will be taking orders
>>
>> Thanks again for investing your time and effort in to this project
>>
>> Kind regards
>>
>> Paul
>> 87 S4 Manual
>>
>> On 15 May 2018 at 17:30, Richard Armstrong via 928uk <
>> 928uk at lists.928.org.uk> wrote:
>>
>>> I would add that the two contacts under the indicator lever (for the
>>> headlight flasher) have springs underneath that can become dislodged easily
>>> and even spring right out and disappear into the bowels of the workshop
>>> (ask me how I know). I ended up holding the contacts down with cable ties
>>> until the cover was placed sufficiently to hold everything in place and
>>> then cutting them free. Also in the later post '90-91 cars the covers over
>>> the assembly  are removeable top and bottom so you don't have to lift the
>>> binacle. The little self tapping heads will interfere with the tabs that
>>> keep it all in place, however, so the tabs just need filing down to clear.
>>> Also, grease must NOT be used between the top of the part and the top
>>> plate. This will cause the whole thing to stick. Again, ask me how I know -
>>> I had mine apart 3 times before I was ready to put it back.
>>> The production items will be better looking but will still look rougher
>>> than the moulded items - but if they work who gives a damn, you can't see
>>> them in operation.
>>>
>>> Richard
>>>
>>> On 15-May-18 4:24 PM, peter watts wrote:
>>>
>>>> richard, and list
>>>> thought I would share my success as a guinea pig for the self
>>>> cancelling part install
>>>> as background i have two 928's both with defective self cancelling
>>>> indicators ,the S2 due to general wear , has not worked for a number of
>>>> years , and the SE broke with a grand click the first time my daughter
>>>> drove it last year en route to track day -- ive been blaming her ever since!
>>>>
>>>> I offered to test install one of richards 3D printed parts and evaluate
>>>> i installed in the S2
>>>>
>>>> if you do not want to read the details , summary is install completed
>>>> in approx 1 hour, a little fiddly, helps if you have removed binnacle/
>>>> dials before
>>>> Immediate success with 100% success at self cancelling in both
>>>> directions  - Richard supplied the part very quickly and although the
>>>> surface ( of this initial test part) as notable coarser than the old part
>>>> this did not effect the function
>>>> i would deem this an immediate success, durability and wear remain to
>>>> be tested, but it was notable that the old part showed very little wear to
>>>> cause a non function
>>>>
>>>> details as follows :-
>>>>
>>>> remove horn cover and horn feed wire
>>>> remove steering wheel nut , and remove steering wheel, ensure location
>>>> noted such that it can be refitted in same position
>>>> remove black cover under binnalce, two phillips screws outboard or
>>>> concentrated washer and odo reset button
>>>> remove cover by pulling down and forwards to disconnect from steering
>>>> lower shaft cover
>>>> remove steering lower shaft cover, 2off  M6, 10mm socket bolts one at
>>>> each end, and one phillips screw in center of steering colum
>>>>
>>>> you can now see the indicator / washer switch module, should be clamped
>>>> to steering column, put head in footwell and look up
>>>> remove clamp screw, in my case pan head phillips
>>>>
>>>> switch module can now be pulled/ rotated and will move up shaft but
>>>> will not disconnect until upper steering column cover ( part of dash
>>>> binnacle is removed )
>>>>
>>>> to remove dash, head again in footwell looking up, two long cap head
>>>> screws at extreme ends of display panel , to be unscrewed and removed, one
>>>> adjacent to ignition switch , second at opposite end - difficult to see
>>>>
>>>> dash display panel should then be loose such that switch module can be
>>>> released from steering column - multiplug conectors at rear of switch need
>>>> to be disconnected as switch is pulled forward
>>>> if you have cruise control this is a seperate conmnector ( on S2 anyway)
>>>>
>>>>
>>>> take switch to workbench
>>>>
>>>> look at centre aperture of switch small white plastic tongue aparrent
>>>> at left hand side is self cancelling pawl, located in slot in topl plate
>>>> to access the self cancelling pawl, the switch needs to be partially
>>>> disassembled,
>>>>
>>>> drill out the brass rivets holding top plate ( galv steel) just need to
>>>> remove the top rolled over section - do NOT need to remove the rivet
>>>> holding horn contact
>>>>
>>>> as you are removing rivets ensure that you keep switch unit clamped
>>>> topgether to prevent flying parts
>>>>
>>>> once rivets free top plate can be removed may need slight leverage
>>>> against black moulded switch body
>>>> the washer switch should remain in situ within unit
>>>>
>>>> push out the remaining stubs of rivets from switch unit - suitabel
>>>> sized punch, or nail
>>>>
>>>> indicator self cancelling pawl has  two very fine stainless springs
>>>> from holes each side of pawl, to plastic pins on switch unit, one of mine
>>>> released itself from the pin but was left attached to the second pin
>>>> the indicator arm assembly will now try to part company with the switch
>>>> housing
>>>>
>>>> replace old worn pawl with new, by transferring springs to new pawl
>>>>
>>>> hold indicator arm assembly in switch housing whilst manipulating ends
>>>> of pawl springs back onto the two pins  - you need three hands here😁
>>>>
>>>> then align top plate back in position capturing the pivot boss of
>>>> washer switch arm, indicator switch arm and the bosses on the indicator
>>>> pawl- 4 hands needed here !
>>>> locate top plate back on switch housing and refit using small self
>>>> tapping screws instead of the original brass rivets, note self tapping
>>>> screw heads can sit proud of top plate surface as nothing is in close
>>>> proximity to this plate once reinstalled in car
>>>>
>>>>
>>>> OR an easier method to replace self cancel pawl :-  place switch
>>>> housing in vice to locate securely insert long thin pick, or screwdriver
>>>> through aperture (slot) in top plate that the self cancelling pawl will
>>>> reside in.
>>>>  use this pick/  screwdrive to hold down pawl, and by default indicator
>>>> switch arm assembly whilst locating top plate in position to capture first
>>>> washer switch boss and then slide down screwdriver to capture pawl boss and
>>>> then indicator arm boss.  can be accomplished with just two hands - all I
>>>> have!, clamp the top plate to switch body and then insert self tapping
>>>> screws 😀
>>>>
>>>>
>>>> reinstall in car, refit dash, refit clamp, lower column cowl, under
>>>> dash pod cover, steering wheel, centre correctly
>>>> refit horn pad, not forgetting to reconnect horn wire
>>>>
>>>> took me just over 1 hour - but i have taken dash dials out a number of
>>>> times before
>>>>
>>>> NB whilst you are there may be worth replacing dash illumination bulbs
>>>> as eash to access with dash free
>>>> also not much more work to replace odometer gear - but i did not have
>>>> one 😒
>>>>
>>>> i have not tried to give detailed explanations before , have much
>>>> respect for dwayne etc that offer great write ups
>>>>
>>>> when i do the ~SE i will attempt to take images of the process , its
>>>> not actually difficult, tools required are minimal, but is fiddly and i can
>>>> see could try patience in terms of switch dismantling and reassembly
>>>>
>>>>
>>>>
>>>> Richard thank you for develping this 3D printed item😀😀😀, and
>>>> allowing me to test an initial part
>>>>
>>>> Peter in Yorkshire , with a working self cancelling indicator unit on
>>>> my S2
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> On Tue, May 1, 2018 at 9:31 AM, Richard Armstrong via 928uk <
>>>> 928uk at lists.928.org.uk <mailto:928uk at lists.928.org.uk>> wrote:
>>>>
>>>>     Having installed one of the printed parts my indicators are
>>>>     working just perfectly. As I said before, I can't see why the self
>>>>     cancel was only working on one side as the wear looked minimal on
>>>>     the original.
>>>>     The assembly is quite delicate and I wonder if it was just nor
>>>>     centering properly. I also found that lubrication is critical - I
>>>>     tried greasing the cover plate and found the cancelling lug then
>>>>     sticks and the whole lot stops working.
>>>>     The material of the component is very tough and I think will last,
>>>>     however the print quality leaves something to be desired. The
>>>>     upside is that you never see it so if it works, who cares.
>>>>
>>>>     I would like someone who has a non working self cancel to fit one
>>>>     of the samples , for a 2nd independent opinion.
>>>>     Anyone interested?  - let me know off list and I will send yo a
>>>>     part and detailed instructions/pics to install.
>>>>     It needs to be somene fairly dextrous as it is pretty fiddly
>>>>
>>>>     Richard
>>>>     --
>>>>     ---
>>>>     This email has been checked for viruses by AVG.
>>>>     http://www.avg.com
>>>>
>>>>
>>>>
>>> --
>>>
>>
>>
>
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