Handbrake compensator modification
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Topic author - Posts: 423
- Joined: Sun Aug 05, 2012 7:25 am
- Location: Canberra Australia
#1 Handbrake compensator modification
Hi, to those who have done this Dave K mod,
how far up the rod from the mounting plate do I cut it? Is it just to leave a stub for the 2” long, 3/8” ID tube to be welded on and the remainder of the rod remains as is? I did get the instructions emailed to me some time ago but it’s inadvertently been deleted.
Cheers,
Pete
how far up the rod from the mounting plate do I cut it? Is it just to leave a stub for the 2” long, 3/8” ID tube to be welded on and the remainder of the rod remains as is? I did get the instructions emailed to me some time ago but it’s inadvertently been deleted.
Cheers,
Pete
Pete
61 FHC OGS
99 XKR FHC
03 BMW Z4 3.0 Roadster
62 BSA 650 Spitfire Scrambler (for sale)
61 FHC OGS
99 XKR FHC
03 BMW Z4 3.0 Roadster
62 BSA 650 Spitfire Scrambler (for sale)
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#2 Re: Handbrake compensator modification
Steve
1969 S2 2+2 & Building a C type replica
1969 S2 2+2 & Building a C type replica
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Topic author - Posts: 423
- Joined: Sun Aug 05, 2012 7:25 am
- Location: Canberra Australia
#3 Re: Handbrake compensator modification
So the tube is hollow all the way to accommodate all of the rod I presume.
Pete
61 FHC OGS
99 XKR FHC
03 BMW Z4 3.0 Roadster
62 BSA 650 Spitfire Scrambler (for sale)
61 FHC OGS
99 XKR FHC
03 BMW Z4 3.0 Roadster
62 BSA 650 Spitfire Scrambler (for sale)
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#4 Re: Handbrake compensator modification
Yes...cut the rod and weld on a tube at the short end.....when assembled overall length should be same as prior to cutting....Steve
Steve
1969 S2 2+2 & Building a C type replica
1969 S2 2+2 & Building a C type replica
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#5 Re: Handbrake compensator modification
Hi,
When I did this a few months ago, I didn't go down the welding route as I don't have access to the equipment.
I cut the rod half way between the mounting flange and the start of the bend and slipped the tube over both 'ends'. The tube was lubricated with graphite grease first. This works fine for me and enabled me to get it through the MOT as it took the braking force from 12% (fail) to 26% (pass).
Just another option.
When I did this a few months ago, I didn't go down the welding route as I don't have access to the equipment.
I cut the rod half way between the mounting flange and the start of the bend and slipped the tube over both 'ends'. The tube was lubricated with graphite grease first. This works fine for me and enabled me to get it through the MOT as it took the braking force from 12% (fail) to 26% (pass).
Just another option.
Richard
S1 3.8 FHC Opalescent Golden Sand with Tan Trim 889504
Now running-in my diy nut ‘n’ bolt restoration.

S1 3.8 FHC Opalescent Golden Sand with Tan Trim 889504
Now running-in my diy nut ‘n’ bolt restoration.



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#6 Re: Handbrake compensator modification
Pete before you do this try out your handbrake first.
If the balance mechanism is properly restored it should work perfectly fine. All 4 on my cars did and do, and our customers don't seem to have problems.
I suspect the problem starts with cars that haven't been restored and have rusty mechanisms.
If the balance mechanism is properly restored it should work perfectly fine. All 4 on my cars did and do, and our customers don't seem to have problems.
I suspect the problem starts with cars that haven't been restored and have rusty mechanisms.
Andrew.
881824, 1E21538. 889457..oops. Jezza the V12 XJS race car.
http://www.projectetype.com/index.php/the-blog.html
Adelaide, Australia
881824, 1E21538. 889457..oops. Jezza the V12 XJS race car.
http://www.projectetype.com/index.php/the-blog.html
Adelaide, Australia
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Topic author - Posts: 423
- Joined: Sun Aug 05, 2012 7:25 am
- Location: Canberra Australia
#7 Re: Handbrake compensator modification
Thanks guys, if I push both the levers on the callipers, and get a few more clicks, the handbrake works ok with 4-5 clicks at the handbrake lever but then after a short time the lever pulls to the top without holding the car. Would that be the ratchet mechanism failing? Also my cable is adjusted to the maximum. I did read somewhere about an improved cable. (JEC?)
Don’t really want to pull the callipers off so will try anything else first.
Cheers
Don’t really want to pull the callipers off so will try anything else first.
Cheers
Pete
61 FHC OGS
99 XKR FHC
03 BMW Z4 3.0 Roadster
62 BSA 650 Spitfire Scrambler (for sale)
61 FHC OGS
99 XKR FHC
03 BMW Z4 3.0 Roadster
62 BSA 650 Spitfire Scrambler (for sale)
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#8 Re: Handbrake compensator modification
Fair enough.peters3103 wrote: ↑Thu Nov 14, 2019 1:58 am
Don’t really want to pull the callipers off so will try anything else first.
Cheers
Andrew.
881824, 1E21538. 889457..oops. Jezza the V12 XJS race car.
http://www.projectetype.com/index.php/the-blog.html
Adelaide, Australia
881824, 1E21538. 889457..oops. Jezza the V12 XJS race car.
http://www.projectetype.com/index.php/the-blog.html
Adelaide, Australia
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#9 Re: Handbrake compensator modification
Hi Pete....have you followed the adjustment procedure fully as explained in the service manual....also are the pads very worn....Steve
Steve
1969 S2 2+2 & Building a C type replica
1969 S2 2+2 & Building a C type replica
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Topic author - Posts: 423
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#10 Re: Handbrake compensator modification
I’ll revisit the manual Steve, pads are reasonably recent ie 5000mls
Pete
61 FHC OGS
99 XKR FHC
03 BMW Z4 3.0 Roadster
62 BSA 650 Spitfire Scrambler (for sale)
61 FHC OGS
99 XKR FHC
03 BMW Z4 3.0 Roadster
62 BSA 650 Spitfire Scrambler (for sale)
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