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torque settings?

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torque settings?

Postby Job on Mon Jun 29, 2009 9:51 pm

Does anyone have a list of the torque settings?
On the support network videos (abikesupport.ning.com) a little pop-up text tells you to refer to the manual.
In my 2008 a-bike plus manual there are no torque settings.

Where do I find them?

Job
Job
 
Posts: 33
Joined: Mon Jun 15, 2009 9:15 pm
Location: Amsterdam, the Netherlands

Re: torque settings!

Postby Job on Sun Aug 01, 2010 10:09 pm

Ok, i got this answer a while ago, but didn't get to extracting the relevant data from the xls file.
Here it comes!

First a picture with the location and description of the different fasteners (bolts and nuts):
fastener analysis.jpg
fastener analysis
fastener analysis.jpg (244.61 KiB) Viewed 4111 times


And the data itself:
torque wrench settings A-bike:
(source: A-bike support via http://www.abike-shop.nl)

1 self tapping brake lever mount locator, 3.5 x 7.5mm, self tapping screw
Hand tight
2. self tapping brake lever pivot, 3.5 x 7.5mm, self tapping screw
Hand tight
3. rear socket pivot pin, M5 x 16, socket head cap bolt, split spring washer
3.2 - 4.5 Nm, Loctite 248, 2 pivot washers
4. seatpost QR, M5 x 28, c/s socket head bolt, seat clamp QR barrel
~~2 Nm, Loctite 248,
5. main QR clamp, M5 x 28, socket head cap bolt, Quick release barrel
~~2 Nm, Loctite 248
6. mid brake cable clamp, AB106, socket head cap bolt, clear
3-5 Nm (up to 6.2 Nm if 10.9 graded)
7. casing fasteners, M4 x 20, socket head cap bolt, split spring washer not required if nyloc nut used, M4 Nylon insert
~3 N.m, no threadlock needed, rely on nylock (use Loctite 248 if not nyloc)
If nylock used then remove split ring washer to ensure proper thread engagement through nylock.
8. crosspiece, M5 x 50, socket head cap bolt, M5 Nylon insert nut
Try 3.2 - 4.5 Nm and adjust if necessary (up to 6), Crosspiece turned bearing - at least one full turn of thread stick out, do not crush tube
9. pedal, socket head cap bolt
25 Nm, Copper Anti Seize (CAS)
crank to fit pedal- needs tight fit - LH pedal is counter threaded.
10. noodle mount (clamp), 3.5 x 8mm, pan head self tapping screw, crank casing and front forks (left) AB0- 12,11
Hand tight, pan head needs to fit into fork and crank casing mouldings - needs to be very tight
11. frontwheel axle, M8x75, hex head bolt, flat washer - to fit in recess in front fork, M8 Nylon insert nut
10 Nm, after tightening ensure front wheel spins freely. Split spring washer not necessary with nylock
12. saddle pan screws, c/s self tapping screws
Hand tight
13. saddle retaining bolts, M5 x 40, combination head bolt, flat washer, M5 Nylon insert nut
5 Nm, Must not crush tube
14. seat stay to rear socket pivot moulding, M5 x 10, socket head cap bolt, split spring washer, seat stay pivot nut
3.2 - 4.5 Nm, Loctite 248, pivot washer
15. seat post QR clamp to seat stay, M5 x 16, socket head cap bolt, split spring washer, seat clamp nut
4.5 Nm, Loctite 248, ensure loctite doesn't get onto bearing surfaces of pivot
16. seat tube lower mount, M5 x 12, c/s socket head bolt, seat post pivot pin
2.5 - 3.0 Nm, Loctite 271
17. crank axle ends, M8 x 20, button head socket bolt, flat washer, crank axle
25 Nm, Copper Anti Seize (CAS)
18. crank clamp bolt, M8 x 30, socket head cap bolt, split spring washer, crank
23 Nm (adjust if necessary), Loctite 248, CAS can be used instead of loctite
19. cable clamp (brake band end), special non-spin washer, M5 x 4 mm high
2.5 Nm, small nut to not rub on wheel
20. rear axle, hex head bolt, split spring washer, drive axle
25 Nm (adjust if necessary), Loctite 248 can be used instead of CAS.
21. bearing holders, 3 x 7.5mm, self tapping screw, crank casing
Hand tight
22. brake band mounts, socket head cap bolt
2.5 - 3.0 Nm, Loctite 248
23. drive axle into hub
Not set, will tighten during test ride, Copper Anti Seize (CAS)
Could use threadlocker (strength??) to make it easier to remove axle bolts for change of tyre/inner tube, although this will make the rare change of drive axle more difficult
24. freewheel onto crank axle
Not set, will tighten during test ride, Copper Anti Seize (CAS), and use CAS for bearings onto crank axle
25. Layshaft assembly
120 Nm T.B.A.

notes:
Nm = Newtonmeter
c/s = countersunk
QR = quickrelease
Loctite 248 should provide initial difficulty to loosen with handtools
Loctite 271 should be extremely difficult to loosen by hand
do not use CAS for cranks onto crank axle
CAS = Copper Anti Seize
Loctite must be on the screw at the point it interfaces with nut when tightened correctly


And some personal notes:
-for readability i edited some of the given info, and left out irrelevant info.
-this data may not be appropriate for all Abike versions
-the document looked to me like a 'working version', not the final version
-i didn't check the data for correctness
So use it with common sense (there may be errors in it!)

Job
Job
 
Posts: 33
Joined: Mon Jun 15, 2009 9:15 pm
Location: Amsterdam, the Netherlands


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