artificer escribió:EXTERNAL CONTRACTING HANDBRAKE ADJUSTMENT
The handbrake adjustment is not difficult and this type of park brake system is very effective if properly adjusted.
One thing to be aware of is that many people have played with your vehicle before you and there is no guarantee everything is in place properly, is to specification and some bits may be missing altogether.
1. Check the operation of the handbrake lever and pawl locking mechanism. Note: When applying the h/b always turn handle ¼ turn (the same as you do when releasing) then turn back to lock when application is complete. This will save pawl wear and tear.
2. Establish that all cable attachments are in place, tight and that the outer cable is firmly secured at the firewall and other extremity.
3. Lubricate between the inner and outer cables ensuring free easy movement (this lube should be done on an ongoing service basis).
3. Disconnect the cable at the drum end. This ensures the cams (4) etc. are all in the off position.
4. Check the brake band is in place correctly, right springs and all hardware attached.
5. Elongated or oval holes and worn clevis pins (4&5) and such may need components to be removed and holes built up, re-drilled and pins replaced.
6. Anchor (1) is your first point to adjust and there are two things of importance: Clearance between transmission lug to band attachment should be no more than .005” if larger remove band and adjust this gap by squeezing in vice, gentle persuasion or other suitable method.
When fitted there is between .005” and .010” clearance drum to lining at that (anchor) point. Lock wire must not be overtightly attached or binding!
7. Adjust nut (2) until the lining just binds with the drum then;
8. Adjust screw (3) until the head engages on the band and the nut and locknut are just snug against the bracket (6). Clearance should be around .010” when this happens.
9. Back off Number 2 two full turns or give the lining approximately .010” clearance and the drum should turn freely.
10. Re-attach the cable and if it doesn’t match-up properly the cable outer cable positioning needs altering so everything lines up.
11. The original MB/GPW cable was not adjustable but by now most have had modifications done so that it can be.
12. This brake is meant for parking and should not be applied when the vehicle is in motion unless an emergency situation.
13. The faster you are going the harder they wrap on.
14. They are very effective and serious damage may result.
I have seen a truck tailshaft which looked like a corkscrew.
If you don’t have any hastles < 20 minutes.