I've just bought a knott KF13-C braked coupling for my trailer to replace a bradley.
The overun lever (sometimes called transmission lever) that connects to the brake rod has a large metal extension that faces downwards. See part 24 below and arrowed part on larger picture of the lever.
Nothing is attached to that extension, the handbrake and breakaway components being separate. (parts 22, 23 etc)
Can anyone tell me why that extension is there and what its function is?
All I can see at the moment is that in the event of the trailer becoming detached, that extension is going to dig into the tarmac and likely somersault the trailer before the brakes come on.
Second question, can anyone point me to a good description of how to fit a hitch lock and key to this coupling? (the ones I've seen so far are very brief and don't really even show where the lock goes, just something about punching out the roll pin.)
The overun lever (sometimes called transmission lever) that connects to the brake rod has a large metal extension that faces downwards. See part 24 below and arrowed part on larger picture of the lever.
Nothing is attached to that extension, the handbrake and breakaway components being separate. (parts 22, 23 etc)
Can anyone tell me why that extension is there and what its function is?
All I can see at the moment is that in the event of the trailer becoming detached, that extension is going to dig into the tarmac and likely somersault the trailer before the brakes come on.
Second question, can anyone point me to a good description of how to fit a hitch lock and key to this coupling? (the ones I've seen so far are very brief and don't really even show where the lock goes, just something about punching out the roll pin.)
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