SERVICEHANDBUCH - Knott Brake Company
SERVICEHANDBUCH - Knott Brake Company
SERVICEHANDBUCH - Knott Brake Company
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2. Balancing of <strong>Brake</strong>s [8]<br />
Adjust the length of the brake rod [6] (slight play by the overrun lever [4] is<br />
acceptable).<br />
Actuate Handbrake lever [3] and check the position of the balance<br />
� bars [9+10] –> perpendicular to the brake rod.<br />
If necessary correct the position of the balance bar [10] on the cables<br />
and on twin axle trailers where necessary the main balance bar [9] on the<br />
brake rod [6].<br />
Bild 3: KNOTT Radbremse<br />
Direction of drum rotation in forward direction<br />
3. <strong>Brake</strong> Rod [6]<br />
Adjust the length of brake rod [6] so that there is neither play nor bias -overrun<br />
lever [4] without play.<br />
Readjustment: Actuate the handbrake lever [3] several times and then gently<br />
pull the lever further in order to set the braking system up correctly. Check<br />
the position of the balance bar [9+10] – right angled position to the towing<br />
direction.<br />
Check the play on the brake rod [6] if necessary readjust the brake rod [6]<br />
so there is no play, but so that it is not under tension.<br />
Check the position of the handbrake lever [3].<br />
Overcentre handbrake lever – resistance should start approx. 10-15 mm<br />
above overcentre.<br />
Ratched handbrake lever - brake effect should begin at approx. the third<br />
tooth.<br />
Check the free running of the wheels with the brakes off.<br />
Final check:<br />
Check all bolts and joints (tighten hexagonal head bolts on transmission<br />
equiment) (Cables, calance bar, turnbuckle, brake rod...)<br />
Test run: If necessary carry out 2-3 test brakes.<br />
Sample brakes: Re-check the play on the overrun lever [4] if necessary<br />
readjust the length of the brake rod [6] so that there is no play – on service<br />
brakes a max. 2/3 overrun permitted.<br />
12 adjuster bolt<br />
13 cable inlet<br />
14 expander<br />
15 fixed brakeshoe<br />
16 sliding brakeshoe:<br />
consists of<br />
brakeshoe carrier<br />
and brakeshoe<br />
II. READJUSTMENT OF BRAKING SYSTEM<br />
Adjusting the brakes, this means balancing general lining wear after<br />
adjusting the brakes.<br />
Follow procedure as described under „set up braking system“, check<br />
play at the overrun lever [4] and if necessary readjust.<br />
Across flat dimensions of adjuster bolts [12]<br />
<strong>Brake</strong> size Across flats dimensions<br />
160x35 / 200x50 SW 17<br />
250x40 SW 19<br />
300x60 SW 22
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