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3522.5-0000010
РЭ
135
3.9.7 Adjustment of Brake Controls at forward motion
Check and adjust brake controls at forward motion in the following order:
1. Set the pedal pads 9 (figure 3.9.2) in one plane with a help of stop bolts 7, screw
them at depth 20±3 mm.
2. Adjust free travel of pedals 9 between 4 and 8 mm, that corresponds to clearance
between push rod and plunger between 1 and 2 mm, therefore do the following:
- open rubber cover;
- release locking nut fixing fork on push rod;
- set clearance between push rod and plunger between 1 and 2 mm (figure 3.9.6)
turning push rod;
3. Screw bolts 9 (figure 3.9.4) so that this bolts overhang 2 … 3 mm below bottom
part of lever 16 and fix them with locking nuts;
4. Fill and let brake fluid circulate through hydraulic system in the following order:
- fill tanks 5 (figure 3.9.2) of main brake cylinders 4 with brake fluid up to level "Max".
During circulation keep an eye on fluid level, level should not be lower than “Min”.
- clear from dust and dirt the bypass valve 17, take off caps of valves, put a tube on
bypass valve head of left operating cylinder and its free end put down in a transparent
tank with capacity not less than 0,5 l, that is half filled with brake fluid;
- interconnect pedals 9 with blocking lath;
- press 4 or 5 times interconnected brake pedals and keeping them in pressed con-
dition, turn the valve of the left operating cylinder by 1/2 … 3/4 revolution and after a full
pedal travel when some portion of fluid with air will comes out from the system,close the
valve. Press the pedal quickly, release smoothly! Repeat this operation some times as
long as all air comes out from system. Remove the tube from the valve and put on the pro-
tective cap. Bleed air in the same order in right brake hydraulic drive. Add fluid to both
tanks up to level "Max".
5. Unlock pedals by tightening (or unscrewing) of adjusting nuts 19 of rods 20. En-
sure movement of each pedal (110±10) mm by pressing with force of 300
N
with a differ-
ence between the pedals no more than 10 … 15 mm. Lock adjusting nuts 19 with locking
nuts 8. Interconnect pedals. The movement of interconnected pedals by force of 600N
should be within the limits of (110±10) mm;
6. Check reliability of pipelines couplings of brake control hydraulic system;
7. Check brake efficiency by tractor motion on dry surface with a concrete or asphalt
covering with disengaged coupling. In case of breaking delay by one of the wheels, tighten
adjusting nut 19 (figure 3.9.2) of corresponding brake rod.
ATTENTION: NONSTRAIGHTLINEARITY OF MOVEMENT DURING THE BRAK-
ING SHOULD NOT EXCEED 0,5 M!
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Summary of Contents for 3522.5
Page 1: ...BELARUS 3522 5 3522 5 0000010 OM OPERATOR S MANUAL 2011 https tractormanualz com ...
Page 9: ...3522 5 0000010 РЭ 10 https tractormanualz com ...
Page 335: ...3522 5 0000010 OM 336 Service bulletins https tractormanualz com ...
Page 337: ...3522 5 0000010 OM 375 Annex B compulsory https tractormanualz com ...
Page 338: ...3522 5 0000010 OM 376 Annex B obligatory https tractormanualz com ...
Page 339: ...3522 5 0000010 OM 377 Annex C obligatory https tractormanualz com ...
Page 340: ...3522 5 0000010 РЭ Annex D obligatory 378 https tractormanualz com ...