Dingsheng Tiangong PY180H, Руководство по эксплуатации

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53
Fig. 56
3. Manually rotate the wheels and adjust with 22mm wrench at the shown
“Tightening” direction (See Fig. 56) till the wheels have been locked. (Here,
both brake shoes contact with brake drum).
4. Unscrew the adjusting bolt (Fig. 56/1) by about 3°at the “Release” direction;
in this way, the clearance between both brake shoes and brake drum will be
released to about 0.75mm.
5. Adjust the other brake; take notice that the rotating direction of adjusting bolt
(Fig. 56/1) is reverse.
8.6.2 Air release of hydraulic brake system
Fig. 50
Fig. 51
Note:
After changing oil for hydraulic tank, joints in pipeline become loosened
or damaged, the air in hydraulic system must be released. While the engine is running
and the hydraulic tank is filled up and bled as prescribed to bleed air in brake system.