URAL Motorcycles URAL-4320-60, Руководство по эксплуатации

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1-casing; 2-valve; 3-seal ring; 4-rod; 5-piston; 6-cap;
7-scraper; 8-pusher; 9-collar; 10-outlet port; 11-plug;
12-control valve; 13,19-plug; 14,17-spring; 15-air
valve; 16-casing; 18-slide valve; B,C,D,E,F,G,K-
cavities;
а -compressed air supply; b-working fluid
supply
Fig. 31 - Air-hydraulic clutch booster
valve against the stop to the plug 19. The slide valve has an axial bore and a radial bore connect-
ing the cavities F and G.
The air valve 15 is pressed to the valve seat inside the casing by the spring 14, discon-
necting the cavity E from the cavity F. The unit bore system connects the cavity B with the cavity
F and connects the cavities C and G with the exhaust port. The cavities K and D are intercon-
nected with the bores. The piping connects the cavity K to the master hydraulic clutch release cyl-
inder through tapping in the plug 19. The piping connects the cavity E to the air tank through tap-
ping in the plug 13. The cavity E has the exhaust air output for the booster drive control.
5.2.1.4 Clutch pedal adjustment. When the system is fully pumped and there is no
compressed air in the pneumatic drive section, adjust in the following way:
- loosen the locknut 11 (Fig. 29) and tighten it against the stop into the pedal;
- move the clutch master cylinder 7 to the upper position in the oblong holes of the sup-
porting bracket 5;
- using the support 6 and the screws 3 fix the master cylinder;
- press the clutch pedal up to the stop;
- check when you release the clutch (it should be correct);
- if it is not, release the clutch by moving the master cylinder by 1/2 revolutions of the
support 6 and by loosening the screws 3;