URAL Motorcycles 4320M, Operation Manual, Page: 54 / 321

53
1-radiator cap; 2-radiator filler neck; 3-fan casing; 4-water outlet connection; 5-outlet chute; 6-engine
steam outlet chute; 7-radiator steam outlet chute; 8-reserve tank; 9-reserve tank cap; 10-water inlet pipe to
the engine water pump; 11-water inlet pipe; 12-radiator rod; 13-water inlet connection; 14-radiator; 15-
radiator suspension frame; 16-charged air cooler
Figure 40 - Cooling System
The reserve tank 8 (see figure 40) and the reserve tank 2 (see figure 41) is dedicated for
coolant volume compensation at heating, for air and steam from the coolant removal. The cap 9
(see figure 40) and the cap 1 (see figure 41) of the reserve tank has two valves. Draining valve
opens at excess pressure in the system 65 kPa (0.65 kgf/cm
2
) and blows excess steam off to the
ambient air. Draining valve opens at negative system pressure of 1.0-1.2 kPa (0.01-0.012
kgf/cm
2
).