Belarus 921.6 Operator's Manual page 143

1 – bolt; 2 – panel of cab upper section; 3 – heater valve handle; 4 – cap.
Disconnect the drainage tubes 1 (Figure 5.4.8) from the heater-cooler 2 outputs, blow
off the tubes by compressed air and connect them again to the heater-cooler 3.
1 – drainage tube; 2 – heater-cooler outputs; 3 – heater-cooler.
Put the cab upper section panel back in its place, fasten it by four bolts, install caps
and heater valve handle.
Figure 5.4.7 – Opening the upper section
Figure 5.4.8 – Upper section
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921.6-0000010 OM