Belarus 80.1 Operation Manual page 324

Figure 6.4.49 – Change of oil on bodies of FDA with bevel gear groups
- with the help of a grease gun for liquid lubricants, fill the hollows of upper bevel
pairs with oil up to the bottom edge of opening 4.
- place level/fill plug 3 (Figure 6.4.50) back to its place.
1 – cover; 2 – bolt; 3 – grease gun for liquid lubricants; 4 – level/fill hole of upper
bevel pair housing.
Figure 6.4.50 – Oil removal from upper bevel pair body
6.4.5.11 Operation 58. Change of oil in FDA master drive body, intermediate sup-
port of FDA cardan drive, FDA wheel gear group bodies
Note: The operation shall be performed only on BELARUS-820 tractor
Before changing the oil, warm up the oil in the bodies of FDA and intermediate sup-
port to normal operating temperature by driving the tractor.
Then place the tractor on a flat horizontal platform. The engine shall be shut down.
Apply the parking brake and put wheel chocks in front of and behind the rear wheels to
prevent movement of the tractor.
To change oil in the body of intermediate support, do the following:
- unscrew level/fill plug 1 (Figure 6.4.51) and drain plug 2 from intermediate support
body, drain oil into a special container for used oil;
1, 5 – drain plug; 2, 3, 4 – level/fill plug;
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80-0000010B OM