Maintenance Services In Every 250 Hours Of Operation - Belarus 3522.5 Operator's Manual

6.4.3 Maintenance services in every 250 hours of operation

6.4.3.1 General guidelines
Perform the following operations, and the operations listed in the subsections 6.4.3.
6.4.3.2 Task 28. Maintenance of accumulator batteries
Maintenance shall be carried out in every 250 hours of tractor operation, but not
less than once in a month.
To carry out AB maintenance, perform the following actions:
- clean the battery from dirt and dust;
- check conditions of the terminals 2 (Figure 6.4.23) of the output pin connectors,
placed under the protecting cover "A" (Figure 6.4.23), and ventilating openings in plugs 1.
When necessary, grease the terminals with technical petroleum jelly and purge the venti-
lating openings;
- unscrew the plugs 1 of the filler openings of the accumulator batteries and check:
1. Check electrolyte level, refill the distilled water in order to increase the electro-
lyte level by 10...15 mm above the protective grid or up to the level of mark on the battery
case.
2. Check the degree of battery discharge by the electrolyte density and recharge
the battery if necessary. Degree of battery discharge shall not be lower than 50% in sum-
mer and 25% in winter.
1 – terminal of output pin connector; 2 – filler plug.
Figure 6.4.23 – Maintenance of accumulator battery
6.4.3.3 Task 29. Check of oil level in FPTO shaft gearhead
To check oil level in FPTO shaft gearhead, perform the following actions:
- place the tractor at the level horizontal ground, engage the parking brake and lock
the wheels against movement fore and aft by anti-recoil limit stops, excluding tractor self-
movement. The engine must be stopped.
- unscrew the level check plug 1 (Figure 6.4.24);
- oil level shall reach the lower edges of the threaded opening of the plug 1;
- if it is necessary, unscrew the filler plug 4 and refill a new oil up to the lower edge
of the level check plug 1;
- screw plugs 1 and 4.
282
https://tractormanualz.com/
3522.5-0000010 OM