BELARUS-
1523/1523В
/1523.3
/1523В.3
Scheduled Maintenance
275
Procedure 57. Checking the Technical
Condition of the Starter
Turn out the screws (1) and remove the
cap (2). Check the condition of the com-
mutator (3), brush fittings, and easiness
of movement of the brushes (5) in the
brush-holders, and the pressure of the
springs (4) on the brushes.
The commutator working surface shall be
clean. The brush pressure shall be within
750...1000 gf.
If excessive wear and/or commutator
scorching are detected, send it to a
workshop for repair.
Procedure 58. Washing the Engine
Breathers
•
Remove the cases of the breathers
(1).
•
Remove the breathers from their
cases.
•
Wash the breathers in diesel fuel and
blow them through with compressed
air.
•
Reassemble the breathers and refit
them.
Procedure 59. Flushing the Engine
Cooling System
•
Prepare a solution of sodium hydrox-
ide (50...60 g of sodium hydroxide per
one litre of water);
•
Add 2 litres of kerosene into the
aqueous solution and fill the cooling
system with this solution;
•
Start the engine and let it run for 8...10
hours;
•
Discharge the solution into a suitable
container, flush the system with clean
water and fill with coolant, as de-
scribed in this Manual.
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