245S3A М – 0000100 РЭ
3.2.21 Check of starter state
Every 1000 hours of engine operation do the following:
- check fastening bolts for tightening, tighten them if necessary;
- scrape wire lugs coming to starter terminals and accumulator battery and tighten
their attachments.
- Carry out preventative inspection and maintenance every 2000 hours of engine
operation
Remove the cap on commutator side and check the state of brush-commutator
group. The working surface shall be smooth and without significant burning. If the
commutator is contaminated or has significant burning traces, clean it with a napkin,
soaked in gasoline. When it is not possible to eliminate dirt or burning by cleaning, peel it
with fine emery cloth. If there some significant burnings on the commutator which are
impossible to clear, turn down the commutator.
Brushes shall freely move in brushholders and bear against the commutator. When
the brushes are worn out up to the height of 13 mm and when there are significant spalls,
replace them with new ones.
Bleed the brush-commutator group and cover on commutator side with compressed
air.
Check the state of contact structure of the starter relay. In case of significant
burning, peel contact bolts and contact plate with fine emery cloth or rusp-file, removing
asperity caused by burning and herewith not infringing flatness of copper bolt contact
surfaces. If the plate and bolts are significantly worn out, turn the contact plate over and
turn the contact bolts through 180º.
Check the drive for ease of moving on rotor shaft. At the moment when the relay is
being engaged and disengaged, the drive group shall smoothly move on rotor shaft splines.
Inner surfaces of the drive guide bushing (splined and flush), adjacent shaft parts
shall be cleared from thickened grease with chips getting from the crankcase which hinder
drive axial movement on the shaft splines when the gear engages flywheel gear rim. The
cleared surfaces shall be covered with thin layer of grease ЦИАТИМ-221 (ЦИАТИМ-
203, ЦИАТИМ-201).
Check the state of drive gear and thrust washers visually. The spacing between gear
face and thrust washers at engaged condition shall be 2…4 mm.
3.2.22 Maintenance of turbocharger
During operation it is not required to carry out a special maintenance of turbocharger,
its disassembly and repair are not permitted. Partial or complete disassembly as well as
repair are only possible in a specialized enterprise and after the turbocharger has been
removed from the engine.
Reliable and durable operation of turbocharger depends on compliance with rules and
maintenance periodicity of lubrication system and system of air purification, type of oil
recommended by manufacturing works, oil pressure control in the lubrication system,
replacement and cleaning of oil and air filters.
Damaged pipelines of oil delivery and drain and also turbocharger attachment
pipelines shall be immediately replaced. When replacing a turbocharger, pour clean engine
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