Maintenance during the running-in:
• Check the level of and add, if neces-
sary, oil into the crankcase and cool-
ing fluid into the radiator;
• Drain condensate from the bottle of
the pneumatic system;
• Monitor the soiling of the air cleaner
against the pilot lamp;
• Check the working capacity of the en-
gine, controls, lighting and signalling
systems, the windscreen wiper and
the brakes.
Maintenance on completion of the
running-in (after 30 hours of opera-
tion of the tractor):
• Inspect and wash the tractor;
• Listen to the major parts of the tractor
during operation;
• Check and adjust, if necessary, the
tension of the fan belt, free travel of
the clutch and brake pedals as well as
the pneumatic system;
• Check the storage batteries and, if
necessary, clean the batteries, termi-
nals, wire lugs and vents in the plugs;
• Change oil in the engine crankcase,
air cleaner tray, casings of power
train, FDA and intermediate support;
• Grease the clutch shifter bearing;
• Service the dry-type air cleaner (MTZ-
900.3/920.3/950.3/952.3);
• Replace the basis filtering element of
the oil filter (MTZ-
900.3/920.3/950.3/952.3);
• Clean the centrifugal oil filter (except
for MTZ-900.3/920.3/950.3/952.3);
• Replace a filtering element of the hy-
draulic system;
• Flush a screen filter for pre-cleaning
of engine oil;
• Check and tighten, if necessary, the
external joints of the tractor compo-
nents, including the bolts of the cylin-
der block head and the bolts fastening
cardan shaft intermediate support
holder to the transmission casing (for
tractors with FDA), the bolts of power
train casings, rear wheel hubs, rotary
shaft holder and the nuts of the front
and rear wheels;
• Check and adjust the clearances be-
tween the valves and the rocker actu-
ators;
• Check the cooling fluid level and, if
necessary, add it to the radiator;
• Drain the deposit from the fuel coarse
filter and condensate the from pneu-
matic system bottle;
• Check and restore, if necessary, the
air tightness of the air cleaner and en-
gine inlet pipelines;
• Check working capacity of the engine,
controls and the windscreen wiper.
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