Komatsu 37BF50111, Руководство по эксплуатации и техническому обслуживанию

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MAINTENANCE PROCEDURE
198
4.8.9.b CHANGING THE HYDRAULIC SYSTEM
OIL AND CLEANING THE SUCTION FIL-
TER
CAUTION
q
On machines filled with synthetic biodegradable hy-
draulic oil type HEES the oil must be changed after the
first 500 hours of operation and successively every 1000
hours, and in any case at least once a year.
WARNING
q
Lower the loader arm completely, lower the bucket to
the ground, stop the engine, release the residual pres-
sures from the work equipment circuits (by operating
the controls more than once) and lock the safety bars
(see "3.3.5 pos. 1 - SAFETY BARS").
q
Let the oil cool down until it reaches 40-45ºC before car-
rying out any maintenance operation.
q
Immediately clean any area dirty with oil.
q
Oils, filters, coolants and batteries are considered spe-
cial waste and must be collected and disposed of ac-
cording to the anti-pollution regulations in force.
Stop the machine on a firm and level surface, lower the equip-
ment to the ground, stop the engine and release the residual
pressures from the work equipment circuits by operating the
controls more than once.
Raise the engine hood (see "3.5.1 ENGINE HOOD") and open
the rear panel (see "3.5.2 REAR PANEL").
1 - Slowly loosen the filling cap (1) to release the residual
pressure from the tank and then remove it.
2 - Remove the lower plug (2) and let the used oil flow out
completely, gathering it in a container with suitable capac-
ity.
Use a 12 mm hexagon spanner.
RWA37070
RWAA13460
1
RWAA13410
RWAA10390
RWA34230
2