Belarus 1221.2, Руководство оператора

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BELARUS-1221.2/1221V.2/1221.3 Scheduled maintenance
264
Operation 33. Replace the oil filter of
the hydraulic system
Note: Perform subsequent replacements
of the oil filter in the hydraulic system
every 1,000 service hours.
• Remove the screws (2), cover (1) and
take out the filter element assembly
using the stop (4).
• Remove the nuts (3), stop (4) and
filter element (5).
• Wash the casing (6) in detergent
solution.
• Install a new filter element and
reassemble the filter performing the
operations in the reverse order.
• Install the filter assembly to the tank
of the hydraulic system, close with the
cover (1) and fasten with the bolts (2).
Operation 33a. Replace the HSU tank oil
filter
Replace the HSU oil filter proceeding as
follows:
• Unscrew the four bolts (7) (M6×16) and
remove the filter assembly;
• Unscrew the two bolts (6) (M6×25) and
disconnect the filter cover (8) from the
carrier (1);
• Remove the filter element (2), spring (5),
pressure relief valve assembly (4) and
O-rings (3), (9);
• Rinse the carrier (1) in a washing liquid;
• Install a new filter element and
reassemble the filter performing the
operations in the reverse order as
compared to disassembling.
• Install the filter assembly into the HSU
tank making sure that the seals (10) and
the seals between the carrier and the tank
are installed correctly. Tighten the bolts (6,
7).
NOTE: Perform subsequent replacements
of the oil filter in the HSU and hydraulic
system every 1,000 service hours.