Advance acoustic ADVANCE RS 501, Руководство по обслуживанию

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SERVICE MANUAL ENGLISH
RS 501 33019746(2)2010-03 97
IMPIANTO IDRAULICO
HYDRAULIC SYSTEM
DESCRIPTION
The hydraulic system consists of three independent circuits, supplied by one tank.
The fi rst circuit is supplied by a variable delivery pump (21 cc), activated by the diesel engine. This pump activates two drive system
motors, which operate on the front wheels. The circuit is monitored by a pressure inlet (115).
The forward and reverse drive speed is adjusted by the drive pedal, which is connected to the pump.
The second circuit is supplied by a gear pump (14 cc), activated by the diesel engine. This pump activates the suction fan motor by
means of the distributor. The circuit is monitored by a pressure inlet (116).
The third circuit is supplied by a gear pump (9.6 cc) with priority valve, activated by the diesel engine. The circuit is monitored by a
pressure inlet (117).
This pumps, by means of the distributor, performs the following functions:
Side broom motor activation –
Hopper lifting and dumping –
Suction inlet lifting –
Rear wheel control hydraulic cylinder activation (by means of the oil taken from the priority valve). –
All circuits are protected by suction fi lters and safety valves.
NOTE
The hydraulic fi ttings is DIN type.