4 WELGER RP 202 • RP 220 • RP 302 • RP 320
2.4. Hydraulic system
Max. operating pressure of the hydraulic system
• 210 bar
When carrying out assembly work on the hydraulic system,
particularly when using accumulators (fig. 4):
• Depressurise the hydraulic system (control valve
set to “Lower”)
• Mechanically secure hydraulically operated
components (pick-up device, cutting unit) to
prevent uncontrolled movements.
According to DIN 20066, the period of use of a hose line,
including any storage period, should not exceed six years.
2.5. Protective guards
In order to comply with European safety regulations EN 704, the
manufacturer of machines is required since 01.01.95 to supply
fixed partitioned protective guards that are self locking but
require the use of a tool to be opened.
In order to open the protective guards on WELGER balers, turn
the hexagon head of the lock anti-clockwise with a 13 mm
spanner and pull the guard off the baler.
Observe the following order:
When opening:..................................first the upper cover (fig. 5).
When closing: ..................................... first the side cover (fig. 6).
To close, push the guard cover against the baler until the lock is
heard engaging.
The baler is never permitted to be operated with the
protective guards open!
fig. 4
fig. 5
fig. 6
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