2-20 OM 25-3503 us – Edition 4.1 * * 2503_3503b210_us.fm
Safety instructions
Dual Power option
Operating radius
• The power unit must be at the same level as the excavator.
• Do not pull the power unit with the hydraulic hoses.
• The operator must have permanent visual contact with the power unit.
• Do not travel across hydraulic hoses.
• The protective hoses must be located on the exavator side of the hydraulic hose and
must not be removed.
• Do not squeeze hydraulic hoses.
• Do not put hydraulic hoses over edges.
• Do not put anything down on the hydraulic hoses.
• Do not put the connecting cable over edges.
Position Function
A Hydraulic excavator 803
B Electrohydraulic power unit HPU8
C Minimum operating radius with connected power unit: 1.5 m/59 in
D Maximum operating radius with connected power unit: 10 m/33 ft
-- Minimum bending radius of Dual Power hydraulic hoses: 30 cm (12 in)
Fig. 74: Operating radius 803 with HPU8
A
B
C
D
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