Lewmar OCEAN & EVO® Electric/Hydraulic Winches ref B2303 Iss.14 | 15
Fig 5.1-1
OCEAN
EVO
®
Motor
Speeds
Port A Port B
46 45 1 A B
48 50 1 A B
50 - 1 A B
54 55 1 A B
58 - 1 A B
65 65 1 A B
68 70 2-3 A B
77 80 2-3 A B
88 90 2-3 A B
111 - 2-3 A B
5- Hydraulic System
5.1 Installation
NOTE: Hydraulic system installation is NOT covered in
this publication.
Lewmar hydraulic winches have been designed for
ease of installation and follow a straight forward
hydraulic and mechanical installation procedure.
Fig 5.1-1 shows typical hydraulic circuit for a winch
with the Lewmar Commander Power System or
equivalent.
The purpose of this manual is to provide the reader
with sufficient information to install and operate a
hydraulic winch. It assumes the reader will be familiar
with sailing cra, marine hydraulics, mechanical
installation and safety requirements. If in any doubt
consult a qualified marine engineer.
WARNING!
The installation of hydraulic systems requires a high
level of cleanliness. The ingress of dirt will danger-
ously impair the safe operation of the system and
cause premature wear of hydraulic components.
5.2 Hose types
NOTE: Hoses and connectors are not supplied.
For reliable operation and safety it is essential to use reinforced braid hose for connecting to the motor A and B
ports which conforms to SAE100R7 or ISO D1S3949 safety requirements.
The recommended hose sizes are:
• Up to 15m (50) 12mm (1/2”)
• Over 15m (50) 16mm (5/8”)
• Safe working pressure : see performance graphs section 6.
• Minimum recommended bend radius 150mm (6”)
5.3 Hydraulic drive unit
NOTE: Refer to your installed hydraulic system
manual for hydraulic drives.
This table refers to Lewmar Commander system port
connections only.
The Lewmar hydraulic motor ports are: A & B ports
½” BSP.
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