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14
Table 2: Recommended cable sizes
Cable length
(pump to course computer)
Type 1 drive (12 V and 24 V)
up to 3 m (10 ft)
up to 5 m (16 ft)
up to 7 m (23 ft)
up to 10 m (32 ft)
up to 16 m (52 ft)
Type 2 drive 12 V
up to 5 m (16 ft)
up to 7 m (23 ft)
up to 16 m (52 ft)
Type 2 drive 24 V
up to 3 m (10 ft)
up to 5 m (16 ft)
up to 10 m (32 ft)
up to 16 m (52 ft)
Type 3 drive 12 V
up to 5 m (16 ft)
up to 7 m (23 ft)
up to 16 m (52 ft)
Type 3 drive 24 V
up to 5 m (16 ft)
up to 7 m (23 ft)
up to 16 m (52 ft)
Mechanical steering systems
If you are fitting the pump to a boat with mechanical steering you will
need to connect it to a secondary steering ram, along with a solenoid-
operated bypass valve. This bypass valve allows you to switch
between autopilot course control and manual steering.
To fit to a mechanical steering system:
•
Use suitable hydraulic pipes to connect the pump to the secondary
steering ram and a suitable reservoir.
•
Install the solenoid-operated bypass valve (part number:
M81167) across these pipes (as shown in Figure 9).
Connect the bypass valve to the CLUTCH terminals on the course
•
computer using at least 1.5 mm
Hydraulic Pump - Installation Guide
Cable gauge
Copper area
(AWG)
(mm
14
2.5
12
4
10
6
8
10
6
16
10
6
8
10
6
16
12
4
10
6
8
10
6
16
8
10
6
16
4
25
10
6
8
10
6
16
2
(16 AWG) copper cable.
2
)
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