Lowrance NAC-3 Autopilot Computer Network Pilot Installation Manual ACP - Page 73

Blue Size 3 Ram Installation Check List, Hydraulic Pumps, Rotary Drives, Rudder Reference

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BLUE SIZE 3 RAM INSTALLATION CHECK LIST 1.The base foot of the ram and pump have been firmly bolted into position 2.The Reservoir has been fixed to a bulkhead ABOVE the Ram and Pump. 3.The sealed reservoir transit cap has been replaced by the Breather cap supplied. 4.The Reservoir has been switched to the ON position allowing oil to flow between the reservoir and the pipe. 5.TAP ON POSITION IS IN LINE WITH THE PIPE. The piston rod can now be extended or retracted and the pump run. HYDRAULIC PUMPS: 1. Absence of oil leaks 2. Absence of air in the hydraulic steering ROTARY DRIVES: 1. No backlash or excessive slackness in chain .❒ RUDDER REFERENCE INSTALLATION 1. Base securely fixed to boat structure 2. Arm securely fixed to boss 3. Ball joint securely fixed to arm 4. Linkage has not been over extended 5. No slack or backlash in the linkage 6. Linkage does not foul when rudder moved hardover to hardover 7. Arm moves through at least 90° when rudder moved hardover to hardover (there must be at least 1 volt difference between the end stops 8. Ball joint securely fixed to quadrant/tiller.......❒ 5 - 4

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5 - 4
BLUE SIZE 3 RAM INSTALLATION CHECK LIST
1. The base foot of the ram and pump have been firmly bolted into
position
2. The Reservoir has been fixed to a bulkhead ABOVE the Ram and
Pump.
3. The sealed reservoir transit cap has been replaced by the Breather
cap supplied.
4. The Reservoir has been switched to the ON position allowing oil to
flow between the reservoir and the pipe.
5. TAP ON POSITION IS IN LINE WITH THE PIPE. The piston rod can
now be extended or retracted and the pump run.
HYDRAULIC PUMPS:
1. Absence of oil leaks
........................................
❒
2. Absence of air in the hydraulic steering
..........
❒
ROTARY DRIVES:
1. No backlash or excessive slackness in chain .
❒
RUDDER REFERENCE INSTALLATION
1.
Base securely fixed to boat structure
............
❒
2.
Arm securely fixed to boss
............................
❒
3.
Ball joint securely fixed to arm
......................
❒
4.
Linkage has not been over extended
............
❒
5.
No slack or backlash in the linkage
..............
❒
6.
Linkage does not foul when rudder moved hardover to hardover
......................................................................
❒
7.
Arm moves through at least 90
°
when rudder moved hardover to
hardover (there must be at least 1 volt difference between the end
stops)
............................................................
❒
8.
Ball joint securely fixed to quadrant/tiller
.......
❒