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Simrad AP14, Руководство пользователя

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Simrad AP14 Скачать руководство пользователя страница 7

Page 13

Balanced

Unbalanced

Fig 4.1 - Hydraulic ram types

4

Installation - AP14H

Section 4 covers the installation of the AP14H
Hydraulic version. Please refer to section 5
for AP14R Rotary version installation instruc-
tions.

4.1 Pump Installation

The AP14H links a reversing pump into the exist-
ing hydraulic steering system on the boat using T-
fittings.  The pump reproduces the effect caused
by turning the helm, so the pilot can steer the boat
without attaching any device directly to the helm.

Confirm that the volume of the cylinder of the
hydraulic ram is within the capacity of the
SRP12 pump.  For the pilot to operate efficiently,
the cubic capacity of the boat’s ram must be less
than 250cc (15 in

3

).  With hydraulic systems the

ram size is related to the steering load.

• If the volume of the ram cylinder is not known
then an approximate calculation can be made for
a balanced cylinder (these have the rod emerg-
ing from both ends of the cylinder - unbalanced
rams have the rod emerging from one end only
- Fig 4.1).

Volume = 3.142 x S(R

2

- r

2

)

S

= Stroke length

R

= Cylinder bore radius

r 

= Push rod radius

If 

S

, 

R 

and 

r

are in inches, the volume will be in

cubic inches (in

3

).  If they are in centimetres, then

the volume will be in cubic centimetres (cc).

An ideal location for the pump is in a
gas/inflammable vapour free area, where it will
not be immersed in water.

The pump accepts hoses with 

1

⁄

4

in NPT fittings.

NPT to BSP adaptors are supplied with European
versions  to convert BSP hoses to NPT type if nec-
essary (Fig 4.2). 

• Try to keep hydraulic fluid loss during connec-
tion to the pump as low as possible - this will
help to reduce the time and effort required later
to bleed the system of trapped air.  

• Absolute cleanliness is essential - even the
smallest particle of dirt could clog the check
valves in the pump.

BSP System

NPT System

Fig 4.2 - SRP12 pump hose connections

Page 12

Fig 4.3 - Hydraulic pump & mounting dimensions

Components supplied -

M5 x 25mm st stl hex set screw 

x 4

M5 st stl plain washer

x 8

M5 st stl full nut

x 4

1

/

4

in(NPT) - 

1

/

4

in BSP adaptor 

x 3 

(European version only)

Содержание AP14

Страница 1: ...Manual Simrad AP14 Autopilot ...

Страница 2: ... Mode 2 5 Set Key 2 6 Dodge 2 7 Backlighting 2 8 Alarms 2 8 1 Off Course Alarm 2 9 Default Boat Speed 2 10 Adjusting Dodge Angle 3 Parameter Adjustment 3 1 Rudder Movement Gain 3 2 Seastate 3 3 Autotrim 4 Installation AP14H Hydraulic Drive 4 1 Pump Installation SRP12 4 2 Bleeding The Steering System 4 2 1 Two or Three Line Systems 4 2 2 Pressurised Systems 4 3 Linear Feedback Unit SLF12 4 4 Fittin...

Страница 3: ...ccurate and dependable steering in varying sea conditions with minimal current consumption The AP14 a state of the art autopilot system with many advanced features is simple to operate and occupies little space on the dash The keypad accesses all functions and pilot status is indicated clear ly in the backlit LCD display To ensure the best results from your autopilot it is essential that the unit ...

Страница 4: ...Mode The AP14 has an inbuilt interface which allows it to be connected to NMEA0183 compatible equipment such as GPS LORAN Chart Plotters etc Once connected the AP14 can steer using data from this source in addition to the compass allowing a highly accu rate course to waypoint To enter Nav Mode the pilot must be in Auto Mode and receiving waypoint or route data from the navigational receiver Press ...

Страница 5: ...o toggle the alarm on and off press and hold the Alarm FIg 2 8 Dodging to Starboard Press hold Fig 2 9 Selecting backlighting level Page 8 key Fig 2 10 The alarm icon will be displayed while the alarm is on If the off course alarm sounds press Alarm to acknowledge and disable the alarm The off course limit can be set from 10 60º Press Set see section 2 5 until ALARM appears at the bottom of the di...

Страница 6: ... take a minute or so to fully compensate after a major course change Fig 3 3 Seastate deadband Average Course Fig 3 5 Autotrim principle COURSE HELD WIND TIDE Autotrim applied C o u r s e W i t h o u t A u t o t r i m Page 10 Page 11 3 Parameter Adjustment The AP14 uses highly advanced steering soft ware which constantly assesses how the boat is being affected by the sea conditions By adjust ing i...

Страница 7: ...of the cylinder unbalanced rams have the rod emerging from one end only Fig 4 1 Volume 3 142 x S R2 r2 S Stroke length R Cylinder bore radius r Push rod radius If S R and r are in inches the volume will be in cubic inches in3 If they are in centimetres then the volume will be in cubic centimetres cc An ideal location for the pump is in a gas inflammable vapour free area where it will not be immers...

Страница 8: ... not important which way round the pump outlet connections A B are connected to the steer ing lines as the pilot automatically sets the correct polarity when the unit is configured 4 2 Bleeding The Steering System The hydraulic system should be bled according to the manufacturer s instructions Make sure the cor rect oil is used to fill the system If there are no manufacturer s instructions availab...

Страница 9: ...uence FLYBRIDGE 1 Helm CABIN 2 Second Helm ENGINE BAY 3 SRP12 Page 16 7 Turn the helm clockwise until the ram is fully extended 8 Open the bleed valve on the ram cylinder nearest to the extended ram If there are no bleed valves fitted to the cylinder loosen the nut connecting the hydraulic hose to the cylin der to allow the air to escape Do not com pletely undo the bleed valve or nut 9 Holding the...

Страница 10: ... Unit SLF12 measures the rudder position and can be installed on most types of boat including I O or Outboard dri ves It is important that the SLF12 is properly installed with the maximum possible stroke minimum 150mm 6 0 in or it will not give an accurate reading The SLF12 is mounted onto the hydraulic ram cylinder using two mounting saddles Fig 4 11 Make sure that the maximum stroke of the hydra...

Страница 11: ...e 20 Fig 4 14 Connecting control unit Length of Cable Run Under 5M 16 6Ft 5 10M 33 3Ft Cross Section Area 2 5mm2 4mm2 Conductor Type 50 0 25 56 0 3 AWG 13 12 Fig 4 17 Cable selection table Fig 4 16 Mounting Course Computer 4 6 Fitting Course Computer SCP12 Locate the course computer in a moisture heat and vibration free area somewhere between the boat s power source and the pump to minimise power ...

Страница 12: ...ecting the AP14 to the power supply always check that the pilot and the receiver are not connected to a different battery bank This is to avoid a possible voltage drop between the interfaced equipment which would render the equipment inoperative The receiver must be running an active route or waypoint for the Nav Mode function to operate While any NMEA0183 compatible receivers should interface wit...

Страница 13: ...to the boat the fol lowing basic requirements must be met 1 The boat must have at least one single cable steering helm Dual cable systems which are for high performance boats or boats over 11m 35 Ft cannot be adapted for the AP14R However the AP14R can be fitted to boats with two steering positions providing that one has a single cable helm 2 There must be a minimum of 250mm 10 0 in clearance behi...

Страница 14: ...nnected Fig 5 5 Fit take up tube to the exit port and replace retaining bolt Page 26 the drive unit and wind it in by turning the steering shaft The cable should wind into the drive unit and emerge through the exit port into the take up tube Fig 5 6 Push the cable outer retainer into the entry port and refit the retain ing bolt to hold it in place Position the drive unit behind the dashboard and b...

Страница 15: ...objects such as stereo speakers heating units etc If the boat has a metal hull this includes fer rocement the compass must be mounted above decks on a mast or pole between one and two metres 3 to 7 feet above deck When mounting make sure that the compass is the right way up and is level The compass unit can be screwed to a vertical bulkhead using the two No 6 x 3 4in self tapping screws provided I...

Страница 16: ...ting the AP14 to the power supply always check that the pilot and the receiver are not connected to a different battery bank This is to avoid a possible voltage drop between the interfaced equipment which would render the equipment inoperative The receiver must be running an active route or waypoint for the Nav Mode function to operate While any NMEA0183 compatible receivers should interface with ...

Страница 17: ...ent carrying cables or other magnetic electronic equipment to avoid deviation 3 Has the compass been mounted as near as possible to the centrepoint of the boat to min imise heel angle HYDRAULIC PUMP AP14H ONLY 1 Have the correct fittings been used 2 Has return line R been fitted from the pilot pump 3 Are check valves fitted if needed 4 Has the system been correctly bled of air 5 Is the tubing to t...

Страница 18: ...uto to engage the autopilot and lock onto the heading in calm conditions a constant heading should be held 3 Alter course to Port and Starboard the course change should be smooth without any sign of overshooting 4 Look back at the wake of the boat to get an indication of the steering performance over a dis tance of at least 3km 2 Miles If there is any evidence of snaking or S ing try decreasing th...

Страница 19: ...Low Gain AP14H only AP14R only Page 36 Page 37 7 Appendix 7 1 Advice On Operation When making course changes be aware of the effect of a large course change on the boat espe cially when travelling at high speed the AP14 will respond very quickly to any instructions so it is advisable to reduce speed before changing course This should particularly be remembered when approaching a waypoint in Nav Mo...

Страница 20: ...der the black cover of the SRD12 Drive Unit can be used to identify the potential source of the problem Flashes Diagnosis Fault Location 5 Control unit not connected SHC14 6 No compass data received SHS12 7 No compass controls detected SHC14 SHS12 SRD12 8 Compass calibration failed SRD12 Page 38 7 5 Optional Accessories The following optional accessories for the AP14H and AP14R are available from ...

Страница 21: ...cally Linear Thrust 175kg 385 lbs Max Torque 19 5Nm 170 lb in Speed 15 rpm Page 40 25 mm 1 0 in 65 mm 2 56 in 155 mm 6 33 in 7 7 Service Warranty This unit is guaranteed for 2 years from date of retail sale If it is necessary to have the unit repaired return it carriage prepaid to the agent in the country of purchase with a copy of the receipted invoice showing the date of purchase Where possible ...

Страница 22: ......

Страница 23: ...d Navico Star Lane Margate Kent CT9 4NP United Kingdom Telephone 44 0 1843 290290 Telefax 44 0 1843 290471 E Mail sales simrad navico co uk W O R L D W I D E M A N U F A C T U R E R O F M A R I N E E L E C T R O N I C S ...

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