anual hy ulic steering installat and service manual
Contents
1. 53 2 12 5 75 4 00 184004 seen ILLUSTRATED PARTS BREAKDOWN Models K 1 K 2 K 3 See Note C Parts Description Item Description Cylinder Model Part No Qty S lt 1 Bracket K 1 670022 1 K 2 amp K 3 670042 1 20 2 Joint K 1 670051 1 K 2 amp K 3 670061 1 g lt 21 3 Pivot Pin K 1 670077 4 Suy K 2 amp K 3 670087 4 19 4 Screw K 1 240577 4 K 2 8 K 3 240667 4 5 Bracket K 1 670012 1 K 2 amp K 3 670032 1 6 Rod Wiper K 41 8 K 2 700088 2 K 3 700078 2 Item Description Cylinder Model Part No Qty 7 Back up Ring K 1 amp K 2 252210 8 K 3 252212 15 Back up Ring K 1 252125 2 8 0 Ring K 1 8 K 2 211210 2 K 2 252222 2 K 3 211212 2 K 3 252224 2 9 Cylinder End K 1 560281 2 16 O Ring K 41 211125 1 K 2 560301 2 K 2 211222 1 K 3 560291 2 K 3 211224 1 10 0 Ring K 1 211028 2 17 Nul All 270117 1 K 2 211030 2 18 Bail Joint K 1 K 28 K 3 211032 2 N K 3 B 670220 1 11 Tie Rod K 1 420271 4 19 Cievis 680261 1 K2 amp K 3 420281 4 ke u 680251 1 12 Cylinder Tube K 1 500191 1 680201 1 K 2 500211 1 20 Pin K 1 C 680097 1 K 3 500181 1 Ke c 680047 1 13 Nut K 1 270051 4 K 3 C 680067 1 K 2 amp K 3 270011 4 21 Cotter Pin K 1 K 28 14 RodAssembly 1 550390 1 c 290207 2 K 2 550420 1 Incorporated in Hynaulic Seal Kits No KS 11 for K 1 KS 12 K 3 550410 1 for K 2 and KS 13 for K 3 Note A Clean and secure with Loctite 630 Apply 32 34 ft ibs torque tor model K 1 602. Description The Hynautic H 20 Series Hydraulic Helm Unit is a bi directional fixed displacement axial piston pump coupledto pilot check and make up check valving The patented pump section utilizes seven pistons each stroked nine times with one shaft revolution pushing fluid thru a porting block into the valve section The valve section includes holding valves to prevent feedback and to isolate the unit and compensation valves to allow the use of unbalanced cylinders Clockwise rotation of the shaft discharges fluid thru the S port counterciockwise rotation effects P port discharge The R portis for the reservoirconnection Portsizeis Va NPTF Service pressure is 1000 psi maximum with proof pressure es tablished at 2000 psi Maximum speedis 120rpm Construction Exterior is corrosion resistant aluminum and stainless steel In ternal components ferrous metal porting block and cylinder barrel with ground mating surfaces hardened and ground steel pistons drive keys needle thrust bearings Buna N seals TFE COMPONENT FACT SHEET H 20 Series Helm Unit H 21 H 22 H 23 H 25 amp H 26 seal backups and piston glyd rings Other components are of fric tion and wear resistance materials to reduce operating torque andprolong life Performance Volumetric efficiency 90 at 1000 psi and 12 rpm Running torque vs pressure 700 Test Schematic Torque in ibs 1 4 SQR Key 51 4
3. 518 18 Patent No 3 482 525 Old Morse Taper 3 1 2 Taper Ft 1 Dia Pond Teleflex Taper 1 Taper Ft 3 4 Dia Alignment Notch on ball cage 4 Mounting Holes 3 8 16 Thd 1 2 Dp 3 1127 gt avin x LI Moser Pe eere ocu te P x x x 7 Printed in U S A ILLUSTRATED ing Oy ge If you disassemble the entire unit the ball cage No 20 must be properly aligned with the body spacer No 22 and valve body assembly No 8 Failure todo so will result in poor pump perform ance To insure proper timing Align the notched corner of the ball cage as illustrated with the cor ners of the body Spacer No 22 and valve assem bly No 8 using as a reference the two protruding WARNING PA RTS These Helm Units are manufactured under strict con trols and testing procedures Disassembly of item NO B will void any existing warranty It is recommendedthat the unit be returnedto Hynautic or the pointof purchasefor authorized repair and retest Parts Description Description Shaft Key Washer Bearing Race Retaining Ring Bail Cyi Barrel Assy Valve Body Assy Screw Gasket Nut Washer Washer Soc Hd Cap Screw Body Assy Front Cover Bearing Race thin Bearing thrust Bearing Race thick 0 Ring Bail Cage 0 Ring Bodv Spacer Seal Kit with spare O Rings Helm Models H 21 22 H 23 H 25 H 26 H 21
4. N seals COMPONENT FACT SHEET H 40 Series Helm Unit H 41 H 41 01 H 41 02 _H 42 H 42 02 seal backups and pistonglyd rings Other components are of fric tion and wear resistance materiais to reduce operating torque andprolonglife Performance Volumetric efficiency 90 at 1000psi and 12rpm Runningtorquevs pressure Test Schematic 800 600 Torque in lbs Ld ES 16APM_98 _ 400 Volume Efficieney 200 y Running Torque Efficiency at 1000 PSI 65 0 100 2 500 600 809 900 1000 Pressure PSI OTHER SHAFT CONFIGURATIONS ARE AVAILABLE UPON REQUEST Ya Sq 3 13 16 6 5 ed 9 WOODRUFF KEY A Patent No 3 482 525 34 10 UNC 5 18 UNF MORSE TAPER t Dia 3 2 ft Taper TELEFLEX TAPER X5 Dia 1 Taper 12700 Helm Unit HIHI H H Esa horse Taper Teete Taper x Faces OO x sl Printed in U S A ILLUSTRATED PARTS BREAKDOWN STA HITE aWICOR company Muna Hydraulic Systems and Products Parts Description Helm em Description Models PartNo Qty 1 Nut H 41 340041 1 H 42 340041 1 H 41 01 270071 1 H 42 01 270071 1 H 41 02 270037 1 H 42 02 270037 1 H 45 340041 1 2 Washer H 41 740011 1 H 42 740011 1 H 45 740011 1 d 3 Front Cover Assy H 45 900310 All Ot
5. SYSTEM SEEMS NOT TO BE PURGED WHEW IT HAD JUST BEEN PURGED THE DAY BEFORE Air Saturation nto the oil or ail foaming during the purging Process Re purge the system using just 20 30 psi ONE HELM UNIT TURNS THE RUDDER IN ONE DIRECTION WHILE OTHER STATION CS TURN IT IN THE OTHER DIRECTION Hydraulic lines F and S hooked up backwards af helm station Reverse lines going to P and on Station in error RUDDER DRIFTS EXCESSIVELY MUST CONTINUALLY CORRECT STEERING IN ONE DIRECTION WHEN INTERWAY Valve screws on relief value or reservalve are not tightened down Tighten valve screws down Internat leakage of the relief valve or reservealve Return unit to Hynautic for repair if a secondary relief valve has been added te the system it could be malfunctioning Secondary reliefs are used in some auto pilots Isolate the secondary relief and see if problem persists If the cylinder has had many seasons of usage the internal Seals may be worn and fluid 15 then being bypassed rithin the cylinder Return cylinder to Hynautic for repair LOSS OF FLUID AND PRESSURE IN THE RESERVOIR OR RESERVALVE Fluid leak in system Check al components and fittings in the System and repair as required LOSS OF PRESSURE BU NO LOSS OF FLUID IN THE RESERVOIR OR RESERVALVE Air leak in upper area of the reservoir or reservalve if loss is Over a long period of time just re pressurize the reservoir or reservalve to 20 30 psi If the loss is Over
6. 1 x 7 1 1 4 x 9 1 1 1 4 x 9 1 1 4 x 9 trax 1 1 4 x 1 1 2 x 9 1 12 10 1 15 x 10 1 12x 10 1 35 x 12 1 56 x 12 1 2 x 12 1 34 x 9 2x8 2x9 2x10 2x12 DISPLACEMENT WHEN PRESSURIZING THE HEAD END OF CYLINDER nanc mc Marine Hydraulic Systems and Products 181007 Rev 1 STA RITE a WICOR company 182004 dine inc REV 1 INSTALLATION INSTRUCTIONS MOUNTING THE K 1 K 2 K 3 AND K 4 CYLINDERS Marine Hydraulic Systems and Products Cylinder layout and dimensions are shown Figure5 2 The cylinder can he mountedin eithera Crosswise abeam direction or a lengthwise fore and aft direction to the boat 3 Selectthe diagram and dimensional data that best describes your particular installation see Figures 1 thru 4 The approximate rudder arc for each oftheindicatedinstallations is 70 degrees 4 The cylinder should he located in a position to insure an unobstructed pathway for flexible hose to go from the relief valve to thecylinder ports 5 The rudder arm or arms must have an unobstructed arc of travel with the rudder post packing allowing a free movement of the rudder arm and rudder 6 Itis most desirable to have a close filling hut free reamed dia clevis pin hole in the rudder arm This will assure long pin life 7 The rudder arm is connected directly to the balljoint on the end ofthe cylinder rod using a 32 dia pin avaiiable from Hynautic or fabricated
7. 22 H 23 H 25 H 26 ALL ALL ALL ALL H 21 H 23 H 25 H 22 26 ALL ALL ALL H 21 22 H 23 H 25 H 26 H 21 22 H 21 22 ALL ALL ALL ALL ALL ALL ALL ALL ALL ALL CAUTION bleed screws No 9 Part No 400057 400117 400167 400167 650047 650027 650027 650027 740078 190012 300046 234066 510080 510080 510080 510070 900220 240317 390028 340041 270071 270037 270037 740011 740037 240367 900300 190004 190001 190003 21 104C 620018 211039 900264 HS 02 a Diana LLL C Note The valve assembly is tested at Hynautic Replacement of individuai valve parts may producevalveleakageorfailure STA AITE a a WICOR company ane inc P O Box 908 Osprey Florida 34229 Telephone 813 966 2151 Marine Hydraulic Systems and Products 184002 Rev 1 Autopilot Integration Hynautic steering systems are compatible with most auto pilots Remember that the proper autopilot model to be used is a recommendation reserved for the pilot manufacturer They know our equipment and how it interacts with their com ponents Here are a few items to note when selecting an autopilot t Autopilot selection is usually based upon the hydraulic cy linder in use However sometimes boat size and to a les ser degree boat speed and steering geometry may be im portant 2 Theautopilot s power unit may be of two styles A a com plete power hydraulic unit
8. MET ppc A STA RITE INDUSTRY HUNa ITIC inc 182001 Marine hydraulic systerns and products INSTALLATION INSTRUCTIONS MOUNTING SERIES 20 AND SERIES 40 HEIM UNITS 1 Helm unit dimensions and layouts are given on the back of this sheet 2 The helm units may be mounted with the tubing por ts up down Or in any position The Shaft may be at an angle if so desired Verify after mounting that the he Im unit s shaft does not bind en the panel 3 A template is provided this may be used for locating the shaft and mounting holes Ifthis template is used the direction Of the tubing parts will correspond to the horizontal and vertical liner drawn on the template 4 For the helm unit s Shaft a 1 1 4 diameter hole provides the proper clearance FOUR 4 3 8 16 THREADED STUDS REQUIRED LENGTH 10 SUIT INSTALLATION MOTE STUD LENGTH NOT TO EXCEED 778 PLUS PANEL THICKNESS 5 Eh treme care must be taken to use the correct length 3 8 16 NF studs These are provided by the boat u ilder or owner and should not exceed the thickness of the console by more than 7 8 of an inch 6 The steering ports are marked S and P Rotating the steering wheel in a clockwise direction will pressurize 9 rotating it in the counterclockwise direction will pressurize P INSTALLATION INSTRUCTION TUBING i COPPER TUBING 932 wall thickness Copper tubing can be used on high pressure applications P S lines require 3 8 or 1 2 co
9. and replace the fill plug Repressurize until the reservoir ot level stabilizes and gage pressure reads between 40 45 psi Check all connections for leakage Go to the highest helm and bleed the air out of the P port and starboard lines by cracking Open the fitting connections Allow the air to escape until oil appears and then retighten Disconnect the levis or rod end of the cylinder from its engine or rudder mounting if at all possible making certain it is free to stroke without interference This will assist ir purging the air from the cylinder Bleed both ends of the cylinder by backing off the socket head c p screw bleeders one turn if the cylinder is not equipped with bleeders crack open the fitting Connections Hold the cylinder so bleeding will be performed on the highest end of the cylinder Allow the air to escape until oil appears and then close Verify that the reservoir is at least 314 full and the gage reads between 40 and 45 psi If oil level is below 1 2 full exhaust the air pressure through the air valve remove the fillplug refill and replace the filllplug Repressurize to 40 45 psi PURGING THE SYSTEM OF AIR 19 11 The following procedure is a process by which heim s and autopilot are sequentially operated to pump oil into the P port and starboard hydraulic lines displacing the air infiltrated oil ogt through the relief valve and into the reservoir where the air Separates from the oil Solid
10. in the system Steering cylinder assemblies are double acting either double rod end or single rod end types rigidly mounted ball joint mounted or univers1ly mounted Cylinder rods are non magnetic stainless steel Manual hydraulic steering can be used on any boat which can be steered manually Should a greater torque be required on the rudder than is Shown in the system performance data for the system received the rudder arm length may be increased This would increase the torque on the rudder but decrease the total rudder arc A second method Would be to increase the cylinder s bore size this would increase the system s output force the rudder arm length would remain the same but the helm turns would increase Another method would be to add a second steering cylinder in Parallel with the first steering cylinder to the system This ou ld double the turning torque or the rudder but it would 2150 double the number of turns from hardover to hardover Ifyou question the installation or application of aHynautic system contact Hynautic Inc P O Box 908 Osprey F1 34229 813 966 2161 INSTALLATION INSTRUCTIONS PREPARATION FOR INSTALLATION 1 Read the inrtallation instructions before any work is started Purging and Troubleshooting instructions have been included in the system box whiie component installation instructions have been packed with the specific component Missing instructions can be Obtained from your Hynautic distribut
11. K 17 Cylinders 670220 Ball Joint for K 1 thru K 5 Cylinders 670230 Ball Joint for K 11 12 18 amp 19 Cylinders 670240 Ball Joint for K 11 amp K 12 Cylinders Mount End 74001 1 Chrome Washer 1 Straight Helm Shaft 740037 Spacer 1 Straight Helm Shaft 860022 Air Pump R 07 Reservoir MISCELLANEOUS KITS HS 01 Helm Seal Kit Units with External Shaft Seal HS 02 Helm Seal Kit Unitswith Internal Shaft Seal HS 03 Helm Seal Kit H 41 amp 42 with External Seal HS 04 Helm Seal Kit H 41 amp 42 with Internal Seal HS 05 Helm Seal Kit For H 50 51 amp 52 Helm Units KS 01 Cylinder Seal Kit For K 11 thru K 17 Old Style KS 02 Cylinder Seal Kit For K 18 thru 20 KS 03 Cylinder Seal Kit For K 02 and H 1010 KS 04 Cylinder Seal Kit For K 22 thru K 29 to Aug 83 KS 05 Cylinder Seal Kit For K 31 thru K 33 KS 06 Cylinder Seal Kit For K 22 thru K 29 after Aug 83 KS 07 Cylinder Seal Kit For K 10 KS 11 Cylinder Seal Kit for K 1 KS 12 Cylinder Seal Kit for K 2 KS 13 Cylinder Seal Kit for K 3 KS 15 Cylinder Seal Kit for K 5 MCO 01 One Quart MIL 0 5606 Aircraft Hydraulic Fluid MCO 02 One Gallon MIL 0 5606 Aircraft Hydraulic Fluid MCT 01 Nylon Tubing 5 16 Dia 50 Ft Roll MCT 02 Nylon Tubing 5 16 Dia 100 Ft Roll HYNAUTIC INC P O Box 908 Osprey Florida 34229 Telephone 813 966 2151 10 87
12. oil from the bottom of the reservoir is then fed back to the helm and autopilot through the R line as needed The number of wheel turns specified below have been established for average tubing lengths of 0 feet between components If tubing lengths exceed 20 feet increase the number of turns by 2 for every extra foot Of tubing length Go to the highest helm and turn slowly 2 to 3 sec rev 60 times in one direction Repeat Step 1 at each successively lower helm and autopilot NOTE Purging air from an hydraulic autopilot is accomplished By setting course on the autopilot to the same direction you are steering the helm s If you are steering the helm s to the Starboard clockwise direction set a starboard course heading on the autopilot and allow it to run for 1 to 2 minutes Once more crack the bleeders at the cylinder If bleeders are not available crack the fittings at the appropriate ends and allow the air to bleed out Retighten when solid oil appears Check the reservoir pressure and oil level If oil level is below the half full nark exhaust the air pressure through the air valve remove the oil fill plug refill and replace fill Plug Repressurize to 40 45 psi Go to the highest helm and turn the wheel slowly 60 turns in the OPPOSITE direction Repeat at each successively lower helm and autopilot Close the two relief valve screws with pinned hex nuts by turning clockwise and snug with a wrench WARNING Loss of stee
13. with integral hydraulic pump or B an electromechanical power unit which is to be at tachedto a Hynautic H 29 or H 30 autopilothelm Autopilot systems with complete units are the simplest to install Those systems coupled to a Hynautic autopilot helmofferthegreatestflexibility inchanging performance 3 An autopilot system must have not only enough POWER to sustain the rudder resistance but also must supply a proper RATE OF FLOW which determines rudder speed 4 Any hydraulic autopilot added to a Hynautic system must incorporate a lock out valve either internal or external to the autopilot pump 5 Attachment of an electromechanical power unit to a Hynautic autopilot helm can be either with chain and sproc ket or by direct coupling Obviously direct coupling only allows a one to one ratio Sprockets are sized by teeth A 2 to 1 ratio would require a 20 tooth sprocket chainedto a 10 tooth sprocket or a 30 toothto a 15tooth etc 6 Mostautopilots have afeedbacksystemthat makes rudder correction proportionalto the headingerror With Hynautic steering systems this autopilot feedback device must be connected to the rudder or cylinder The steering wheel will not accurately indicaterudder position STA RITE a WICOR company CYLINDER NO K 24 K 18 K 12 K 14 K 10 K 19 K 13 K 11 K 16 K 1 K 22 K 25 K 27 K 26 K 28 K 29 K 2 K 32 K 3 K 31 K 4 BORE amp STROKE IN 1 2 x 5 1 1l 4 X 7 1 1 4 x 7
14. 3 i 1 i HELM MODEL SHOWN H 410R H 42 HELM UNIT SPECIFICATIONS 5 Port Clockwise Rotation Discharge P Port Counter Clockwise Rotation Discharge R Port Reservoir Service Pressure Maximum Shaft Speed Fluid 1000 psi 75 rpm Clean Petroleum Oil 50 to 200 5 4 5 8 HELM UNIT NO SH STYLE Straight eleflex Taper i ft Auto Pilot SHAFT gt HELM DISPLACEMENT 2 00 cu tin rev 2 75 cu infrer 4 00 cu in rev 5 50 cu in rev 2 HYN 740011 HYN 340041 1 8 X1 4 KEY HYNR 650047 3 8 16 UNC 1 2 DP MTG HOLES 4 INSTALLATION NOTE 1 ALL PORTS ARE 1 4 18 NPTF TUBING RECOMMENDATION 3 8 0 COPPER TUBING FOR R LINE AND E 0 0 COPPER TUBING FOR P g S LINES 100 F re E 182005 TIC inc Hydraulic Systems and Products INSTALLATION INSTRUCTIONS MOUNTING THE RESERVOIR R 06 R 07 AND R 08 i Mount the reservoir in an upright position where it will be easy to fill pressurize read the pressure gauge and view the fluid level indicators 2 INSTALLATION NOTE Yhile the reservoir can be located any Place in the boat system purging will be easier fit is near the helm units This is particularly important where long runs of tubing are involved as in very large boats houseboats and sportfirherman with tuna towers in these instances it is recommended tha
15. 5 cu in helm pumps P 65 lines are 1 2 dia and R lines 3 8 d a RELIEF YALYE NOTE I CH dm Flexible lines are required 2 pes Use Hynautic pe hose or the equivalent of 5 100R with 1000 psi working pressure CYLINDER STA RITE a WICOR company nadie inc Marine Hydraulic Systerns and Products STEM PURGING YHI RE RYO ND EPARATE EF VALVE ARE USED IN THE SYSTEM FILLING AND PRESSURIZING THE SYSTEM USE HYNAUTIC STEERING 011 OR LIGHT VISCOSITY HYDRAULIC OIL THAT MEETS THE AIRCRAFT HYDRAULIC FLUID SPEC MIL 11 5606 SUCH AS TEXACD 15 EXXON UNIVIS J 13 CASTROL AWH 15 CASTROL AERO 585 8 OR SHELL TELLUS 15 HEAVIER 0115 SUCH AS AUTOMATIC TRANSMISSION GIL TYPE A OR OEXTRON 11 MAY BE USED BUT YILL CAUSE HARDER STEERING Locate the two screws with pinned 1 2 hex nuts on the top of the relief valve Loosen and back off by hand turning Counterclockwise until they Stop Remove the hex plug fram top of the reservoir and fill vith oil to within 1 2 of the top replace the hex plug The reservoir is equipped with a tire type air valve Rny tire air pump or compressed air supply can be used to pressurize the system Slowly pressurize the reservoir to 40 45 psi AS pressure is applied oil will flow into the System Yhen the oil level drops to within 2 inches of the bottom of the reservoir stop pressurizing Exhaust the air pressure through the air valve remove the hex fillplug refill
16. 63 ft Ibs torque for models K 2 and K 3 Note B Clean and secure with Loctite 688 to thread area Apply 40 45 ft lbs torque Note C Clean and apply 75 78 lbs torque for model K t 160 165 tbs for models K 2 and K 3 same fl HUnauilIC inc Box 668 Osprey FL 33559 Tel 813 966 2151 e Telex 159129 Marine Hydraulic Systems and Products PRINTED IN U S A 9 85 Description The Hynautic H 40 Series Hydraulic Helm Unit is a bi directional dual element fixed displacement axial piston pump coupledto pilot checkand make upcheckvalving The Datented pump sections utilize fourteen pistons each stroked nine times with one shaft revolution pushing fluid thru porting blocksinto the valve section The valve section includes holding valves to prevent feedback dto isolatethe unit and compensationvalves to allow the use unbalancedcylinders Clockwise rotation of the shaft discharges fluid thru the S port counterclockwise rotation effects P port discharge The R portisfor the reservoirconnection Portsize is Ya NPTF Service pressure is 1000 psi maximum with proof pressure es tablished at 2000 psi Maximum speed is 120 rpm Construction Exterior is corrosion resistant aluminum and stainless steel In ternal components ferrous metal porting block and cylinder barrel with ground mating surfaces hardened and ground steei pistons drive keys needle thrust bearings Buna
17. 81001 INSTALLATIOR INSTRUCTIONS HOW AND WHY YOUR HYNAUTIC STEERING SYSTEM WORKS There are four basic elements to your Hynautic Steering System the helm the reservoir the relief valve and the cylinder In some Hynautic systems the relief valve has been mounted directly to the bottom of the reservoir with the complete assembly being termed a reservalve The steering station assembly Includes a hydraulic pump and pilot check valve assembly Rotating the ship s wheel move6 seven small Pistons in a rhythmic but controlled pattern There pistons in turn pump hydraulic fluid to the steering cylinder Internally located in the steering sender are two pilot check valve asresblier These isolate each Steering station from all others They also lock the rudder and eliminate kickback from the rudder to the steering wheel Extra hydraulic fluid and a pressure head for the system iS maintained by the reservoir or rerervalve The reservoir stores approximately two quarts Of hydraulic fluid the rerervalve Stores one quart under a pressure of 20 psi This prevents air from entering the system located on the reservoir or reservalve is an air valve and a pressure gauge which shows that the reservoir or reservalve is charged to the proper pressure The hydraulic fluid in the reservoir Or reservalve passes through a sintered bronze filter upon its exit from the reservoir or reservalve thereby preventing dirt from entering the system Hydraulic f
18. MOUNT K 1 K 2 K 3 6 K 4 11 K 4 8 FIGURE 4 DUAL CYLINDER INSTALLATION IN LINE MOUNTING K 1 K 2 K 3 8 K 4 10 FIGURE 5 DIA MTG HOLES IN 18 NPTF 2 PORTS BMAX A RETRACTED E B RETRACTED C T D BORE IN E CYL DISPLACEMENT CU IN CY NO A g c p E A C er ee ee EOM 750 U 2618 875 200 229 56 242 575 4 00 4 2444 3238 875 200 305 56 212 575 400 K 1 K 2 K 3 CYLINDER STROKE 9 0 IN K 4 CYLINDER STROKE 12 0 IN HELM UNIT 1 DUAL STATION STEERING SYSTEM HYNAUTIC INC BER HELM UNIT 2 E RESERVOIR 22 nee NOTE Bi TUS ne 1 When using 2 75 cu in rev helm pumps P amp S lines are dia and A lines are Ya dia 2 When using 4 0 or 5 5 cu inlrev helm pumps P 8 S lines are v2 dia and R lines are Ye dia Flexiblelines are required 2 pcs Use Hynauticsuppliechose or equivalent of SAE 100R with 1000 psi working pressure CYLINDER INSTALLATION INSTRUCTION SYSTEM PURGING 1 Fillthe reservoir to within 2 of the top Pressurize to 40 50 psi 2 Loosenvalvescrewsonthe reliefvalve Bleedboth ends of the cylinder until solid oil appears This is accomplished by loosening the hose connec tions at the cylinder
19. OWNERS MANUAL nat ane inc Osprey Florida 34229 Telephone 813 966 2151 MANUAL HYDRAULIC STEERING INSTALLATION AND SERVICE MANUAL MS 1150 1175 1200 SYSTEMS THIS MANUAL SHOULD BE KEPT ON BOARD YOUR VESSEL Te LIMITED WARRANTY POLICY PT na HYNAUTIC TRADEMARK PRODUCTS Sta Rite Fluid Power Group STA RITE 2WICOR company P O Box 908 Osprey Florida 34229 813 966 2151 The Hynautic Division of Sta Rite Industries Inc warrants that its manufactured pro ducts shall be free from defects in materials and workmanship for a period of twenty four 24 months from the date of original manufacture Hynautic will rebuild or replace at its op tion all products of its manufacture proven to its satisfaction to be defective within such war ranty period and returned to Hynautic transportation charges prepaid Hynautic s sole obliga tion and buyer s exclusive remedy hereunder is limited to such rebuilding or replacement No products may be returned to any Hynautic factory unless the prior consent for said return shall have been obtained from the Hynautic Customer Service Department in Osprey Florida This Limited Warranty does not cover shipping costs to and from the Hynautic fac tory any costs for labor or otherwise related to necio removal or replacement or any other costs of any nature without prior consent by Hynautic Parts products and accessories made by others are warranted only to the exte
20. a Short time period check for air leakage using KD 40 CRC or soapy solution Repair as required and re pressurize to 20 30 psi DAMAGED HYNAUTIC NYLON TUBING CAUSING FLUID LEAKAGE Tubing run across hot spat on engine or aqainst a sharp protrusion If tubing is readily available and the installation lends itself just run a new length of tubing However in most cases the tubing Mist be spliced together First cut the tubing at the damaged point the cut must be square Join the two ends tcgether with a 530115 Union and a CF 02 Fitting Package if tubing is 5 16 CD If tubing is 3 8 OD use Hyn 690951 Union Adaptor REPLACEMENT PARTS PART NUMBER DESCRIPTION 160012 Pressure Gauge 0 60 psi Bottom Mount 160041 Reservoir Air Valve 160042 Pressure Gauge 0 60 psi Back Mount 160103 Filter Element 170001 Rubber Boot 211010 O Ring for 5 16 Nylon Tubing 270037 Nut for Taper Helm Shaft 12 20 Thds 340041 Chrome Acorn Nut Helm Shaft 340051 Chrome Acorn Nut Trim Plate 380010 Reservoir Filter Plug Assy R 06 amp RV 60 380020 Reservoir Fill Plug Assy Complete with Air Valve 380030 Reservoir Filter Plug Assy for Nylon Tubing Return 530015 Nut 5 16 Nylon Tube 530025 Lock Ring 5 16 Nylon Tube 530045 Insert 5 16 Nylon Tube 530115 Union 5 16 Nylon Tube 650027 Woodruff Key for Taper Helm Shaft 650036 Square Key for 1 Straight Helm Shaft 670030 Ball Joint for K 22 thru K 29 Cylinders 670060 Ball Joint for K 16 and
21. a common problem on aluminum Cylinders This causes two things to happen first the fitting begins to bear down on the internal bearing distorting the bearing secondly it causes a fluid flow restriction SOLUTION Remove fitting and inspect bearing If a definite circular mark is evident the fitting has been overtigntenec Using a new fitting replace the fitting in question do not overtighten if Steering is stili stiff return the cylinder to Hynautic for bearing replacement Remember there is a bearing at end of a balanced cylinder PROBLEM CAUSE SOLUTION CAUSE SOLUTION CAUSE SOLUTION PROBLEM CAUSE SOLUTION CAUSE SOLUTION PROBLEM CAUSE SOLUTION CAUSE SOLUTION PROBLEM CAUSE SOLUTION PROBLEM CAUSE SOLUTION CAUSE SOLUTION PROBLEM CAUSE SOLUTION CAUSE SOLUTION STEERING 15 SATISFACTORY UNTIL IT IS ATTACHED TO THE RUBDER OR QUTDRIVE SYSTEY HE IT BECOMES STIFF Rudder post gland rings are to tight or rudder post is bent Steering linkages or out irives could also be mechanically binding Correct problem as required Cutdrive or outboard swivel bracket requires lubrication Lubricate per maintenance manual Tilt tube on Outboard or guide tube en outdrive has become corroded and the adapter rod has became or is becoming frozen in place Tilt and guide tuber must be thoroughly cleaned and regularly lubricated with a high qual
22. and retightening it when solid fluid is evident Single rod end cylinders bleed rod end first Goto highest helm and turn slowly 60 70 turns in one direction Repeat at successively lower stations 5 Again bleed at cylinder as inStep3 6 Goto top station and turn slowly 60 79 turns in the opposite direction Repeat at successively lower Sta tions Again bleed at cylinder as in Step3 Purging should becompleteatthis time Close valve screws on relief valve check turns H 0 to H 0 Leave system pressurize at 25 35 psi and reservoir half full HYNAUTIC INC P O Box 908 Osprey Florida 34229 Telephone 813 966 2151 STA RITE aWICOA company TC inc 181004 na Hydraulic Systems and Products INSTALLATION INSTRUCTIONS TROUBLESHOOTING GUIDELINES The Hynautic System on board your vessel is considered one Of the best hydraulic steering systems on the market today Over twenty years of development and customer satisfaction are behind the success of Hynautic and the systems it provides Each component in your Hynautic System has been thoroughly tested at the f ctory prior to shipment Helm units have been tested for volumetric efficiency and leakage Reservoirs and reservalves have been pressure tested for leakage over a set period of tine Relief vaives have been checked for leakage and factory set at the designated relief pressure Cylinders have been tested for leakage and operation at 1000 psi Another factor
23. by the installer Suggested attachment method is shown below WASHEHS 3 SELF LOCKING NUT 8 OPTIONAL CLEVIS INSTALLATION The use of a clevis on the cylinder s rod end is an option offered by Hynautic Ifa clevis is used there is no allowance for installation misalignment The cylinder and filler arm must swing together in the same plan There should be no binding and the clevis pin must he easily removed a any point throughout the rudder arm s travel Ifclevis option is used all cylinder length dimensions will increase by inch 9 CAUTION Careshouldbetakennottoknickorscratchthecylinderrodorleakagewillresult 10 With the cylinder attached to the rudder arm position the rudder arm in the midships position andthe cylinder in its centered position Now positionthe mounting bracket along the centerline as indicatedinthe installation figure you have selected 11 The mounting bracket should he thru bolted to a substantial member since it will have to withstand forces upto 2400 Ibs 12 CAUTION Dirt and foreign matter in the hydraulic system causes damage and malfunction Use extra care when installing fittings and attachinghoses Thread sealants may be usedwith due care 13 Cylinder ports are tapped with 14 18 NPTF threads 3 or 1 2 flare fittings should be used depending on the system being installed 14 Flexible hose must be used to connect the cylinder into the system Flexible hose must meet the SAE 100R specificat
24. double rod end tie rod constructed hydraulic cylinders Each has a universal mount which allows two planes of pivot freedom Each model cylinder may be equipped with either a stainless steel ball joint designatedwith the suffix B or a brass clevis with stainless steel clevis pin distinguished by the suffix C Porting is through two 3 4 NPTF holes at each end of the cylinder As installed ports should be located facing up to facilitate cylinder purge Construction Cylinder tube is seamless brass alloy 330 and ends are machined ASTM 8 16 brass The cylinder and ends are held in place by four tie rods of ASTM 8 16 brass The rod is ARMCO Aquamet 17 or equivalent stainless steel Top View K 1 K 2 K 3 Brass Cylinders Cylinders may be equippedwith either stainless steel ball joint or machined brass clevis Mount is cast manganese bronze with stainless steel bear ings and Grade 5 rated 12 13 stainless screws Seals are buna N type with TFE backup Rating 950 psi rated working pressure Proof pressure is established at 4500 psi Burst pressure is 6800 psi which is governed by tie rod strength Cylinder output force 950 psi K 1 1250 Ibs K 2 1850 Ibs K 3 2400 Ibs 34 18 NPTF 2 Ports Dia Mtg o0 Holes in A A Retracted B Retracted i Add for Clevis K 1 K 2 12 K 3z 50 T Side View K2 21 44 26 18 750 1 75 17 7
25. e the reservoir 1 2 to 273 full and et 20 30 pst SYSTEM CHECK AND FINAL PURGING It is recommended that you chetk the system and perform a short final purge after approx 24 hours After this time any leaks will be detected and any remaining small bubbler will have formed larger bubbler which are easily removed l Observe system for 01 leaks and reservoir gage for possible pressure loss NOTE It 15 Common to observe a 5 psi pressure fluctuation on systems that are subject to a temperature change of 200F or more I 2 Open the relief valve screws 3 Starting at the upper helm turn 40 turns in one direction repeating at successively lower helms Again in the same manner turn the helm s in the opposite direction 4 Close the relief valve screws and snug with a wrench 5 Verify that the proper number of turns hardover to hardover has been obtained Recheck the 611 level 1 2 to 2 3 full and reservoir pressure 20 30 psi NOTE If a line must be disconnected exhaust the air pressure from within the reservoir and remove the filler plug Then Open the relief valve screws to relieve all pressure in the lines After work completed reconnect lines and repurge the system of air HYNAUTEC STEERING SYSTEM PAL A AAA A CONFIGURED WITH SEPARATE RESERVOIR AND RELIEF VALVE BRA ELS Rd RN RESERVOIR SCREWS FOR PURGING RELIEF VALVE rabino COMPONENT FACT SHEET Description The Hynautic K 1 K 2and K 3 are
26. hers 900300 1 4 Bearing Race thin ALL 190004 2 5 Bearing thrust ALL 190001 2 6 Bearing Race thick ALL 190003 2 7 O Ring ALL 211040 2 8 Ball Cage ALL 620018 2 9 O Ring ALL 211039 4 10 Body Spacer ALL 900264 2 11 Key H 41 42 45 650047 1 Ail Others 650027 1 12 Shalt H 41 400187 1 H 42 400187 1 H 41 01 400197 1 H 42 01 400197 1 H 41 02 400227 1 H 42 02 400227 H 45 400187 13 Key short ALL 650076 1 14 Key long ALL 650026 1 15 Bearing Race ALL 190012 1 16 Retaining Ring ALL 300046 17 Ball ALL 234066 18 18 Cyl Barrel Assy H 41 510080 2 H 42 510070 2 H 41 01 510080 2 H 42 01 510070 2 H 41 02 510080 2 H 42 02 510070 2 H 45 510080 2 19 Body Assy ALL 900290 1 20 Plate ALL 520394 1 21 0 Ring ALL 211110 3 22 Valve Body Assy H 45 860031 1 All Olhers 860030 1 23 Rear Cover Assy ALL 710010 1 24 Soc Hd Cap Screw ALL 240367 8 25 Washer ALL 740078 1 A Seal Kit ALL HS 04 CAUTION Disassembly of item no s 19 amp 22 will void any existing warranty Ifyou disassemble the entire unit the ball cages No 8 must be properly aligned with the body spacers No 10 and body assembly No 19 Failure to do so will result in poor pump performance To insure proper liming align the notched corners of the ball cagesas illustrated with the corners of the body spacers and body assembly using as reference the porting ol the body assembly P O Box 908 Osprey Florida 34229 Telephone 813 966 2151 1RADOAR Rev 1
27. ion and have a 1000psi working pressure INSTALLATION INSTRUCTIONS TUBING 1 COPPER TUBING 032 wall thickness Copper tubing can be used on high pressure applications P 8 S lines require 3s or 1 compression or flare fittings R lines require v4 compression or flare fittings CAUTION Coppertubing should not beconnecteddirectlytothecylinder 2 HOSE High pressure hose may be used throughout your system Use either Hynautic supplied hose or the equivalent of Aeroquip 2651 SAE 1OOR with 1000psiworking pressure P 8S lines require 3 or 12 lines R lines require 1 4 INSTALLATION INSTRUCTION FLUIDS Use MIL 0 5606 Aircraft Hydraulic Fluid Texaco 15 Shell Tellus 15 SO Tellus 10 or Chevron EP Machine Oil 10 LIGHT VISCOSITY OILS ARE RECOMMENDED HEAVIER OILS WILLCAUSE SYSTEM STIFFNESS INSTALLATION INSTRUCTION HELM TURNS HELM TURNS HARDOVER TO HARDOVER K 4 HELM NO FIGURE 1 SINGLE CYLINDER INSTALLATION SINGLE HOLE TILLER ARM K 1 22 K 2 2242 K 3 2215 K 4 27 K 1 K 2 K 3 6 K 4 8 FIGURE 2 SINGLE CYLINDER INSTALLATION TIE BAR MOUNT X DIMENSIONS These should be determined by the instailer The ruie beingthe cylinder should be mountedon the rudder post side of the tie bar With the rudder in the hardover positionit Should be as close as possible to andparalleltothetiebar FIGURE 3 DUAL CYLINDER INSTALLATION PARALLEL
28. ity marine grease If this is not done the adapter rod can become frozen within the tube which can result in major repair costs STEERING IS EASY AT DOCK BUT BECOMES STIFFER AS BOAT 15 UNDERWAY System is inadequate to handle the boat Contact Hynautic with data on the vessel s rudder dimensions and bolt speed System may require replacement Of the cylinder with a larger unit or a second unit in parallel with the initial cylinder Steering wheel may be too small By using a larger diameter wheel the Operator increases his mechanical advantage thereby reducing the steering effort proportionally to the increase in the wheel s diameter Hyrautic s recommended minimum wheel diameters are shown below HELM DISPLACEMENT MIN REC WHEEL BER 1 65 cu in 15 in 2 00 cu in 15 in 2 75 cu in 18 in 4 00 cu in 28 in 5 50 cu in 32 in COMPONENT LEAKING FLUID FROY PARTING LINE ROD OR SHAFT Worn rod or shift seai Return unit to Hynautic for repair Unit should be returned for repair as quickly as possible Rod and shaft leaks will only get worse amd will not self correct Pinched or cut parting line o ring Return unit to Hynautic for repair TURN WHEEL ON ONE HELM UNIT AND THE WHEEL ON ANOTHER STATION ALSO THENS Dirt in pilot check valve assembly of free wheeling helm Return unit to Hynautic for repair HELM PUMPS IN ONE DIRECTION BUT NOT IN THE OTHER Dirt in the makeup check valve these valves are located interna
29. lly in the helm unit Return helm to Hynautic for repair Repair requires complete unit tear down which Hynautic does not recommend except by factory trained personnel Air stil in system Re purge system per the installation instructions HELM URIT SHOWS NO DEFINITE STOP IN EITHER DIRECTIONS it should be noted that after the operator has reached hardover that if constant pressure is maintained on the wheel that it will continue to rotate past the hardover position This is normal since a 100 efficient unit is most difficult to find The degree and speed of wheel movement 15 determined by the unit s efficiency However ifthe wheel is easily rotated then a problem could exist Valve screws on the relief valve or reservalve have been left open Close the valve screws Excessive air in the System Re purge the system per the installation instructions PROBLEM CAUSE SOLUTION CAUSE SOLUTION PROBLEM CAUSE SOLUTION PROBLEM CAUSE SOLUTION PROBLEM CAUSE SOLUTION CAUSE SOLUTION CAUSE SOLUTION CAUSE SOLUTION PROBLEM CAUSE SOLUTION PROBLEM CAUSE SOLUTION PROBLEM CAUSE SOLUTION HELM TAKES EXCESSIVE TURNS GOING FROM HARDOVER TO HARDOVER Air in system Re purge system per the installation instructions Incorrect helm displaement Verify helm number and helm displacement Check installation instructions and re verify turns hardover to hardover
30. luid from the reservoir or reserualve Passer into the system through check valves located in the helm pump Protection of both the mechanical portion of the rudder Should the rudder Strike 1 solid object and hydraulic system is handled by 1 relief valve assembly factory set at 500 or 950 psi The relief valve is connected between the steering cylinder and the reservoir in the case of the reservalve its mounted directly to the bottom of the reservoir Located in the relief valve are two small sintered bronze filters and as the unit relieves hydraulic fluid to the reservoir they filter Out any foreign material that may have been entrapped in the lines of the fluid This relieving feature allows air to be easily removed from the system by a constant rotation of the steering wheel in the same direction after it has reached hardover This action progreressively forces all the air out of the system through the relief valve and into the reservoir HYNAUTIC STEERING SYSTEM CONFIGURED WITH SEPARATE RESERVOIR AND RELIEF VALVE HELH UNIT HELM UNIT RESERVOIR RELIEF VALVE PURGING SCREWS CYLINDER HYNAUTIC STEERING SYSTEM CONFIGURED WITH RESERVALVE HELM UNIT RESERYALVE RESERVOIR SECTION RELIEF VALVE SECTION CYLINDER The relief valve reservoir relationship in the system prevents thermal expansion or contraction due to temperature changes from rupturing or causing air pockets
31. mpression or flare fittings R liner require 1 4 compression or flare fittings 2 HOSE High pressure hose may be used throughout your system Use either Hynautlc supplied hose or the u i equivalent of Aeroquip 2651 SAE 1088 with 1000 psi working pressure P amp S lines require 3 8 or 1 2 lines R lines require 1 4 INSTALLATION INSTRUCTION FLUIDS 1 Use MIL 0 5606 Aircraft Hydraulic Fluid Texaco 15 Shell Tetlus 15 ISO Teilus 10 or Chevron EP Machine Oil 10 LIGHT VISCOSITY OILS ARE RECOMMEDEO HEAVIER OILS WILL CAUSE SYSTEM STIFFNESS HELM UNIT 3 DUAL STATION STEERING SYSTEM HELM UNIT 2 i When using 2 75 cu in helm pumps P amp S lines are 3 8 d a and R lines 1 4 dia 2 When using 4 0 or 5 5 u in helm pumps P 6 lines are 1 2 dia R tines 3 8 dia RELIEF VALVE NOTE Flexible lines are required 2 pes Use Hynautic supplied hose or the equivalent of SAE 100R with 1000 psi working pressure CYLINDER HYNAUTIC INC nn 2 0 Pd nannn Talanhana 049 0282 011 MODEL SHOWN H 21 HYNETA0037 AER EXREIAORIL HYN 340081 D l 1 4 X1 4 KEY E HYN 650047 amp i63 3 41 1 4 18 NPTF TAS O UNC 2A MOOEL NO 3 8 16 MTG HOLES E HYN 270037 4 PLACES _3 2 30 THB NOTE SEE HELM MOUNTING MODERNO 8 TT TEMPLATE FOR MOUNT H 30 WOODRUFG 38 ING HOLE LOCATION HYN 740037 1 63 spe 3 1
32. nt of the original manufacturer s warranty to Hynautic This warranty shall not apply to acts of God war or civil insurrection nor shall it apply to products which inthe sole judgment of Hynautic have been subject to negligence abuse sanctioned racing events accident misapplication tampering alteration nor due to improper installation operation maintenance or storage nor to other than normal application use or service including but not limited to operational failures caused by foreign materials in the system or operation at pressures in excess of recommended maximums Purchaser shall be solely responsible for determining suitability for use of the Hynautic products Neither Sta Rite nor Hynautic shall in any event whatsoever have any liability with respect to such determination THE FOREGOING WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER WAR RANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITEDTO THE IMPLIED WAR RANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE HYNAUTIC SHALL NOT BE LIABLE FOR ANY CONSEQUENTIAL INCIDENTAL OR CON TINGENT DAMAGES WHATSOEVER NOTE TO CONSUMERS THIS LIMITED WARRANTY IS EXTENDED TO THE COMMER CIAL CUSTOMERS DEALERS AND INSTALLERS OF HYNAUTIC ONLY THE SUP PLIER NSTALLER WILL EXTEND WARRANTY COVERAGE TO YOU WHICH COVERS HYNAUTIC S PRODUCTS HYNAUTIC S WARRANTY TO SUCH CUSTOMERS DEALERS AND INSTALLERS WILL BACK UP THE WARRANTY EXTENDED TO THE CONSUMER 181002 REV2 1
33. or or Hynautic Inc Before installation is started verify that a complete system has been received It is recommended that all system components be installed prior to running the system tubing This allows the tubing to be run between two definite points with less chance of a hook up error If t is necessary for the tubing to be strung first a system of marking the different tubing runs Should be used DO not use any thread lubricant or sealer on the flared tube fittings When using thread lubricant on the pipe fittings take care not to induce the substance into the system Dry seal threads and high quality fittings are used throughout your Hynaut z system Do not use Permatex or Formatex or similar type thread sealants on the pipe joints when installing the fittings Should this seal nt be Introduced into your system a malfunction could result The only Sealant Hynautic recommends for pipe threads is Loctite Hydraulic Sealant 69 31 and Locquie Primer Grade T 47 66 Again this sealant should be used with caution and very sparingly CLEANLINESS IS EXTREMELY IMPORTANT Care should be taken to prevent chips or any foreign matter from getting into the components or tubing before of during installation Installation instructions have been made as complete but as brief as practical If you have any questions gont ct your distributor or Hynautic Inc HYNAUTIC INC P O Box 908 Osprey Florida 34229 Telephone 813 966 2151
34. ou rotate the ship s wheel if the torque is within Or below the indicated limits then Hynautic would consider the System to be operating satisfactorily it should be remembered that the torque En the wheel will increase as the loads on the rudder increase if it has been determined that the torque is in excess Of the above limits then review the following causes and solutions CAUSE High viscosity oil used in the system SOLUTION Drain fluid from system and replace with low viscosity petroleum based fluid Use MIL 0 5606 Aircraft Hydraulic Fluid Texaco 15 Shell Tellus 15 or an equivalent fluid CAUSE Restriction in the P or amp lines tubing or fittings SOLUTION Find restriction anb Correct When tubing is bent it can become kinked such a restriction can cause stiff steering CAUSE and S line size too small SOLUTION Refer to the installation instructions for the Correct size tubing to use with the Hynautic System Inadequate line size will definitely cause viscous loss and above average steering effort CAUSE Helm shaft binding on panel SOLUTION Adequate shaft clearance must be maintained for the helm shaft to pass thru the control panel CAUSE Cylinder is misaligned or improperly mounted causing internal binding SOLUTION Remount cylinder per the inrtallation instructions If the cylinder has been damaged return it to Hynautic for repair CAUSE Fittings in cylinder have been overtightened this is
35. ring will occur ifthe relief valve screws are not closed Yhen securing these screws with awrench do not apply heavy force or damage to the screw and relief valve will result Go to a helm Station and turn in one direction until hardover is felt 60 to the cylinder and open the bleeder or crack the fitting at the end of the cylinder that the rod is extended from closing when solid oil appears Again go to a helm Station and turn now in the opposite direction until hardover is felt So te the cylinder and bleed until solid oil appears at the opposite end of the cylinder previously bled and then reclose verification ot a complete purge is accomplished by rotating the helm and achieving within 1 2 turn the corresponding number of turns hardover to hardover shown on the chart below An excessive number Of turns indicates air in the system and Steps 1 10 must be repeated HYNAUTIC INC 1181006 P O Box 908 Osprey Florida 34229 Telephone 813 966 2151 HELM TURNS HARDOVER TO HARDOVER CYLINDER NO we 8 6 H 21 4 25 H 29l N so en 22 33 12 To verify relief operation and system DEI go to I helm and turn past hardover forcing oil over the relief valve for a turn or two at each hardover position A squeak may be heard IS the relief valve unloads 13 Secure the cylinder to the mounting structure to the engine or tiller arm Check the reservoir far fluid level and pressure Leav
36. t the reservoir be mounted forward high in the boat and close to the helm units it 3 It should be noted that the port on the bottom of the hexagonal filter plug is the supply port The line from this port goes to the helm units 4 The port on the bottom of the reservoir bady is the return port The line from this port goes to the relief valve 5 When tightening fittings at the reservoir use a backup wrench This will prevent distortion of the fitting assemblies on the reservoir 6 A complete set of purging instructions are affixed to the side of the reservoir Should an additional or replacement capy be required contact Hynautic Inc 7 CAUTION Dirt and foreign matter in the hydraulic system causes damage and nalfunction Use due care in piping and filling system Sealants may be used with care 5 j OIL 6 AIR FILLER PLUG GAGE 0 TO 60 PSI HYN 380020 HYN 160012 28 DIA MTG HOLES 4 ENOLCATOR FLUID ANA MINIMUM FLUID LEVEL FILTER ASSEMBLY HYN 380010 SUPPLY T TO HELMS 4 88 4YNAUTIC INC 20 Box 908 Osprey Florida 34229 Telephone 813 966 2151 INSTALLATION INSTRUCTIONS MOUNTING THE RELIEF VALVE MSV 19 AND MSV 21 1 The relief valve should be mounted above the cylinder in order to help the purging process 2 INSTALLATION NOTE You must have access to this valve for Purging Mount it where you can get at the brass screws 3 It is better to mount thts
37. that should be remembered is that Hynautic manufactures Manual Hydraulic Steering not power steering unless special ordered so the effort required to turn the wheel will increase as the system is called on to exert more force on the rudder Or outdrive At no time should one expect this system to turn as easily as car s power steering When turning the ships wheel the operator will became aware of rhythmic pulsing this is not a malfunction but is the general nature of the Hynautit pump due to its basic design At timer when coming Off the hardoyer position resistance is felt followed by distinct audible sound This should not be mistaken as a malfunc tion but is a normal situation caused by the releasing of the pilot check valve Problems with your Hynautic System will normally occur during or immediately after installation and are the result Of system contamination The following is listing of some common problems encountered and the likely Causes and fixes PROBLEM STEERING IS STIFF BOTH AT THE WCK AND UNDERWAY First determine whether the system is operating within the designed limits While the vessel is at the dock disconnect the cylinder from the rudder er outdrive With the system in this configuration the designed torque limits are as foilows HELM DISPLACEMENT TORQUE LIMITS 1 65 cu in 22 30 in lbs 2 00 cu in 25 35 in Ibs 2 75 cu in 35 45 in Ibs 4 00 cu in 50 65 in Ibs 5 50 cu in 70 90 in Ibs When y
38. valve with the brass screws up 4 WARNING After purging screw down the valve screws or the cylinder will be bypassed this will result in no steering 5 CAUTION Dirt and foreign matter in the hydraulic system causes damage and malfunction Use due care i n piping and filling system Sealants may be used with care 1 2 HEX BACK OFF FOR PURGING VALVES SETTING i E MSY 19 500 PSI 28 DIA MTG HOLES d E MSY 21 950 PSI 2 s R 2 06 w 1 4 18 NPTE o cats 3 PORTS ot hun 2 5 INSTALLATION INSTRUCTION TUBING 1 COPPER TUBING 932 wal thickness Copper tubing can be used on high pressure applications P amp 5 liner require 3 8 or 1 2 compression or flare fittings R lines require 1 4 compression or flare fittings 2 HOSE lt High pressure hose T used throughout your system Use either Hynautic supplied hose or the equivalent Of Aeroquip 2651 100R with 1060 psi working pressure P amp S liner require 3 8 or 1 2 liner R lines require 114 INSTALLATION INSTRUCTION FLUIDS 1 Use MIL 0 5606 Aircraft Hydraulic Fluid Texaco 15 Shell Tellus 15 180 Tellus 10 or Chevron EP Machine 011 10 LIGHT VISCOSITY GILS ARE RECOMMENDED HEAVIER OILS WILL CAUSE SYSTEM STIFFNESS 3 HELM UNIT 1 DUAL STATION STEERING SYSTEM HELM UNIT 2 NOTE 1 When using 2 75 cu in helm pumps P S liner are 3 8 dia R liner 1 4 dia When using 4 0 or 5
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