Specifications

202
Engine & Steering Controls
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Steering Components - Cylinders, Relief Valves
Aluminum Cylinders
Cylinders with aluminum barrels and end caps are designed for the smaller
boats (under 35 ft.) where steering loads are less than 10,000 in. lbs. of torque.
Cylinder barrel and ends are anodized T6061 aluminum. Cylinder rods are 303
stainless steel. All cylinders have replaceable wiper seals. There are four types
of mounting packages: tube mount for direct attachment to outboards and I/O's;
engine mount for outboards; ball joint mount for I/O's and inboards, and
universal mount for inboards. Cylinders are available in both balanced and
unbalanced versions. Balanced cylinders (rod protrudes through both ends of
the cylinder barrel) are preferred if you are adding an autopilot to the system.
Aluminum Cylinders Specifications
Type of Balanced or Displ. Output Force (lbs) Output Force (lbs)
Stock # Mount Unbalanced Bore Stroke (Cu. In.) 500 PSI Relief 950 PSI Relief
HYNK-6 Base Mount Balanced 1-1/2" 7-3/4" 9.0 ---
HYNK-10 Engine Balanced 1-1/4" 9-1/2" 7.5 --- 750
HYNK-11 Ball Joint Unbalanced 1-1/4" 9" 11 515 950
HYNK-12 Ball Joint Unbalanced 1-1/4" 7" 8.6 515 950
HYNK-13 Tube Unbalanced 1-1/4" 9" 11 515 950
HYNK-14 Tube Unbalanced 1-1/4" 7" 8.6 515 950
HYNK-18 Ball Joint Balanced 1-1/4" 7" 7 515 950
HYNK-19 Ball Joint Balanced 1-1/4" 9" 9 515 950
HYNK-51 Universal Balanced 1-1/2" 7" 10.2 730 1390
Dimensions
Stock # A* B C
HYNK-6 22.55 5.5 2.5
HYNK-10 25.6 5.5 2.5
HYNK-11 18.25 2.0 3.5
HYNK-12 16.25 2.0 3.5
HYNK-13 13.6 13.5 ---
HYNK-14 11.6 13.5 ---
HYNK-18 24.5 2.1 3.5
HYNK-19 28.5 2.1 3.5
HYNK-51 24.25 3.6 16.0
*with rod retracted. All ball joint studs are 1/2",
except rod end of K-11 and K-12 which are 3.8".
Relief Valves
These special relief valves are factory set for either 500
psi or 950 psi. They are intended to protect the system's
components and assist in purging air.
Dimensions
Stock# A B C
HYNMSV-19 ....... 3-7/8" .... 2-1/2" .... 1"
HYNMSV-21 ....... 3-7/8" .... 2-1/2" .... 1"
HYNMSV-35 ....... 4-1/2" .... 2-1/2" .... 1-1/2"
Relief Valves Specifications
Specifications
Relief
Setting Port Special
Stock # (psi) Size Notes
HYNMSV-19 ....... 500 ........ 1/4-20 NPT ........... ------
HYNMSV-21 ....... 950 ........ 11/4-20 NPT ......... Std. w/steering systems
HYNMSV-35 ....... 950 ........ 1/4-20 NPT ........... w/pilot check valve
Reservalves
The Reservalve combines the function of reservoir and relief
valve into a single component. The relief portion of the
reservalve is factory set at either 500 psi or 950 psi. Made of
T-6061 aluminum, the reservalve is complete with front or
top reading guage, fluid level indicator, and return line filter.
Relief valve is flowing thru style from either direction to
accomodate either portside or starboard mounting.
Dimensions
Stock # A B C
HYNRV-50 .......... 6" .......... 9-1/4" .... 4-1/2"
HYNRV-55 .......... 6" .......... 9-1/4" .... 4-1/2"
HYNRV-57 .......... 6" .......... 10-3/8" .. 4-7/8"
HYNRV-60 .......... 6" .......... 9-1/4" .... 4-7/8"
HYNRV-67 .......... 6" .......... 10-1/4" .. 4-7/8"
Reservalves Specifications
Specifications
Relief
Setting Guage Optional Special Notes
Stock # Capacity (PSI) Style Hand Pump
HYNRV-50 .......... 1 qt. ....... 500 ........ Top Read .............. No For 5/16" Nylon
HYNRV-55 .......... 1 qt. ....... 500 ........ Top Read .............. No For 3/8" Nylon
HYNRV-55P ........ 1 qt. ....... 500 ........ Top Read .............. Yes For 3/8" Nylon
HYNRV-57 .......... 1 qt. ....... 500 ........ Top Read .............. Yes For 5/16" Nylon
HYNRV-60 .......... 1 qt. ....... 950 ........ Top Read .............. No --------------------
HYNRV-67 .......... 1 qt. ....... 950 ........ Front Read ............ Yes --------------------