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Seastar Helms: Front/Rear Mount Helm Dimensions

Now fitted
with Positionable
O-ring fittings
6-6
Selection Guide
Front/Rear Mount Helm
Dimensions
3" DIA.
(76 mm)
FILLER PORT 3/4" STANDARD TAPER
ORB PORTS (4)
1/4" NC STUDS(4)
3-15/16"
(100 mm)
1-15/16"
(50 mm)
2-5/8"
(67 mm)
6-1/16" (155 mm)
4-7/16"
(113 mm)
2-5/8"
(67 mm)
FRONT MOUNT HELM PUMPS
REAR MOUNT HELM PUMPS
WOODRUFF KEY
DASH SECTION
3/4" STANDARD
TAPER
BEZEL
ORB PORTS (4)
3" dia
(76mm)
6.25"
(159mm)
3.5"
(89mm)
FILLER PORT
REQUIRES 3/4" HOLE TO
BE DRILLED INTO DASH
5/8" NF
THREAD
(115mm)
4.5"
Max. steering wheel diameter 28" (711mm).
NOTICE
NOTICE
Max. steering wheel diameter 28" (711mm). Min. dash thickness 1" (25.5mm), Max. dash thickness 1.5" (38mm).
1" straight and tapered
shafts are also available
see page 6-4 for details.
NOTICE
1" straight and tapered
shafts are also available
see page 6-4 for details.
NOTICE
ALL SeaStar helm pumps can be mounted horizontally to vertically
and anywhere in between. In ALL cases the filler port must be in
the uppermost position.
NOTICE
HELMS
-3 helm pumps are fitted with Positionable O-ring style hose fitting ports
(commonly referred to as ORB). Do NOT attempt to install an NPT pipe
fitting into a -3 helm hose fitting ports. Doing so will lead to irreparable
damage to the helm. ONLY use SeaStar Solutions O-ring style hose
fittings (ORB).
CAUTION