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INSTallaTIoN INSTruCTIoNS for huNTEr STK-1
Specification list for Installation Detail Drawings above
1.
Hunter ST173026B* composite box and 2-piece polymer-
concrete lid assembly with cast-in opening to support rotor
lateral thrust plus cast in opening with circular cover for quick
coupler access
2.
Optional - synthetic turf or running track material attached to
covers
3.
Finished grade set to field perimeter tack/glue board or as per
specification
4.
2"x 4" tack/glue board as per specification all sides
5.
Hunter STG-900 with rubber cover kit 473900 installed
6.
Hunter 239800 and 239300 rotor adapter fitting with 3 acme
pivot points
7.
Hunter ST2008VA prefabricated 2" PVC swing joint with
6 acme pivot points to provide multi-axis articulation and
alignment of rotor to the opening in enclosure cover
8.
Hunter HQ5RC quick coupling valve
9.
Lateral piping and fitting – 2" minimum as per specifaction
from control valve through to ST2008VA swing joint
10. SCH 80 PVC riser supply piping and fitting – 1" minimum
11. Acme threaded pivoting points (9 total)
12. 3/4" minus washed gravel
13. 5/8" x 30" rebar stake and stainless steel straping
14. Compacted field base material as per spcification
15. Provide drainage via access to field drainage system
16. Top of quick coupler set ½" below underside of enclosure cover
17. Gravel level 5" below underside of enclosure cover (to bottom
of rotor's compartment)
18. Elevation of swing joint's inlet – set second pivot point on
swing joint with bottom of enclosure per side view detail
drawing (26" below enclosure top)
19. Location of swing joint's inlet – set inlet at edge between
enclosure covers and locate 5" from the top of cover per top view
detail drawing. Inlet must not be set closer to rotor than shown.
20. Location of quick coupler inlet piping – measure inlet piping
location at top right hand corner of enclosure – 5" from top
edge and 5" from side edge.
* Enclosure Dimensions:
2-piece Cover – 17"x 30", Exposed Rim – 20"x 33",
Overall Height – 26", Base Pad – 27"x 41"
Installing the ST2008Va Swing Joint
The VA (vertical alignment) swing joint has six articulating pivot
joints (#11). Two more articulating pivot joints are added once the
rotor is attached to the valve assembly. The eight total pivots are
Acme threaded fittings with O-Ring seals. These pivot points do not
require sealing compounds or Teflon tape in order to create a seal.
The O-Rings in the fittings are designed to create the seal.
Prior to attaching the VA swing join to the inlet piping, all pivots should
be checked to make sure they will provide the needed movement
to allow alignment of the rotor to the hole in the enclosure's cover.
The goal is to have each pivot threaded in as far as it can while still
ENG
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