5. Operation
50 PNEG-1156ETL Design III Series Grain Stir-Ator CSA
Stir-Guard Option Installation Instructions
1. Disconnect power to the unit.
2. Remove the two (2) long swivel covers on the Stir-Ator yoke swivel housing.
3. For 230 volt units, remove the two (2) self-tapping screws on the top of the swivel yoke enclosure.
Position the solid state module #2EL1207 inside the top of the yoke swivel housing with the five (5)
terminals on the module pointing toward the Stir-Ator swivel. Bolt the module onto the yoke where
the self-tapping screws were removed using two (2) #8 x 1/2" screws and lock nuts.
4. Fasten the Stir-Guard assembly plate onto the swivel housing with the Stir-Guard contactor toward
the swivel, secure with the #8 lock nuts. (Do not loosen the nuts holding the components on the
Stir-Guard assembly plate.)
5. Place the two (2) small spacers onto the threaded studs welded in the swivel housing, next place the
Stir-Guard switch and mounting plate onto the studs with the roller switch toward the cog swivel ring.
6. Adjust by putting the switch roller on the peak of a swivel cog. (See Figure 5B on Page 49.) Move the
switch plate slowly inward until the roller switch clicks. After the click, move an additional 1/16", then
tighten. Rotate the swivel, be sure the roller switch rides in and out freely and the switch clicks ON
and OFF, as it passes over each cog. This is necessary for a pulse to be sent to the Stir-Guard timer.
Without a pulse every 45 minutes, the Stir-Guard will shutdown the Stir-Ator operation.
7. Connect the roller switch wires to the Stir-Guard solid state module, matching the wire color to the
module color coded markings.
8. Remove lead-in wires coming from the yoke pipe to the terminal strip EXCEPT THE GREEN WIRE.
Cut off the spade terminal and strip the installation back 3/8". Reconnect these wires to the top and
bottom lugs of the Stir-Guard contactor. (If 3 phase, connect the red wire to the center lug of the
Stir-Guard contactor.) Red wire is only used for 3 phase.
9. Connect the black jumper wires from the left side of the Stir-Guard contactor to the terminal strip.
(3 Phase will use the extra wire sent with the kit.)
10. Replace the swivel box covers.
11. Place the “STIR-GUARD” decals on the swivel covers over the “DMC” decal already on the cover.
DO NOT COVER THE CAUTION DECAL.
Storage
The Stir-Ator is an excellent tool to aid in the preservation of grain stored in the drying bin. Some
experimentation has been done with storage of grain in the 16% range by use of the Stir-Ator to prevent
formation of “hotspots” and insect hatchings. Such a program should be undertaken with caution and
frequent inspections should be made.
Users of the Stir-Ator sometimes want to utilize more bin capacity for dry storage by heaping dried grain
over the Stir-Ator. This is not recommended because the downward pressure of the grain on the Stir-Ator
when the bin is emptied could bend or break parts of the machine or collapse the roof of the bin.
NOTE: Warranty will be voided if Stir-Ator is covered with grain.
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