Grain Systems PNEG-900 - Manual (Page 30)

3. Installation
30 PNEG-900 Series 2000 Autoflow Fan/Heater and Control Installation Instructions
Drying Chamber High-Level Rotary Switch Installation
1. Drill a 2" diameter hole through the roof panel at the location shown in Figure 3R on Page 28 .
See component placement on Page 11 for proper placement in relation to fill auger.
2. Assemble 1/4" shaft to rotary switch with 1/4" coupler and rolled pins.
3. Screw 1-1/4" pipe coupler to bottom of rotary switch.
4. Insert 1-1/4" pipe through adjustable roof mount weldment. Leave 1-1/4" pipe sticking out the top of
the weldment 3" as shown in Figure 3T .
5. Install switch assembly through 2" hole in roof.
6. Install paddle to 1/4" shaft assembly with coupler and rolled pins.
Figure 3T