Hog Slat Inc. Newton Grove, NC USA August 2021 44 Grow-FlexTM Feed System Restrictor Tube Adjustment Some unloaders have Restrictors that may be adjusted for increased delivery capacities. (See Figure 25) DO NOT ADJUST THE RESTRICTOR UNTIL THE SYSTEM HAS BEEN IN OPERATION AND THE SYSTEM IS BROKEN IN. THE MODEL 55 RESTRICTOR IS NOT ADJUSTABLE. Note: Feed delivery capacities are based on 40 lbs/ft.³ (640 kg /m³) feed density. Systems using lighter weight feeds may not be able to achieve the maximum capacities listed. Note: Always refer to the motor amperage nameplate when increasing the feed flow capacity. Exceeding the nameplate amperage may result in motor overload tripping and/or damage to the system. 1. Loosen the tube clamp on the back of the unloader to remove the Anchor and Bearing Assembly from the unloader. 2. Use extreme caution when working with the auger under tension. Springing auger can cause personal injury. 3. Pull enough of the auger out of the auger tube to allow the Restrictor Tube to be cut. Use locking pliers to hold the auger outside the boot. 4. Use a hacksaw to cut 1" (25 mm) at a time off the end of the Restrictor Tube to increase feed flow. See Figure 25. 5. CAREFULLY remove the locking pliers while holding on to the Anchor and Bearing Assembly and auger securely. 6. CAREFULLY allow auger to draw the Anchor and Bearing Assembly back into the unloader. DO NOT ALLOW THE BEARING TO BE SLAMMED BACK INTO THE UNLOADER. Figure 25. Restrictor Tube Adjustment - Models 75, 90, & HR ONLY. Key Description 1 Restrictor Tube Cut off approximately 1” (25 mm) of the Restrictor Tube to increase the amount of feed flow. Repeat as required.
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