Model 55,75,90, & HMC FLEX-AUGER Installation
25
MA1702D
Restrictor Adjustment
Some Boots have Restrictors that may be adjusted for increased delivery capacities.
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 nuisance motor overload tripping and/or
damage to the system.
1.Loosen the tube clamp on the back of the Lower Boot to remove the Anchor and Bearing Assembly from the
boot.
2.Use extreme caution when working with the auger under tension. Springing auger can cause personal injury.
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.
3.Use a hacksaw to cut 1" (25 mm) at a time off the end of the Restrictor Tube to increase feed flow (See
Figure 26).
4.CAREFULLY remove the locking pliers while holding on to the Anchor and Bearing Assembly and auger
securely.
5.CAREFULLY allow auger to draw the Anchor and Bearing Assembly back into the Lower Boot. DO NOT
ALLOW THE BEARING TO BE SLAMMED BACK INTO THE BOOT.
Key Description
1 Cut off approximately 1” (25 mm) of the Restrictor Tube to
increase feed flow. Repeat as required.
Figure 26.Restrictor Adjustment Model 90 & HMC Only
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