4. Installation
PNEG-2343 U-Trough Free Flow Unloading System 37
Bearing Eccentric Locking Collar Installation
The bearing on the polyshield plate assembly includes an eccentric locking collar. Complete the following
steps to lock the bearing onto the powerhead shaft.
1. Ensure the bearing assembly with eccentric locking collar (89) is assembled on the powerhead shaft
(91) as shown in Figure 4AX.
2. Using a hammer and a punch, lock the bearing onto the shaft by inserting the punch into the blind
hole (90) on the eccentric locking collar (89) and tapping punch with the hammer to rotate the collar
clockwise (matching the flight rotation direction) until it binds.
3. Secure the eccentric locking collar (89) in this position by tightening down the set screw (32).
Figure 4AX
Ref # Description
32 Set Screw
89 Eccentric Locking Collar
90 Blind Hole
91 Powerhead Shaft
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