SERVICE (cont.)
AUGER SHAFT ASSEMBLY
Auger Motor Cover |
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Run Capacitor |
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Auger Motor Assy |
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Auger Shaft Assy |
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Ceramic Coating | |
Hopper Drum Seal |
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Auger Shaft Bushing | |
Cooling Drum Seal | |
Cooling Drum |
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FIG. 5 AUGER SHAFT ASSEMBLY | P1758 |
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Location:
The Auger Shaft Assembly is located in each of the cooling drums.
Removal and Replacement:
1.Drain, remove and clean hopper; refer to the Rec- ommended Daily Weekly Cleaning Section of this manual, for proper cleaning procedures. Discard the hopper/drum seal and faucet seal.
2.Remove the #8 locking screws securing auger motor cover to the cooling drum mount assembly; remove cover and set aside for reassembly.
3.Remove the #8 locking screw on the lower right side (viewed from front) of the auger motor mounting bracket securing the auger motor run capacitor. Set capacitor aside with wires attached.
4.Disconnect the auger motor terminal from the terminal on the main wiring harness.
5.Remove the remaining #8 locking screws securing the auger motor mounting bracket to cooling drum mounting bracket.
6.Remove motor with mounting bracket, split pin and torsion spring bearing as an assembly.
NOTE - When removing or installing motor and shaft assemblies, be sure the split pins are turned to a posi- tion that will clear the torque sensor circuit board.
7.Pull the auger shaft assembly straight out of cool- ing drum. Inspect the shaft for abnormal wear or scoring.
8.From the front of dispenser, remove the seal and blue bushing from cooling drum and discard them.
9.Clean seal and bushing surfaces of the cooling drum very thoroughly.
10.Refer to Fig 6 and slip new blue bushing into cooling drum.
Blue bushing
Do NOT get any Lube on this surface (between Drum and Bushings/Seals)
P1759
FIG. 6 AUGER SHAFT BUSHING
11.Place seal on insertion tool #28395.0000, as shown in Fig. 7. Make sure open face of seal is toward cooling drum.
12.Push seal into bore until it is firmly seated; remove tool.
13.Place a small amount of #29563.0000 “Krytox” lubricant (provided in kit in a plastic cap) on the end of the motor shaft (about 1 1/2”) and a thin film in the groove. Install auger shaft assembly onto the motor shaft. See Fig. 8. Do not use too much “Krytox” lubricant.
NOTE - This is the only place “Krytox” lubricant is used.
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