Bulletin Manual 04/2013
Contents
1. SOLUTION CHANGING THE BLOWER WHEEL PARTS REQUIRED as needed per application 103491 Fan Wheel CCW 304 Stainless 103492 Fan Wheel CW 304 Stainless 2 Phillips Screwdriver T 15 Torx Security Screwdriver 7 16 Socket and Wrench 3mm Allen Hex Head Key Wrench Gear Pulley Ruler ACTION REQUIRED NOTE Only replace the blower wheel if the motor shaft and bearing are still functional Z CAUTION Ensure that the oven is off and has finished cooling down l 2 J 4 WN Disconnect power from the oven Remove the outer shell panel end bell to gain access to the electrical compartment Disconnect the blower motor assembly from the blower motor speed controller Remove the blower motor assembly from the oven see figures 1 through 5 page 2 NOTE For more information on removing the blower motor assembly please see the applicable service manual Lubricate the blower wheel set screw with penetrating oil and let set for three minutes Carefully apply the gear pulley to the motor shaft and blower wheel and remove the wheel from the motor shaft Clean the motor shaft and remove any debris from the motor mounting plate Install the blower wheel to the dimensions specified in Figure 6 Clean inside the blower cavity removing any debris 10 11 12 13 Install the blower motor assembly Connect the blower motor assembly wiring to the blower motor speed controller Reconnect power to the oven and2. verify operation Reinstall the outer shell panel end bell and return the oven to service NGC c3 NGO HHB Encore HHC3240 HHC2020 TDO TDO2 TSO Dimension A i3 i5 NGO Sota HhC 2020 A inches 2 365 2 730 2 365 2 678 A mm 60 mm 69 mm 60 mm 68 mm Figure 6 Blower Wheel Assembly TurboChef Confidential Material 2013 TurboChef Technologies Inc END OF PROCEDURE Page 3 of 3
3. I TURBOCHEF Field Service Bulletin a File FSB10108 Date __April 2013 REFERENCE NGC Replacing blower motor assembly z 3 TYPE OF ACTION REQUIRED REACTIVE z Perform the actions outlined in this bulletin when replacing a blower motor assembly or blower wheel X i5 DISTRIBUTION Xe Field support personnel HHB APPLICATION Encore All NGO Sota i3 i5 and HhC 2020 model ovens HHC3240 PROBLEM X HHC2020 Rusted or degraded blower wheels Noisy blower motor due to rusted wheel imbalance and bearing failure age SOLUTION ses Change affected blower motor assembly pages 1 2 As an alternate solution the blower wheel TSO may be changed page 3 instead of replacing the entire motor assembly CHANGING THE BLOWER MOTOR ASSEMBLY PARTS REQUIRED as needed per application i3 3209 3 Service Kit i3 and il Blower Motor Top Stainless i3 3209 4 Service Kit i3 And il Blower Motor Bottom Stainless i5 3218 3 Service Kit i5 Blower Motor Top Stainless i5 3218 4 Service Kit i5 Blower Motor Bottom Stainless HCT 3022 Service Kit HhC 2020 Blower Motor 2 Phillips Screwdriver T 15 Torx Security Screwdriver 7 16 Socket and Wrench ACTION REQUIRED Z CAUTION Ensure that the oven is off and has finished cooling down 1 Disconnect power from the ove
4. n 2 Remove the outer shell panel end bell to gain access to the electrical compartment see page 2 3 Disconnect the blower motor assembly from the blower motor speed controller INSTRUCTIONS CONTINUED ON NEXT PAGE TurboChef Confidential Material 2013 TurboChef Technologies Inc Page 1 of 3 I TURBOCHEF Field Service Bulletin iM File FSB10108 Date _ April 2013 4 Remove the blower motor assembly from the oven see figures 1 through 5 NGC NOTE For more information on removing the blower motor assembly please see the g applicable service manual 5 Clean inside the blower cavity removing any debris X i3 6 Install the new blower motor assembly a 7 Connect the new blower motor assembly wiring to the blower motor speed controller 8 Reconnect power to the oven and verify operation X NGO 9 Reinstall the outer shell panel end bell and return the oven to service HHB Encore HHC3240 X HHC2020 TDO TDO2 TSO Figure 5 HhC 2020 Left End Bell Blower Motor Access INSTRUCTIONS CONTINUED ON NEXT PAGE TurboChef Confidential Material 2013 TurboChef Technologies Inc Page 2 of 3 Field Service Bulletin ETT Teli 113 File FSB10108 Date April 2013 ALTERNATE
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