4-11Phaser 3635MFP REP 4.1Repairs and AdjustmentsDraft 4REP 4.1 Main BLDC MotorParts List on PL 4.10RemovalWARNINGSwitch off the electricity to the machine. Disconnect the power cord from the customersupply while performing tasks that do not need electricity. Electricity can cause death orinjury. Moving parts can cause injury.WARNINGTake care during this procedure. Sharp edges may be present that can cause injury.CAUTIONBefore performing this procedure, refer to General Disassembly Precautions, GP 10.1. Remove the left cover, REP 28.1.CAUTIONTake care to identify the connections to the Main PWB. The 4 pin connections are interchang-able.• CN4, 4 wires: 3 grey, 1 black.• CN5, 3 wires: 2 grey, 1 black.• CN17, 4 wires: 3 grey, 1 black.• CN18, not used.• CN38, 4 wires: 2 grey 2 black.2. Reposition the main PWB assembly to allow access the main drive assembly, Figure 1.NOTE: Disconnect harnesses as required to allow access to the main drive assembly.Figure 1 Main drive assembly access3. Remove 5 screws numbered 1 to 5, then remove the main drive assembly, PL 3.10 Item1.4. Remove 4 screws, then remove the main BLDC motor from the assembly, PL 4.10 Item 1.Replacement1. Install the main BLDC motor, PL 4.10 Item 1 to the main drive assembly using 4 screws.2. Install 5 screws numbered 1 to 5 to install the main drive assembly, refer to Figure 1.3. Reinstall the main PWB assembly.4. Replacement is the reverse of the removal procedure.2Move the main PWB to access themain drive assembly.1Remove 7 screws marked A.Main drive assembly
