Hallde SB-4 User manual

Service Manual
Blender SB-4
100 – 240 V Single Phase
Date:2016-03-17
Approved:Henrik Artursson

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Table of contents
GENERAL..................................................................................................................3
Installation, operation and cleaning...............................................................................................................................3
Tools....................................................................................................................................................................................3
Lubrication and thread locking......................................................................................................................................3
REMOVAL AND REPLACEMENT OF PART......................................................................4
Knife unit and knives.......................................................................................................................................................4
Coupling and Drive Shaft................................................................................................................................................8
Power Cord......................................................................................................................................................................11
Micro switch....................................................................................................................................................................12
Camshaft..........................................................................................................................................................................14
Knob pulse push button and speed control potentiometer......................................................................................15
Circuit Board..................................................................................................................................................................18
Motor................................................................................................................................................................................19
SERVICE PROCEDURES AND ADJUSTMENTS..............................................................22
Electrical Control Test Procedures..............................................................................................................................22
ELECTRICAL OPERATION .........................................................................................23
Component function.......................................................................................................................................................23
Component location.......................................................................................................................................................23
WIRING DIAGRAM....................................................................................................24
TROUBLESHOOTING ...............................................................................................25

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General
This service manual gives instructions for removal and replacement of parts including service
procedures and adjustments forthe Blender SB-4100–240 V single phase.
This service manual is prepared for the use of trained service technicians and should not be used
by those not properly qualified.
Installation, operation and cleaning
Refer to HALLDE User Manual.
Tools
Standards set of hand tools
Set of torx bits
Knife guard
Torque wrench
Lubrication and thread locking
Loctite 243or equivalent

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Removaland replacement of part
Knife unitand knives
1. Remove the jug from the machine.
2. Place the knife guard overthe knives.
3. Hold the knife guard in place and turn the jug upside down.

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4. Undo the coupling by hand.
5. Using a torque wrench or a spanner, undo thenut that holds the knife unit.

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6. Carefully push out the knife unit.
7. Place the knife guard over the knife unit.

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8. Undo the domed nut that holds the knives in place.
9. Assemble in reverse order.
Note! The orientation and positionof the knives.
Note! Tightening torque for domed nut that holds the knifes is 10 Nm (7.4 lb ft) and tightening
torque for nut that looks the knife unit to the jug is 7 Nm (5.2 lb ft).

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Note!Carefullyposition the knife unit using the notch on the jug.
Coupling and Drive Shaft
Note! Disconnect the electric power to the machine!
1. Remove the screw, the screw is looked with Loctite and could be difficult to remove.
Notch

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2. Remove the coupling and washer.
3. Remove 4 feet with screw, onecenterscrew and bottom plate frommachine.
4x feet with screw
1xcenterscrew

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4. Pull off the drive belt and remove three screws that hold the drive shaft.
5. Pull out the drive shaft.
6. Install the new drive shaft andassemble in reverseorder. Tighten the drive belt as described
under “Motor”.Use Loctite to secure the screw that holds the coupling in position.
3x screw for drive shaft
Drive belt

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Power Cord
Note! Disconnect the electric power to the machine!
1. Compress the cable retainer and carefully pull itfromtheback plate.
2. Removetwoscrews and pull out the back plate.

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3. Turn the machine on its side and pull out the back plate and circuit board.
4. Remove the lead wires from the circuit board.
5. Assemble in reverse order.
Micro switch
Note! Disconnect the electric powerto the machine!
1. Removetwoscrews and pull out the back plate.

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2. Turn the machine on its sideand pull out the back plate and circuit board.
3. Remove wires from themicro switch.
4. Remove two screws and pull out themicro switch.

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5. Installthe newmicro switch, be careful to position the two notches in the right position.
6. Assemble in reverse order.
Camshaft
Note! Disconnect the electric power to the machine!
1. Remove the micro switch as outlined in “Micro switch”
2. Carefully remove thecamshaft plug on the left side of the machine.
2x notches

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3. Carefully push the camshaft out using a screwdriver.
4. Install the new camshaft from the right side of the machine.
5. Install the camshaft plug.
6. Install themicro switchand assemble in reverse order.
Knob pulse push button and speedcontrol potentiometer
Note! Disconnect the electric power to the machine!
1. Remove the knob from the machine.
2. Remove the motor as outlined under “ Motor”

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3. Removetwoscrews and pull out the back plate.
4. Turn the machine on its side, disconnect the potentiometer and pulse push buttons wires
from the circuit board.

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5. Open the cable clips and pull out the wires to the potentiometer and pulse push button.
6. Remove the potentiometer.
7. Use a M10 spanner to the pulse push button.
8. Install new potentiometerand pulse push buttonand assemble in reverse order.
Potentiometer
Pulsepush button

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Circuit Board
Note! Disconnect the electric power to the machine!
1. Removetwoscrews and pull out the back plate.
2. Turn themachine on its side,disconnect the wires from the circuit board.

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3. Disconnect the circuit board from the back plate by compressing thefourquick connectors.
4. Install new circuit board and back plate in reverse order of assembly.
Motor
Note! Disconnect the electric power to the machine!
1. Remove the circuit board as outlined under CIRCUIT BOARD.
2. Remove 4 feet with screw, one screw and bottom plate from machine.
4x quick connector

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3. Remove drive belt, 4 screws and pull out motor with motorplate.
4. Installmotorin reverse order.
5. Attach the drive belt.Note! The drive belt must be properly aligned to the drive wheel.
Aligne the drive belt properly
4x screw