JohnBean B9800 - Chapter 4 Service; Introduction; Power Supply Cable: Check and Replacement; To Access to the Ibp Box

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CHAPTER 4
SERVICE
4.1 INTRODUCTION
This chapter will describe how to check and replace the components of the balancers described in Chapter 2 in the
same order.
NOTE: BEFORE OPENING THE MACHINE FOR SERVICE, DISCONNECT ELECTRICAL SUPPLY LINE AND USE
THE LOCKOUT / TAGOUT PROCEDURE.
4.2 POWER SUPPLY CABLE: CHECK AND REPLACEMENT
Ø : Voltmeter.
6 : 30’
i : Turning the machine on, the display or the display does not show anything.
Turning the machine on, the balancer makes the self test but the display does not show anything.
Turning the balancer on it showsC10800
Ø Go to C55 to check the power supply.
Ø Disconnect the power supply from the balancer or from the display.
Ø Using a VOM check for an output voltage at the end of the power plug, +/- 10%VAC VPI, compared to the
nominal.
Ø If there is not the correct output voltage the cable must be replaced.
4.3 TO ACCESS TO THE IBP BOX
Ø : Big and Medium Phillips screwdriver, scissors,
6 : 30’
i :
Ø Disconnect the power supply from the balancer.
Ø Remove the lateral screws from the weight tray.
Ø Lift the weight tray to access to the inside of the machine.
Ø Un-plug every harnesses from the power supply box marking each
one to ensure correct installation.
Ø From the rear of the machine remove the two screws holding the IBP
box.