Sumitomo F-70H, Service Manual

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Troubleshooting
27
Figure 3 Electrical Chassis
Replace the Electrical Chassis
Parts required: P/N F267109A for F-70H
P/N F267097A for F-70L
Tools required: Flat blade screwdriver
#2 Phillips screwdriver
Phillips torque screwdriver, 2.0 Nm (18 in. lbs.)
Needle nose pliers
Failures in the electrical system may make it necessary to replace the electrical chassis box
assembly or remove it to repair individual components. Perform the following steps to remove
the electrical chassis assembly from the compressor.
Fuses, FU-1,
FU-2, FU-3 PCB 1 with
Fuses, FU-4,
FU-5, FU-6
Motor Contactor
PCB 2