Maintenance and service, 1 cleaning, 2 replacement of fuses – Boekel Scientific 260013-2 Polar Block User Manual
Page 7: Cleaning, Figure 2

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Specifications:
Well Temperature Range:
Typically -15
°C to -19°C or 35°C below
ambient temperature
Well Temperature Stability:
+/- 0.5
°C
Supply Voltage Range:
115V +/- 10%, 50/60 Hz
230V +/- 10%, 50/60 Hz
Power Rating:
Model 80086-972: 110 Watts, 1.42A
Model 80086-974: 110 Watts, 0.71A
8. Maintenance and Service
All Boekel laboratory products are designed to comply with IEC1010-1. No routine
maintenance is required.
8.1
Cleaning
Disengage power cord prior to cleaning. The outer casing may be cleaned with water and
a damp cloth. Do not submerge or immerse the P in water. Abrasive materials such as
paper towels may scratch the well cover or the plastic body. Do not use solvents to clean
the well cover or the plastic body. Before using any cleaning or decontamination method
except those recommended by the manufacturer, users should check that the proposed
method would not damage the equipment.
8.2
Replacement of Fuses
There are two supply fuses located in the fuse drawer. To replace the fuses:
• Disconnect the unit from the power supply.
• Remove the plug from the socket in the back of the unit.
• Pull back on the fuse drawer (see Figure 2).
• Pull out the fuse drawer.
• Check and replace with the correct fuses if necessary. The fuses must be
5mm x 20mm quick acting, rated 250V.
Model 80086-972:
2AF
Model 80086-974:
1AF
• Push the fuse drawer back in. Reconnect unit to the power supply.
Fuse
Drawer
Figure 2