Seaward 220 PrimeTest - Manual (Page 30)

Operating Instructions
Primetest 220
23
9.7.1 Disconnect the test lead from the measuring point.
9.7.2 Disconnect the mains cable from the
PrimeTest 220.
9.7.3 Remove the test lead from the PrimeTest 220.
9.7.4 Select the test function 0, power off position on the
rotary switch 11 .
9.7.5 Position the PrimeTest 220 face down and release
the captive screw in the battery compartment.
9.7.6 Remove the battery compartment cover.
9.7.7 Lift one end of the defective fuse out of the fuse
holder with the help of a flat bladed screwdriver.
9.7.8 Lift the defective fuse completely out of the fuse
holder.
9.7.9 Insert a new fuse as described and specified by the
text on the battery compartment cover.
9.7.10 Ensure that the new fuse is seated and centred
in the fuse holder.
9.7.11 Relocate the battery cover over the battery
compartment and fasten in position with the
battery cover captive screw.
9.8 Calibration.
To maintain the specified accuracy of the measurement
results, the instrument must be recalibrated at regular
intervals by either the manufacturer or an authorised
Seaward Service Agent. We recommend a recalibration
period of one year.
PrimeTest 220 REV 1 5/12/05 1:52 pm Page 28