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Hioki 3554 - Replacing the Fuse; Replacing the Test Lead Pin

Hioki 3554
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Industrial Batteries & Energy Storage
1300 734 253
sales@regalelectro.com.au
www.regalelectro.com.au
9.4 Replacing the Fuse
When the instrument’s fuse has burned out, replace it as described below.
To avoid electric shock when replacing the fuse, first disconnect the test leads
from the battery to be measured. After replacing the fuse, replace the fuse cover
and screws before using the instrument.
Replace the fuse only with one of the specified characteristics. Using a non-
specified fuse or shorting the fuse holder may cause a life-threatening hazard.
Fuse type: 216.315, Littelfuse, INC, fast-acting, F315mAh/250V, high breaking
capacity 1500A
1. Turn off the power to the instrument and remove the test
leads.
2. Using a Phillips screwdriver, remove the battery cover on the
rear of the instrument.
3. Remove the burned-out fuse and replace it with a new one that
meets required specifications.
4. Replace the fuse cover and tighten the screw.
9.5 Replacing the Test Lead Pin
The conductive-tip contact pin is replaceable. Replace the pin with a new one if it is broken or worn.
One-piece conductive-tip contact pins with a plastic pin base are available separately.
1. Turn off the power of the instrument and remove the cable.
2. Unscrew the cable lock to unlock the cable.
(The cable is locked by screwing the cable lock).
3. Hold the pin base so that the cable won’t rotate, and then rotate the grip to loosen it.

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