Panasonic EY7881 Instructions D'utilisation page 20

VII. USAGE
EN
SUGGESTION
1. If there isn't enough force pushing
down on the bit, the hammer may not
be able to blow in hammering mode.
This is to prevent the hammering mode
from operating with no load. Press
down harder on the bit to engage the
hammer and cause it to blow.
Always be sure to press down with
enough force when working.
2. In winter or in other situations where
the temperature of the unit is low (5°C
or below), the blow of the hammering
mode may be weaker than normal at
the beginning stage.
This is because the grease becomes
stiffer in low temperatures, increasing
friction.
If this should happen, operating
hammering mode with no load for
approximately 30 seconds and repeat
this 3 times. This will restore its blowing
power.
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