Hitachi L200 Series Service Manual page 45

There are several ways which depend on the scale of the housing cover.
scale (small) :
scale (middle):
Scale (small)
1.Remo ve the mon itor cover, front cover and rear cover.
When remov in g the mon itor cover, p lease remove the co mmun ication cab le
from t he front cover s ide.
mo ni tor c ov e r
ho us i n g
2.Insert the minus screw driver between the cooling fin and the housing, and unlock the tabs
(4 points at the left and right side) .
ta b1
ta b2
3. Remove the housing.
(200V class ) 0.2kW, 0.4kW, 0.75kW
(200V class ) 1.5kW, 2.2kW, 3.7kW
(400V class ) 0.4kW – 3.7kW
fr o n t c ove r
r e a r c ov e r
ta b 3
ta b4