Hitachi G 18SH2, Технические данные и руководство по обслуживанию

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Fig. 2
4-2. Prolonged service life of the carbon brushes thanks to the new construction
The service life of the carbon brushes is 1.4 times longer than the current models thanks to the adoption of the
new carbon brush retainer construction. The service life of the carbon brushes is equivalent to that of the
competitors.
100 50
0
B
C
G 18SH2/G 23SF2
G 18U2/G 23U2
G 18SH/G 23SF
G 18U/G 23U
Coating of heat-resistant adhesive
4-3. Wear resistance of armature coil
Both ends of the armature coil are sealed with heat-resistant adhesive in addition to varnish treatment to minimize
wear of the armature coil caused by dust.
(a)
100 50 0
G 18SH2/G 23SF2
G 18U2/G 23U2
G 18SH/G 23SF
G 18U/G 23U
(b)
Fig. 3