Brushes & Springs
Check brush spring tension, contact surface condition and brush length. Check lead clip and wire connections. Check condition of brush holders. See appropriate BRUSH SPRING TENSION & MINIMUM BRUSH LENGTH table below.
BRUSH SPRING TENSION & MINIMUM BRUSH LENGTH (HITACHI)
| Application |
Spring Tension Lbs. (kg) |
Brush Length In. (mm) |
| S114-486 |
3.5-4.4 (1.6-2.0) |
.43 (11) |
| S114-534 |
4.0-4.9 (1.8-2.2) |
.43 (11) |
| S114-630 |
4.0-4.9 (1.8-2.2) |
.43 (11) |
| S114-701A |
4.0-4.9 (1.8-2.2) |
.43 (11) |
| S114-701B |
4.0-4.9 (1.8-2.2) |
.43 (11) |
BRUSH SPRING TENSION & MINIMUM BRUSH LENGTH (MITSUBISHI)
| Application |
Spring Tension Lbs. (kg) |
Brush Length In. (mm) |
| M1T72088 |
3.1-5.7 (1.4-2.6) |
.47 (12) |
| M1T72985 |
3.1-5.7 (1.4-2.6) |
.47 (12) |
| M2T53883 |
3.1-5.7 (1.4-2.6) |
.45 (11.5) |
| M3T37783 |
3.1-5.7 (1.4-2.6) |
.45 (11.5) |
| M2T25281 |
3.1-5.7 (1.4-2.6) |
.45 (11.5) |