Clarke CA90 32T, Service Manual, Page: 62 / 62

Wheel System, Traction 62 Service Manual – CA90 32T
Shop Measurements
Measurement at Pin Circumstances Voltmeter Reading
Curtis Controller Pin 18 Trigger On 4.5 volts DC
Trigger Off .7 volts DC
Curtis Controller Pin 17 Reverse On & Trigger On 37.1 volts DC
Reverse Off or Trigger Off 0 volts DC
Curtis Controller Pin 13 Any .42 volts DC
Curtis Controller Pin 5 Key On & Trigger On 37 volts DC
Curtis Controller Pin 4 Trigger On with Speed pot. at
minimum
4.6 volts DC
Trigger On with Speed pot. at
maximum
.43 volts DC
Curtis Controller Pin 3 Trigger On 4.5 volts DC
Trigger Off .7 volts DC
Curtis Controller M1 to M2 with
transaxle unplugged
Trigger On, Forward, at
Maximum Speed
26.6 volts DC
Trigger On, Reverse, at Maximum
Speed
- 13.9 volts DC
Transaxle amp draw Maximum Speed 1.9 amperes