Minuteman ER26 Service Manual page 4

1. Cautions
• • Always disconnect the A.C. Cord from the outlet and and D.C. Cord from the Always disconnect the A.C. Cord from the outlet and and D.C. Cord from the
battery pack before servicing the machine. Except for making voltage and battery pack before servicing the machine. Except for making voltage and
current measurements. current measurements.
• • Before replacing or disconnecting any electrical componets, disconnect the Before replacing or disconnecting any electrical componets, disconnect the
battery pack from the machine first. Failure to do so could cause a short battery pack from the machine first. Failure to do so could cause a short
circuit. circuit.
• • After any repair work test the machine for proper operation. After any repair work test the machine for proper operation.
• • When servicing the machine always observe the general safety and accident When servicing the machine always observe the general safety and accident
prevention guidlines. prevention guidlines.
• • Do not attempt to power up the controllers with battery chargers. Permanent Do not attempt to power up the controllers with battery chargers. Permanent
damage will occur to the controller. damage will occur to the controller.
36 volt chargers usually have an output in excess of 48 volts. 36 volt chargers usually have an output in excess of 48 volts.
• • Use only Minuteman approved battery chargers. Use only Minuteman approved battery chargers.
• • Do not apply power directly to the motors without first disconnecting them Do not apply power directly to the motors without first disconnecting them
from the controller circuit. from the controller circuit.
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