Factory Cat MINI-MAG SERIES, Service Manual

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Mini-Mag Service Manual V1.0
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8-1
BRUSH LIFT SYSTEM
BRUSH LIFT SYSTEM
The brush lift system for the MiniMag comes in two configurations. The brush assist model
uses one system and the traction drive model with Central Command II uses another.
BRUSH ASSIST
The brush lift system on the brush assist models consists of an actuator, a rocker switch,
circuit breaker, lifting linkage and down pressure springs. The brush deck and motor are
raised and lowered by the brush deck actuator. The actuator is controlled by a switch on
the control panel. The actuator circuit is protected by a 2 amp, push-to-reset, circuit break-
er on the back of the control panel.
BRUSH LIFT ELECTRICAL CIRCUIT
The negative side of the battery is connected to the brush deck lift switch. Positive power
from the main power switch is fed to the brush deck lift switch. The switch is then wired to
the brush deck actuator with a 2 amp circuit breaker in line on the positive side. When the
switch is depressed to lower the brush current is sent to the brush deck actuator to drive
the brush deck down. When the switch is depressed to raise the brush deck current is sent
in the other direction through the actuator raising the brush deck. The actuators travel is
limited in both direction by internal limit switches. The limit switch for the raised position is
fixed and the switch for the lowered position is adjustable.
LIFTING LINKAGE &
DOWN PRESSURE SPRINGS
ACTUATOR