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8.OPERATING THE CONTROL VALVES
The A-Boom has two control valves. One is the on-off switch to the cutter motor and the other is the position
control valve.
ON-OFF Switch (Mower Valve) - To operate the mower, pull the switch while the tractor is running. The push-
pull operator will remain in the ON position PULLED or the OFF position PUSHED until the operator desires
to start or stop the mower. Always start the cutterhead with the tractor at idle.
The operator should not leave his seat with this valve engaged or with the tractor engine running.
Allow approximately 60 seconds for the blades to come to rest after turning the switch off before
dismounting.
The mower valve comes with a push-pull operator switch that, when properly installed, will prevent the tractor
from starting if the switch is in the ON position (pulled out). To properly install the push-pull operator, follow the
wiring diagram shown. Failure to properly install this switch could result in injury to the operator or bystander.
OPS-B- 0030_B
Operate the Tractor and/or Implement controls only while properly seated in the Tractor seat
with the seat belt securely fastened around you. Inadvertent movement of the Tractor or
Implement may cause serious injury or death.
A-BOOM 02/10
©2010 Alamo Group Inc.
OPERATION
(SG-29)
Operation Section 3-24
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