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Axtreme Boom (Asy Man) 07/06
© 2006 Alamo Industrial
Section 8- 2
Wire Harness: (Standard Mechanical Valve)
1. Starter Safety Switch Schematic, Mechanical Cable Operated Valve Type, NOT correct
for Optional Joystick (Electronic) Controls.
2. Figure 1 illustrates a common wire harness connection for Boom mowers with mechani-
cal cable controls, If the Joystick Optional controls are used the Wiring will be different than shown.
3. Individual installations may vary and are dependent on the electrical and safety system
designs of the tractor to which the mower is mounted.
4. Consult the specific mounting instructions to determine the correct wire routing for each
specific unit.
Common Problems:
1. The tractor won’t start: The mower on/off switch, if left in the “on” position will not allow the
tractor to restart. Be sure to push the switch into the “off” position and account for all the tractor
safety interlocks to enable the tractor to start. Failure of the tractor starter safety lock system is
normally attributed to a failure of the mower on/off switch. Check continuity at the switch. Check
for loose connections.
2. Cutter motor won’t start: Normal causes of this type of malfunction include failure of the
push/pull switch, failure of the solenoid coil, loose connections, loss of ground, or a blown fuse.
If the mower won’t start, check continuity of the system with a test light to find an electrical problem.
Problems may also exist in the cutter valve and other systems.
3. The problem may not be in the electrical system, but because there are so many
connections that could be malfunctioning it is the best place to start checking. If the electrical
connections are OK, go on to the Tractor connections and/or the Tractor components to check
for the malfunction. Some times the service technician thinks the best way to eliminate the Mower
electrical connection problem is to bypass them; this should never be done, eliminating the starter
safety system is dangerous and hard on the Hydraulic System, The Hydraulic System will be trying
to start at a low RPM which is not good.
"ON - OFF" Switch Installation