WELDING ON MACHINE
Figure 5-35. Welding
If the machine has been damaged or metal parts worn
due to extensive use, minor welding may be necessary
for repair. Welding is very dangerous. Only individuals
who are properly trained should weld in a dedicated
area away from others as even looking at ultraviolet light
from the arcing can cause serious eye injury.
Welding hazards include toxic fumes, harmful dust,
light radiation, burns, combustion from sparks and the
potential for extensive damage to the eye. There is also
a danger of electric shock. If combustible or ammable
materials are nearby, the heat and sparks produced by
welding can cause î›™res or explosions.
Electrical current can ignite î›™re, cause an explosion or
damage machine components, therefore it is critical
to turn off power to the machine. It is also important to
grind off the paint to ensure proper ground on the area
being welded.
DO NOT weld on or near fuel tanks.
DO NOT weld near electrical
components and harnesses. All components should
be protect from heat and welding sparks.
Before welding on the machine:
PREPARE:
• Clear the area of any re hazards, ammable liquids
and solids, or any items that could catch on î›™re.
• Ensure a re extinguisher is available to the work area.
• Hang welding blanket(s) around and underneath the
work area.
• Paint and rust should be removed from the welding
area to prevent arcing in other areas or components.
An indirect ground can cause arcing that will damage
machine components. Only connect the ground to
the component being welded. DO NOT connect the
ground to other bolted assemblies, wheels, bearings,
motors, tracks, torque hubs, etc.
DISCONNECT:
• Turn the master battery switch to the OFF position.
• Disconnect the battery positive and negative
terminals.
• Disconnect Plus 1 controller(s).
• Disconnect engine ECU(s) controller (if equipped).
• Disconnect engine DEF controller (if equipped).
• If machine has truck chassis: Disconnect the battery
positive and negative terminals and unplug the ECU(s)
for the engine, transmission and ABS systems if
equipped. Refer to the truck owner manual for any
other recommendations.
DO NOT MAKE MODIFICATIONS TO THE MACHINE.
ONLY weld if needed for repair purposes. Weldment
modiî›™cations to the machine can void your warranty.
5
Maintenance
Rosco CSV Variable Width Chip Spreader 5-27
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