Appendix
Appendix
Welding PrecautionsWelding Precautions
Introduction.Introduction. Once a crack is found in the truckOnce a crack is found in the truck
structure, it is advisable that you contact Taylorstructure, it is advisable that you contact Taylor
Machine Works, Inc. for proper welding proce-Machine Works, Inc. for proper welding proce-
dures. dures. YYour machine is our machine is comprised of comprised of differentdifferent
metals, each requiring its own unique repair pro-metals, each requiring its own unique repair pro-
cedure.cedure.
Welding Precautions.Welding Precautions. It is possible for damageIt is possible for damage
to occur to occur when welding when welding during maintenance. during maintenance. Cur-Cur-
rent passed from the electrode through a pin,rent passed from the electrode through a pin,
bearing, cylinder piston or other part, seeking thebearing, cylinder piston or other part, seeking the
ground, can cause damage to parts.ground, can cause damage to parts.
Illustrated in Illustration 1 areIllustrated in Illustration 1 are somesome of the partsof the parts
on lift trucks subject to damage by the passage ofon lift trucks subject to damage by the passage of
welding current.welding current.
Care and common sense are the best guides toCare and common sense are the best guides to
avoid such damage to the components.avoid such damage to the components.
Death or serious injury couldDeath or serious injury could
result from result from a runaway truck. a runaway truck. Park the truck Park the truck onon
a hard, level surface, apply the parking brake,a hard, level surface, apply the parking brake,
block the wheels in both directions to preventblock the wheels in both directions to prevent
movement of the truck and Lock movement of the truck and Lock Out & Tag OutOut & Tag Out
the truck before performing maintenance.the truck before performing maintenance.
Before welding oBefore welding on any of the n any of the truck’s otruck’s orr
attachment’s structural members, theattachment’s structural members, the
electrical connector connected to electrical connector connected to the Taylorthe Taylor
Integrated Control System (TICS) controlIntegrated Control System (TICS) control
modules must be unplugged prior to anymodules must be unplugged prior to any
welding. welding. Failure to Failure to disconnect disconnect the electricalthe electrical
connectors from these components mayconnectors from these components may
trical connectors that must be disconnectedtrical connectors that must be disconnected
before welding include the TICS control modulesbefore welding include the TICS control modules
on the truck (refer to Illustration 2), TICS MDL dis-on the truck (refer to Illustration 2), TICS MDL dis-
play, joystick control lever, forward and / orplay, joystick control lever, forward and / or
reverse cameras & monitors (if equipped), enginereverse cameras & monitors (if equipped), engine
electrical connector, transmission cooler tempera-electrical connector, transmission cooler tempera-
ture transducer, accelerator pedal and APCture transducer, accelerator pedal and APC
module.module.
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