■ Remove any finger prints using a cloth moistened with alcohol.
Arc welding
NOTICE
Risk of damage to property
An
incorrect ground connection can damage the bearings in the drive train, hydraulic components,
electrical components, and other components.
► Do not connect the welding machine ground terminal to electrical components (such as elec-
tronic control units or sensors).
NOTICE
► For further information about welding chassis frames and supports, contact the OEM or your
PRINOTH dealer.
The following must be observed for welding work:
To
avoid damage to the electronic control unit, sensors, and associated components, the component
to be welded should first be removed or detached if possible before carrying out the welding work. If it
is not possible to remove or detach the component, the procedure described below must be followed.
This procedure minimizes the risk of damage to electronic components while welding:
1. Switch off the diesel engine.
2. Wait at least 6 min for the battery disconnect switch to turn off.
3. Disconnect the battery cable from the negative terminal (right side battery).
4. Disconnect the battery cable from the positive terminal (central battery).
5. Isolate the connector of each battery cable previoulsy disconnected.
6. Unplug the electrical connector of the following devices:
□
the electronic control module (ECM) on the diesel engine.
□ the pump electronic tank unit (PETU).
□ the control units in the cab (TTCs).
7. Attach the welding device's ground terminal as near as possible or directly to the component to
be welded: This will decrease the risk of damage.
8. The welding electrode and / or welding tongs must never touch electronic components and ca-
bles.
9. Protect wire harnesses from welding spatter.
10. Weld the materials according to the specified procedures.
Operating and Maintenance Manual
Snow groomer BISON
192
(255)
11 - Maintenance
BISON 908930245 - 30367
11.18
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