
1.3 Maintenance and repair
1.3.1 Notes on repair........................................................ 40
1.3.2 Preliminary remarks and safety notes..................... 56
1.3.3 Preparations / concluding work................................ 57
1.3.4 Parking the machine in secured condition............... 62
1.3.1 Notes on repair
1.3.1.1 General repair instructions
NOTICE!
Ensure strict cleanliness when performing
repair work!
– No foreign objects should enter into open sys-
tems.
– Thoroughly clean the area around the affected
components.
– Dry off wet locations with compressed air.
Before removing or disassembling parts, assembly groups, compo-
nents or hoses mark these parts for easier assembly.
1.3.1.1.1 Repair notes for electrics
NOTICE!
Electrical components may get damaged by
welding work!
– Always remove the main battery switch.
– Disconnect the batteries and connect negative
and positive cables.
– Pull the plugs off the control units.
Always fasten the earth clamp of the welding unit in the immediate
vicinity of the welding location.
When choosing the location for the earth clamp make sure that the
welding current will not pass through joints or bearings.
Electrics and welding
General – Maintenance and repair
BW 191 AD-5 AM / BW 206 AD-5 AM
40