Tools and work instructions
Service Manual
Repair welding
5.5
Welding the reinforcement plate The reinforcement plate should be welded on by running a welding bead alternately on both sides. The welding should always start in the middle of the plate and run towards the outside. Be certain to observe that each welding seam has proper run out. Welding direction
Fig. 4 Welding directions
The size of the welding run "a" is figured out in reference to the thickness "k" of the repair plate. Use formula: a=0.5 k Up to a welding run "a" of approx. 3 mm, a single run can be made, however, as a general rule, a double run should be preferred. Above a welding run "a" = 3 mm, the first run provides excellent penetration between the reinforcement plate and the basic material. Subsequent runs are added on top of the first run.
Fig. 5 Three or one layer welding seam
LWT / Ausgabe / Edition / Edition / 03.2010
After the welding is completed, clean the welding seam as necessary and grind out the run between the reinforcement plate and the basic material,
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RL Litronic Series 4