Check Safety Equipment - Rothenberger BS 450 Instructions D'utilisation

 Lead the saw band between the fairing and into the protective cover. If not yet done, remove
cover plate (A).
 Insert the saw band through the upper saw band guide rolls (B).
 Then insert saw band through the lower saw band guide rolls (C).
 Make sure that teeth of saw band show foreward and downward.
 Lead saw band around the lower diversion wheel (3)
 Then check whether the saw band rests on all three wheels centrally and runs through the
saw band guides (B and C).
 Now tension the saw band slightly by turning star grip (D) clockwise (see Chap. 9.2)
 Carefully turn diversion wheel (1) clockwise to check saw band running.
 Runs the saw band stably and centered on all 3 wheels and through the blade guides, in-
crease the belt tension continuously up to the maximum setting (see lateral marking on the
saw frame)
 Mount cover plate (A) and fix it with screws.
 Close and screw saw band covers.
 Turn again the saw band in sawing direction. Pay attention to possible noises. They are
signs of a possible mounting error.
• saw band is incorrectly inserted in saw band guides
• cover plate (A) mounted incorrectly.
 Perform a test cut (see Chap. 7.6) and adjust the saw-band tension if necessary.
Info
If the saw band runs down from diversion wheel 2 or 3 follow the instructions in the
chapter fault elimination (see Chap. 8)
9.5

Check safety equipment

Danger!
Running saw band may cause serious severance injury!
Descending saw bow may pinch the operator!
Only one person may check the machine's safety equipment.
How to check the main switch:
 Turn on the machine off with the main switch (see Chap. 7.3 ).
• It should not be possible to activate the machine drives even when the safety push but-
ton is active.
ENGLISH 61