Every 20 working hours
•
Grease the bushes of the support arms of the wheels (see fig. 1). Before carrying this out
clean grease nipples accurately. Use lithium grease NLGI 2.
•
Check belt tensioning by measuring belt tightness. Correct tightness results when belt de-
flection along the front side of the belt is 1 cm, as a result of the pressure applied with the
index finger to the centre of the belt length (see fig. 2).
the case belt adjustment was needed, proceed as follows (see fig. 3) for each stretcher:
• Unscrew the four screws that fix the case plate to the support;
• Unscrew the counter nut and rotate clockwise the blocking plug, maintaining the tension-
ing screw fixed with a wrench;
• After regulating the tensioning, screw back the counter nut;
• Screw back the four screws that fix the case plate to the support.
Pag.25
Grease nipple
FIG. 1
MAX 10 mm
FIG. 2
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