Timing Belt Tension For The Y Direction - promelectroavtomat ULT2003D Service Manual

27.

TIMING BELT TENSION FOR THE Y DIRECTION

STANDARD
The distance between the backs of both sides of the timing belt should be 4.2 mm (about 8 mm of slack)
as shown in the diagram and there should be a load of 1.5±0.2 N (150±20 gf) after the Y carriage is moved
all the way forward and a 5 N (500 g) push/pull gauge is applied to the center of the timing belt between
the Y drive shaft and the Y tension pulley.
ADJUSTMENT
1. Move the Y carriage all the way forward.
2. Loosen the screw of the Y tension pulley.(screw (C) and (D))
3. Adjust the position of the Y tension pulley.
4. Tighten the screw of the Y tension pulley.(screw (C) and (D))
CHECK STANDARD
The product standard, taking any measurement errors into account, is between 0.7 N and 1.7 N (70 g and
170 g).
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