Adjustment Of The Lower Shaft Timing Belt Tension; Adjustment Of The Machine Motor V Belt Tension - Mitsubishi Electric PLK-G3040R Technical Manual

8-6-2. Adjustment of the lower shaft timing belt tension

(1) Remove the bed cover directly under the table, which accommodates the machine head.
(2) Move the tension pulley E, which is installed in front of the main unit frame, in the arrow F direction
and adjust the tension so that the timing belt B will not be warped with a light pressing.

8-6-3. Adjustment of the machine motor V belt tension

(1) Remove the rear cover of main unit frame. The motor shown by Fig. 9.16 can be seen.
(2) Loosen 2 pieces of nuts.
(3) Let the belt being tensed with the weight of motor, determine the position with the upper nut and lock
with the lower nut.
Intermediate lower shaft
V belt
Motor
- 29 -
Nut (upper)
Nut (lower)