RVV Gen II KO Service and Parts Manual
60
SECTION 5: Troubleshooting
FIGURE 5.25.
X-motor connections
Make sure the harnesses
at the connections on the
X-motor are tight, with no
wires loose, cut, pinched,
backed out, etc.
FIGURE 5.26.
Y-belt tension adjusters
To tighten the tension of the belts, turn the tension screw clockwise.
Y-belt tension screw, left side
Y-belt tension screw, right side
Security screw, left side
The security screw for
the right side is located
behind this plastic piece.
C. Encoder count is correct, but the belts do not move the mechanism the correct distance.
1. Y-axis
(up and down movement)
a. Check the tension of the Y-belts. If the belts are loose, adjust the belt tension. To tighten the belts, first
loosen the security screw, then adjust the tension screw. Once the belt has proper tension, re-tighten the
security screw.
(Refer to Figure 5.26.)
b. Check the top idler assembly and Y-motor for loose pulleys.
(Refer to Figure 5.27.)
If loose pulleys are
found, replace them. If the pulley on the motor is loose, replace the motor.
c. If tension is correct and no pulleys are found to be loose, replace the Y-belts.
