YST15_Users_E.pdf - 第169页
3-19 3 Y early maintenance items Adjust the tension of Y -axis drive belt n If the tension is low (the belt rotates too much) 1 L oosen four bolts A in the figure Use a wrench (10 mm) to loosen four bolts A shown in figu…

3-18
3
Yearly maintenance items
3.5 Checking the tension of Y-axis drive belt
n
NOTE
Use a step ladder as required for the maintnance item which are located in high place.
1
Turn the machine off.
2
Move the handler down most on
Y-axis.
Open a side door, then move the handler
down most on Y-axis.
3
Check the tension of Y-axis drive
belt.
Y-axis motor and its drive belt are located in
up left viewed from the machine front.
The belt tension able to be rotated just 90
degree with fingers pinching is appropriate.
If the belt doesn't rotate easily or it rotates
too much, adjust the belt tension by the
following procedure.
4
Move the handler to Initialization
standby position.
Move the handler to Initialization standby
position by hands.
Check the tension of Y-axis drive belt
Step 3
Y-axis drive belt
53324-KMS-00

3-19
3
Yearly maintenance items
Adjust the tension of Y-axis drive belt
n
If the tension is low (the belt rotates too much)
1
Loosen four bolts A in the figure
Use a wrench (10 mm) to loosen four bolts A
shown in figure.
2
Tighten two bolts B a little.
Use a hex wrench (5 mm) to tighten two
bolts B a little shown in figure.
n
NOTE
Tighten two bolts B with same amount. Do not tighten
only one bolt biasedly.
3
Check the belt tension.
Follow Step3 in "3.5 Checking the tension of
Y-axis drive belt" to check the belt tension.
4
Tighten the bolts A.
After confirming the tension is appropriate,
tighten the bolts A.
n
If the tension is high (the belt doesn't rotate easily)
1
Loosen four bolts A in the figure
Use a wrench (10 mm) to loosen four bolts A
shown in figure.
2
Loosen two bolts B a little.
Use a hex wrench (5 mm) to loosen two bolts
B a little shown in figure.
n
NOTE
Loosen two bolts B with same amount. Do not loosen
only one bolt biasedly.
3
Check the belt tension.
Follow Step3 in "3.5 Checking the tension of
Y-axis drive belt" to check the belt tension.
4
Tighten the bolts A.
After confirming the tension is appropriate,
tighten the bolts A.
Adjust the tension of Y-axis drive belt
A B
Step 1,2
53325-KMS-00
Adjust the tension of Y-axis drive belt
A B
Step 1,2
53325-KMS-00

3-20
3
Yearly maintenance items
3.6 Checking the cables of Y-axis motor
n
NOTE
Use a step ladder as required for the maintnance item which are located in high place.
1
Turn the machine off.
2
Move the handler down most on
Y-axis.
Open a side door, then move the handler
down most on Y-axis.
3
Check if cables are connected
properly.
The terminal block for cables is fasten on the
motor.
4
Move the handler to Initialization
standby position.
Move the handler to Initialization standby
position by hands.
Y-axis motor
Step 3
Y-axis motor Terminal block
53326-KMS-00