YSM20_YSM20W_Mainte_E.pdf - 第164页
6-11 6 How to replace consumable parts 4 L oosen the belt. 1. Before loosening the conveyor belt, put a marking at the current position of pulley bracket (YSM20W Single-lane type: pulley) with a permanent marker . 2. Use…
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How to replace consumable parts
4. Conveyor
4.1 Replacing the conveyor belt
If significant looseness, contamination, or scuffing is found in the conveyor belt when performing the work
steps stated in "5.2.1 Inspecting conveyor belt and cleaning the guides" in chapter 3, the conveyor belt needs
to be replaced. Follow the steps below to replace the conveyor belt.
YSM20 and YSM20W roughly include the following 4 types of conveyor.
• YSM20 Dual-stage type
• YSM20/YSM20W Dual-lane type
• YSM20 Single-lane type
• YSM20W Single-lane type (for transferring heavy boards)
Regarding YSM20/20W Dual-lane and Single-lane type machines, the procedure of replacing the conveyor belt
is mostly the same. However only YSM20 Dual-stage type machine partly differs the replacing procedure.
1
Change the conveyor width to a
convenient width for maintenance
work.
1. Press the [Width] button to display the
"Conveyor Width" screen.
2. In the "Target Width" box, enter a width
wide enough (about 200 mm) for using
tool (hex wrench) and press [OK] button.
The conveyor is changed to the specified
width
2
Make the preparation for cleaning.
e
1. Take off all accessories susceptible to the
magnetic fields, such as a wristwatch
and/or magnetic ID card.
2. Press the emergency stop button and
then open the machine safety cover
3. If the machine is the carriage type,
detach the carriage to easily access to
the conveyor.
4. Place a square cloth on the push-up
plate.
3
Detach the board clamp plates.
Use a hexagon wrench (3) to remove the 4
board clamp bolts, then detach the board
clamp plate.
c
CAUTION
Do not remove any bolts other than the 4 bolts shown in
the figure at right.
Changing the conveyor width
Step 1
54601-N2-00
Detaching the board clamp plate
Step 3
Board clamp plate
Mounting bolt
53615-N2-00
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How to replace consumable parts
4
Loosen the belt.
1. Before loosening the conveyor belt, put a marking at the current position of pulley bracket (YSM20W
Single-lane type: pulley) with a permanent marker.
2. Use a hex wrench (3) to loosen the bolts (2 locations) that secure the pulley bracket and move the
bracket all the way to the end of the slotted hole (in loosening direction) referring to the figure
shown below. Regarding YSM20W Single-lane type, loosen the pulley mounting bolt with hex
wrenches (5 and 4) and move the pulley.
Put a marking at the bracket
position with a permanent marker.
Loosen the brackets.
: Place where the shaft is separated from the pulley.
W1-axis
W2-axis
W3-axis
W4-axis
: Shaft pull-out direction
Replacing the conveyor belt
YSM20 Dual-stage
■ W3-axis, W4-axis
■ W1-axis, W2-axis
Loosen the brackets.
53616-N2-10
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How to replace consumable parts
Replacing the conveyor belt
Dual-lane (YSM20 / YSM20W )
: Place where the shaft is separated from the pulley.
: Shaft pull-out direction
Put a marking at the bracket
position with a permanent marker.
Loosen this bracket.
Loosen this bracket.
53617-N2-00