Nordson Rhino SD2 Owner's manual

Type
Owner's manual
Rhinor SD2/XD2 Container Change
for Two-Hand Controls with Blow-Off Circuit
Part 1094288-02
E 2019 Nordson Corporation
Description
See Figure 1 and Refer to Table 1.
2-HAND CONTROL
LEFT
2-HAND CONTROL
RIGHT
DRUM
IN POSITION
RAM DIRECTION
NEUTRAL
UPDOWN
5
6
2
4
3
1
A
A
PURGE
Figure 1 Component Locator
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Table 1 Component Description
Item Description
1 Blow-Off Valve: Forces air through the follower to relieve any
vacuum between the drum and follower plate
2 Bleeder Stem: Bleeds air from below the follower when a new
material drum is loaded into the system
3, 4 Ball Valve (3) or Bleed Valve (4): Bleeds air from the pump
hydraulic section
5 Ram Controls:
S PURGE: Momentary push button for purging material from
the inactive pump during drum changes
S 2-HAND CONTROL LEFT/RIGHT: Enables/disables ram
movement
S RAM DIRECTION: UP/DOWN/NEUTRAL selection switch for
ram
S DRUM IN POSITION: Illuminates when a drum is positioned
under the follower plate
Refer to the Using the Ram Controls section for more
information.
NOTE: The Neutral position does not mechanically lock the ram.
Air pressure remains in the ram cylinders. Small air leaks in the
circuit can cause the ram to drift upward or downward. When
performing maintenance, make sure that the ram and follower
plate is on the bulk unloader base or secured using support
blocks.
6 Air Motor Lockout Valve: When closed, locks out air pressure
to the air motor; prevents the pump from stroking but it does not
shut off the ram air supply.
NOTE: The ram air supply is required to raise and lower the ram
when the air motor is deactivated.
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Daily Operation
Read and understand these procedures before operating this equipment.
Review the Using the Ram Controls section if necessary. Contact a
local Nordson representative regarding these procedures if necessary.
WARNING: Allow only qualified personnel to perform the following tasks.
Follow the safety instructions in this document and all other related
documentation.
Severe personal injury could result if hands or fingers are caught
between the follower plate and container. Keep hands clear of this
area
Do not open the bleed valve more than three turns. The bleed valve
and material may be forced from the valve body.
NOTE: It is important to remember that selecting NEUTRAL on the RAM
DIRECTION switch stops all ram movement and disables the 2-HAND
CONTROL push buttons. Air pressure remains in the ram cylinders. Small
air leaks in the circuit can cause the ram to drift upward or downward.
When performing maintenance, make sure that the ram and follower plate
are on the bulk unloader base or secured using support blocks.
1. See Figure 2. Make sure that the DRUM IN POSITION light (9) is on.
2. Select DOWN on the RAM DIRECTION switch (10). Press and hold in
the LEFT and RIGHT 2-HAND CONTROL push buttons at the same
time to manually lower the follower into the drum.
3. When the follower enables the Follower In Drum switch, release the
LEFT and RIGHT 2-HAND CONTROL push buttons (11). The follower
automatically moves downward as material is pumped from the drum.
How to Change a Container
1. Close the air motor lockout valve (7).
2. Select UP on the RAM DIRECTION switch (10).
3. Perform the following to automatically raise the ram:
NOTE: The blow-off control valve forces air through the follower to relieve
any vacuum between the drum and follower. If the drum starts to rise off of
the bulk unloader frame with the follower, use the ram-up adjuster to
decrease the ram-up speed.
a. Press and release the LEFT and RIGHT 2-HAND CONTROL push
buttons (11) at the same time and immediately open the blow-off
valve (1).
b. When the ram reaches its maximum height, close the blow-off valve
(1).
4. Remove the old container. Center a new, undamaged container under
the follower plate.
5. Coat the follower plate seals (5) with a compatible lubricant.
6. Remove the bleeder stem (2).
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7. Perform the following:
a. Select DOWN on the RAM DIRECTION switch (10). Press and hold
in the LEFT and RIGHT 2-HAND CONTROL push buttons (11) at the
same time to manually lower the follower into the drum.
b. When the follower enables the Follower In Drum switch, release the
LEFT and RIGHT 2-HAND CONTROL push buttons (11). The
follower will automtaically move downward.
8. Perform the following:
a. Allow air to bleed from the bleeder stem fitting as follower moves
downward.
b. When material starts to continuously flow from the bleeder stem
fitting, select NEUTRAL on the RAM DIRECTION switch (10). Install
the bleeder stem (2).
9. Select DOWN on the RAM DIRECTION switch (10). Press and hold in
the LEFT and RIGHT 2-HAND CONTROL push buttons (11) at the same
time to start automatic ram movement.
10. Open the air motor lockout valve (7).
11. Depending upon the system, perform one of the following using minimal
pump air pressure:
NOTE: On a small frame pail unit, the ball valve (3) or bleed valve (4) is
located on the back of the pump.
S Bleed the remaining air through the ball valve and dispense guns.
Or
S Open the bleed valve no more than three turns. Bleed the remaining
air through the bleed valve and dispense guns.
12. Press the purge button (8) to cycle the pump.
13. After all air is bled, close the ball valve (3) or the bleed valve (4).
14. Set the air motor regulator (6) to the desired operating pressure if
necessary.
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7
6
5
2-HAND CONTROL
LEFT
2-HAND CONTROL
RIGHT
DRUM
IN POSITION
RAM DIRECTION
NEUTRAL
UPDOWN
10
11
2
4
3
1
9
A
PURGE
8
PRESS 2-HAND CONTROL PUSH BUTTONS AT THE SAME TIME.
A
Figure 2 Changing a Container
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Using the Ram Controls
Read and understand this section before operating this equipment. Contact
a local Nordson representative regarding these procedures if necessary.
WARNING: Allow only qualified personnel to perform the following tasks.
Follow the safety instructions in this document and all other related
documentation.
Refer to the Daily Operation section for detailed operating
procedures.
Lower and Raise the Ram
Without a Drum in Position
See Figure 3. Ram operation can only be done manually when a drum is
not positioned on the bulk unloader.
Use the following procedure to manually operate the ram.
CAUTION: Place support blocks (A) on the frame as shown to prevent
damage to the drum follower (B) and position sensor (C).
1. Select the desired RAM DIRECTION. Press and hold in the LEFT and
RIGHT 2-HAND CONTROL push buttons at the same time to manually
lower or raise the ram.
2. Release the LEFT and RIGHT 2-HAND CONTROL push buttons to stop
ram movement.
NOTE: It is important to remember that selecting NEUTRAL on the RAM
DIRECTION switch stops all ram movement and disables the 2-HAND
CONTROL push buttons. Air pressure remains in the ram cylinders. Small
air leaks in the circuit can cause the ram to drift upward or downward.
When performing maintenance, make sure that the ram and follower are on
the bulk unloader base or secured using support blocks.
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MANUAL UP/DOWN
RAM MOVEMENT
A
C
2-HAND CONTROL
LEFT
2-HAND CONTROL
RIGHT
RAM DIRECTION
NEUTRAL
UPDOWN
B
Figure 3 Manual Ram Operation
Without a Drum in Position
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Lower the Ram
With a Drum in Position
See Figure 4. Lowering the ram must be done manually until the follower
enables the Follower in Drum switch (A). The ram will automatically move
downward until the follower enables the Drum-Empty switch (B) which stops
the air motor.
Use the following procedure to lower the ram.
1. Select DOWN on the RAM DIRECTION switch. Press and hold in the
LEFT and RIGHT 2-HAND CONTROL push buttons at the same time to
manually lower the follower into the drum.
2. When the follower enables the Follower In Drum switch (A), release the
LEFT and RIGHT 2-HAND CONTROL push buttons.
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Part 1094288-02
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A
B
MANUAL
AUTOMATIC
RAM MOVEMENT
RAM MOVEMENT
2-HAND CONTROL
LEFT
2-HAND CONTROL
RIGHT
RAM DIRECTION
NEUTRAL
UPDOWN
Figure 4 Lowering the Ram With a Drum in Position
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Raise the Ram
With a Drum in Position
See Figure 5. Raising the ram can be done automatically when a drum is
positioned on a bulk unloader. Upward ram movement activates the
Blow-Off circuit. The Blow-Off circuit deactivates when the follower disables
the Follower In Drum switch (A). The ram continues to move upward until it
reaches the end of travel.
Use the following procedure to raise the ram.
1. Select UP on the RAM DIRECTION switch.
2. Press and release the LEFT and RIGHT 2-HAND CONTROL push
buttons at the same time to automatically raise the ram.
Rhino SD2/XD2 Container Change for Two-Controls with Blow-Off Circuit
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BLOW-OFF CIRCUIT
DEACTIVATES
BLOW-OFF CIRCUIT
ACTIVATES
AUTOMATIC
RAM MOVEMENT
2-HAND CONTROL
LEFT
2-HAND CONTROL
RIGHT
RAM DIRECTION
NEUTRAL
UPDOWN
A
Figure 5 Automatically Raising the Ram With a Drum in Position
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Ram Operation for
Service and Maintenance
See Figure 6. When performing service and maintenance, use the following
procedure to manually raise or lower the ram.
CAUTION: If the follower needs to be lowered when a material drum is not
positioned on the frame, place support blocks (A) as shown to prevent
damage to the follower (B) and drum position sensor (C).
1. Lower the ram:
a. Select DOWN on the RAM DIRECTION switch.
b. Press the LEFT and RIGHT 2-HAND CONTROL push buttons at the
same time and hold in. Release the push buttons to stop ram
movement.
2. Raise the ram:
a. Select UP on the RAM DIRECTION switch.
b. Press the LEFT and RIGHT 2-HAND CONTROL push buttons at the
same time and hold in. Release the push buttons to stop ram
movement.
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MANUAL UP/DOWN
RAM MOVEMENT
A
B
2-HAND CONTROL
LEFT
2-HAND CONTROL
RIGHT
RAM DIRECTION
NEUTRAL
UPDOWN
C
Figure 6 Manual Ram Operation
for Service and Maintenance
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Part 1094288-02
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Notes:
Original copyright date 2019.
Nordson, the Nordson logo, and Rhino ar
e registered trademarks of Nordson Corporation.
All other trademarks are the property of their respective owners.
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Nordson Rhino SD2 Owner's manual

Type
Owner's manual

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