Graco 312497G User Manual
Instructions
Trabon
Divider Valves
312497G
For series progressive, oil and grease lubrication. For Professional Use Only.
Important Safety Instructions
Read all warnings and instructions in this
manual. Keep these instructions.
Models/Maximum Pressure
Table 1: Maximum Pressure Lube Points Table 2: MGO Series-Flo Divider Maximum
Operating Pressures
Maximum Operating
Pressure kPSI (MPa, bar)
6.0 (41.4, 414)
5.5 (37.9, 379)
4.0 (27.6, 276)
4.5 (31.0, 310)
4.0 (27.6, 276)
Number of Sections
Divider Type
MD
MJ/MJSS
MSP
MHH
MX
MXP
MGO
Maximum
Operating
Pressure kPSI
(MPa, bar)
3.0 (20.7, 207) 2
2.0 (13.8, 138) 8
3.5 (24.1, 241) 8
7.5 (51.7, 517) 8
3.0 (20.7, 207) 10
3.0 (20.7, 207) 10
See Table 2 11
Maximum
Sections
EN
3 to 7
8
9
10
11
Warnings
Warnings
The following Warnings are for the setup, use, grounding, maintenance and repair of this equipment. The exclamation point symbol alerts you to a general warning and hazard symbols refer to procedure-specific risks. Refer back to
these Warnings. Additional, product-specific warnings may be found throughout the body of this manual where applicable.
WARNING
EQUIPMENT MISUSE HAZARD
Misuse can cause death or serious injury.
• Do not operate the unit when fatigued or under the influence of drugs or alcohol.
• Do not exceed the maximum working pressure or temperature rating of the lowest rated system
component. See Technical Data in all equipment manuals.
• Use fluids and solvents that are compatible with equipment wetted parts. See Technical Data in all
equipment manuals. Read fluid and solvent manufacturer’s warnings. For complete information about
your material, request MSDS forms from distributor or retailer.
• Check equipment daily. Repair or replace worn or damaged parts immediately with genuine
manufacturer’s replacement parts only.
• Do not alter or modify equipment.
• Use equipment only for its intended purpose. Call your distributor for information.
• Keep children and animals away from work area.
• Comply with all applicable safety regulations.
SKIN INJECTION HAZARD
High-pressure fluid from dispense valve, hose leaks, or ruptured components will pierce skin. This may
look like just a cut, but it is a serious injury that can result in amputation. Get immediate surgical
treatment.
• Do not point dispense valve at anyone or at any part of the body.
• Do not put your hand over the end of the dispense nozzle.
• Do not stop or deflect leaks with your hand, body, glove, or rag.
• Follow Pressure Relief Procedure in this manual, when you stop spraying and before cleaning,
checking, or servicing equipment.
Pressure Relief Procedure
Follow this Pressure Relief Procedure whenever you
are instructed to relieve pressure or check or service
equipment.
1. Verify pump feeding valve is stopped and disconnected from, or locked out of it’s driver.
2. Using a wrench, slowly loosen inlet nut.
3. Then, using a wrench, slowly loosen each port nut.
2 312497G
Setup
Setup
The divider valve is shipped ready to install in your system. It has been factory-tested and should not require
any additional modification.
NOTICE
Do not install a divider valve into a system rated for
more than the valve’s maximum operating pressure.
This type of installation could result in o-ring damage
and cause the divider valve to leak.
To install the divider valve in your system:
1. Determine an appropriate, remote mounting location.
2. Install a rupture to atmosphere fitting with a blow-out
disk that is rated for 7,500 psi or less between the
force feed lubricator pump and master divider valve
inlet.
3. Install an analog pressure gauge at the inlet to the
divider valve.
4. Install a slow or no cycle shutdown in one of the piston enclosure plugs. Program it to shut down after
no more than 180 seconds without a complete
cycle.
5. Torque. See Table 4 on page 15.
As long as lubricant is supplied under pressure to the
inlet section of the divider assembly, valves sections will
continue to operate in a progressive manner. Divider
assemblies always follow a constant discharge pattern.
Whenever lubricant flow ceases, the valving pistons will
stop. When flow resumes, it will start again at the same
point in the discharge cycle.
Component Identification
Inlet
Valve
Section
TI11117
Section
Indicator/ Port Plug
Crossport
Plate
End Plug
Subplates with
Output Ports
End
Section
Tie Rod Nut
FIG. 1
Table 3: Typical Divider Valve
Combinations
TYPE OF
MASTER SECONDARY
MJ MD Machine tools, Printing,
MSP MJ, MSP Machine tools, Textile,
MX, MXP MX, MXP, MSP Cranes, Presses, Steel
MGO MX Levellers, Shears,
APPLICATION
Wire Forging &
Packaging Machinery
Glass & Can Machinery,
Mobile Equipment
Mills, etc.
Conveyors, etc.
Divider Valves
A Series-Flo type divider valve is a manifold proportioning device consisting of an inlet and end section plus a
minimum of three valve sections. The divider valve is
manifolded together with tie rods and nuts. A master
divider valve is the first divider valve downstream from
the lube pump. A secondary divider valve is any divider
valve receiving lubricant from the master divider valve.
312497G 3
Setup
Valve Sections (MSP, MHH and MXP
modular-type, divider valves, only)
Valve sections (three or more required per manifold)
contain a piston specially fitted to that section, built in
outlet check valves and various passageways that,
working with the piston, meters and valves the flow of
lubricant (F
Piston
Enclosure/End
Plug
Indicator
FIG. 2
Valve sections may be manufactured to require one or
two lube outlets. Stamping located on the face of each
section indicates:
IG. 2).
Enclosure Plug Gasket
Piston
Port
O-Rings
Indicator Port Plug
Check
Valve
TI11102
Prefilling Lubricant Distributor Lines
Follow the following procedure exactly as written, in the
order written.
NOTICE
• The initial startup and operation is the most critical
operating period for a newly installed machine in
terms of potential for being damaged by unremoved/unfiltered lubricant contaminants and lack of
adequate lubrication. Proper prefilling of lubrication
system ensures that lubricant is immediately available to every lube point during machine startup,
protecting them from damage.
• Use only clean oil filtered to the SAE -recommended cleanliness level of ISO 18/14 (ISO Standard 4406) when prefilling a system. The
manufacturers of the machine tool and its component bearings should be consulted to ensure that
the ISO 18/14 cleanliness level is adequate.
Filling Secondary-to-Lube Point Lines
Refer to FIG. 3. when performing this procedure
.
• the style of divider valve section, i.e., MSP, MX,
etc.,
• the discharge per piston stroke expressed in
thousandths of cubic inches (35 = .035 in
3
)
and,
• the number of lube outlets required (S = single,
one outlet only; T = twin, two lube outlets
required).
LUBE POINT
BLEED HOSE
HERE
TI11098
MASTER
REMOVE INDICATOR
OR PORT PLUG
SECONDARY
HAND PUMP
FIG. 3
1. Remove port plugs or performance indicators from
all of the indicator ports on front of secondary
divider valves.
2. Connect a hand pump filled with clean, filtered lubricant to the indicator port closest to the first line to be
filled that corresponds to the output port that is feeding the line to be filled.
4 312497G
Setup
3. In order to verify when lubricant is flowing and has
reached the end of the lube line, loosen the connector at the lube point of the line that is to be filled.
4. Stroke the hand pump until air-free lubricant is
observed flowing from the end of the lube line.
5. Tighten the lube line connector at the lube point, but
do not replace the port plugs or performance indicators into the ports on the front of the working section.
6. Repeat steps 1-5 for each of the other lube lines
connected to the other outlet ports in the secondary
divider valve assembly and for any other secondary
divider assemblies in the system.
NOTE: Do not replace any of the performance indicators
or port plugs removed in Step 1 until the line-filling procedure described in Section 2 (Filling Master -to-Secondary Lube Lines) has been completed.
Filling Master-to-Secondary Lube Lines
Refer to FIG. 4. when performing this procedure.
4. Continue to stroke the pump until the lubricant
purges all the air out of the internal passages of the
secondary divider valve and lubricant flows freely
from all indicator ports with no evidence of included
air.
5. Reinstall the port plugs or performance indicators in
their respective positions in the secondary divider
valve. Do not replace the port plugs or performance
indicators in the master divider valve yet.
6. Repeat Steps 1-5 for each of the other lube lines
between the master divider valve and all other secondary divider valves.
NOTE: Do not replace any of the performance indicators
or port plugs removed in Step 1 from the master divider
valve assembly until the air-purging procedure
described in Section 3 (Filling Master Divider Valve) has
been completed.
LUBE POINT
SECONDARY
MASTER
REMOVE INDICATOR
OR PORT PLUG
HAND PUMP
BLEED
THROUGH
ALL PORTS
TI11099
FIG. 4
1. Remove the port plugs or performance indicators
from all the indicator ports on the front of the master
divider valve.
2. Connect a hand pump filled with clean, filtered lubricant to the indicator port closest to the lube output
port that is feeding the line to the secondary divider
valve.
3. Stroke the hand pump to fill the line between the
master divider valve and secondary divider valve.
312497G 5
Setup
Filling Master Divider Valve
Refer to FIG. 5. when performing this procedure.
LUBE POINT
SECONDARY
MASTER
BLEED
HERE
CYCLE PUMP
TI11000
FIG. 5
1. Verify that all port plugs or performance indicators
have been removed from all indicator ports in the
master divider valve.
2. Verify that the system pump is properly connected
to the inlet port of the master divider valve.
3. Cycle the system pump sufficiently to fill the main
feeder line between the pump and the master
divider valve and the lubricant is observed being
discharged from all of the indicator ports on the front
of the master divider valve with no evidence of
included air.
4. Reinstall the master divider valve port plugs or performance indicators into their respective positions.
6 312497G
Repair
Repair
General Repair Instructions
• Before performing any repair procedures, relieve
pressure, page 2.
• Pressure test distribution blocks yearly or every
8000 hours. Replace seals and divider valves as
necessary.
Page Section Air purging after:
8 1 Replacing line between a secondary divider valve and lube point.
9 2 Replacing a line between the master divider valve and a secondary
divider valve.
10 3 Replacing a line between pump and master divider valve.
11 4 Adding or replacing any component in a master divider valve assembly.
12 5 Adding or replacing any component in module in a secondary divider
valve assembly.
Purging Air From the System
Before machine operation is resumed following maintenance or repair, manual system air purging must be performed.
There are several air purging procedures available
depending upon the maintenance or repair procedure.
NOTE: Use only clean oil filtered to the SAE -recommended cleanliness level of ISO 18/14 (ISO Standard
4406) when prefilling a system. The manufacturers of
the machine tool and its component bearings should be
consulted to ensure that the ISO 18/14 cleanliness level
is adequate.
312497G 7
Repair
Section 1: Purging Air from Secondary Divider Valve Lube-to-Lube Point Lines
LUBE POINT
SECONDARY
MASTER
REMOVE INDICATOR
OR PORT PLUG
BLEED HOSE
HERE
HAND PUMP
FIG. 6
Steps 1-6, refer to FIG. 6.
1. Install the line from the secondary divider valve to
the lube point, but do not completely tighten the
connection at the lube point.
2. Remove the performance indicator port plug or the
performance indicator from the working valve section on the secondary divider valve assembly corresponding to the outlet port and the line connected to
the lube point.
3. Attach a hand pump filled with clean, filtered lubricant to the port on the secondary divider valve that
was opened in Step 2.
4. Operate the hand pump until air-free lubricant is
observed flowing from the line at the lubrication
point.
5. Tighten the fitting at the lubrication point while lubricant is still flowing.
TI11098
6. Remove the hand pump and reinstall the performance indicator or indicator port plug removed in
Step 2.
NOTE: If check valves were not installed at the lubrication point, lubricant may continually drain out of the line
when the secondary port is open. Therefore, when
check valves are not used, the method for bleeding this
line is to tighten the line at both ends and repeatedly
cycle the secondary divider valve via hand pump operation until lubricant, free of air, flows from the lubrication
point
8 312497G
Section 2: Purging Air from Master to Secondary Divider Valve Lube Lines
Repair
SECONDARY
MASTER
REMOVE INDICATOR
OR PORT PLUG
HAND PUMP
FIG. 7
Steps 1- 9, refer to FIG. 7.
1. Install the lines from the master divider valve to the
secondary divider valve, but do not completely
tighten the connection at the secondary divider
valve’s inlet.
2. Remove the performance indicator port plug or the
performance indicator from the working valve section on the master divider valve assembly corresponding to the outlet port and the line connected to
the secondary valve.
3. Attach a hand pump filled with clean, filtered lubricant on the master divider valve that was opened in
Step 2.
4. Operate the hand pump until air-free lubricant is
observed flowing freely from the secondary valve’s
lube inlet connector.
LUBE POINT
AFTER BLEEDING INLET,
REMOVE ALL INDICATORS
OR PORT PLUGS AND BLEED
ALL PORTS
BLEED HERE
FIRST
TI11113
5. Tighten the fitting at the secondary valve’s inlet
while lubricant is still flowing.
6. Remove all of the indicators or indicator port plugs
from the secondary divider valve’s working sections.
7. Operate the hand pump again until air-free lubricant
is observed flowing out of all the secondary divider
valve’s indicator ports.
8. Reinstall all of the performance indicators or port
plugs in the secondary divider valve while lubricant
is still flowing from the ports.
9. Remove the hand pump and reinstall the performance indicator or indicator plug removed in Step 2
into the master divider working valve’s open port.
The system is now ready for operation.
312497G 9
Repair
Section 3: Purging Air from Pump to Master Divider Valve Lines
LUBE POINT
SECONDARY
MASTER
BLEED THROUGH
ALL PORTS
SYSTEM PUMP
FIG. 8
Steps 1-3, refer to FIG. 8.
1. Install the line from the system pump to the master
divider valve, but do not completely tighten the connection at the master valve’s lube inlet.
2. Cycle the system pump until air-free lubricant is
observed flowing from the line at the master divider
valve’s lube inlet.
3. Tighten the fitting at the lube inlet port while lubricant is still flowing.
The system is now ready for operation.
TI11114
10 312497G
Section 4: Purging Air After Adding or Replacing a Master Divider Valve Module
LUBE POINT
SECONDARY
BLEED
HERE
TI11116
FIG. 9
MASTER
NEW VALVE
BLOCK
DISCONNECT
LINE
HAND PUMP
Repair
Steps 1-7, refer to FIG. 9.
1. Install the new or replacement module into the master divider valve assembly. Also connect the tubing
or hoses to the appropriate secondary divider
valve(s) or lubrication point(s) if the new/replacement module is a base section.
2. Do not completely tighten the connection(s) at the
secondary divider valve’s inlet or at lubrication
points.
3. Disconnect and remove the line from the pump at
the inlet of the master divider valve.
4. Attach a hand pump filled with clean, filtered lubricant to the inlet port on the master divider valve.
5. Operate the hand pump until air-free lubricant is
observed flowing from each secondary valve’s lube
inlet connector and/or each lubrication point’s connector.
6. Tighten the fitting at the secondary valve inlet or at
the lubrication port while lubricant is still flowing.
7. Remove the hand pump and reconnect the system
pump to the inlet of the master divider valve.
The system is now ready for operation.
312497G 11
Repair
Section 5: Purging Air After Adding or Replacing a Secondary Divider Valve Module
BLEED HOSE
HERE
LUBE POINT
SECONDARY
REMOVE INDICATOR
OR PORT PLUG
MASTER
NEW VALVE
BLOCK
BLEED
HERE
HAND PUMP
FIG. 10
Steps 1-8, refer to FIG. 10.
1. Install the new or replacement module to the secondary divider valve assembly. Also connect the
tubing or hoses to the appropriate lubrication point if
the new/replacement module is a base section.
2. Do not completely tighten the connection(s) at the
lubrication point.
3. Remove the performance indicator or indicator port
plug from the working valve section on the secondary divider valve assembly corresponding to the outlet port and line connected to a particular lube point.
4. Attach a hand pump filled with clean, filtered lubricant to the port on the secondary divider valve that
was opened in Step 3.
TI11115
5. Operate the hand pump until air-free lubricant is
observed flowing from the loosened connector at
the lube point.
6. Tighten the fitting at the lube point while lubricant is
still flowing.
7. Repeat Steps 3 - 6 for any additional lubrication
points connected to the new module.
8. Remove the hand pump and reinstall the performance indicator or port plug removed in Step 3 into
the secondary divider valve’s open port.
The system is now ready for operation.
12 312497G
Repair
Locating and Repairing Blockages
Blocks will cause a higher than normal pumping pressure. Depending on the application or system design,
this blockage will usually result in a complete loss of
lubricant flow into the total system and no bearing will be
receiving lubrication.
The loss of flow due to a blockage is first indicated with
the higher than normal system pressure that is developed by the pump as it attempts to overcome this blockage. Higher pressure is limited, isolated and signaled
through the use of various performance indicators, reset
and relief, incorporated into the system design.
Performance Indicators
Performance indicators are pressure-sensitive devices
that pinpoint excessive pressure in the lubricating system.
These devices are installed in the indicator ports of
divider valves, signal a fault either by causing an indicator pin to protrude or by releasing lubricant into the
atmosphere.
NOTE: Never block a lube outlet that is designed to discharge lubricant.
Reset Indicator with Memory
Reset indicators stop lube system operation when a
fault occurs. These devices can be used in either master
or secondary divider valves.
When a lube line becomes blocked, the resultant high
pressure pushes the indicator pin through the opening in
the cap. The high pressure prevents the affected divider
valve piston from completing its cycle, causing a pressure backup through the divider valve which trips a pressure switch upstream from the valve and shuts off the
pump.
The indicator pin remains extended until it is reset manually. This helps locate the lube line that is blocked.
Rupture Indicator
Rupture indicators are used on MSP/MH divider valve
applications where lube system pressure exceed 2500
psi. The high pressure from the lube line blockage
causes a disc to rupture. The lubricant then forces an
indicator to protrude, locating the blockage. The high
pressure backs up through the system and trips a switch
to shut the system off. When the fault is corrected, the
disc must be replaced and the pin reset manually.
Automatic Relief Indicator
An automatic relief indicator pinpoints lube line blockage
but allows the lube system to continue supplying lubricant to points that are not blocked. They are used primarily in secondary divider valves. The excessive
pressure created by line blockage moves a piston,
enabling the lubricant to escape through a vent. When
the pressure is relieved, the spring resets the piston.
Because these devices permit the lube system to keep
operating when a lube point is blocked, a separate pressure switch connected to an audible alarm should be
used to warn of high pressure.
Locating and Repairing Blockages
1. Make a visual inspection of the system. Check for
crushed lines or improper divider valve installation.
2. Verify that each divider valve outlet required to discharge lubricant can do so and that no pipe plugs
have been installed in an outlet designed to serve a
bearing or another divider valve.
3. Use a manual pump with a gauge. Fill the pump with
clean, filtered lubricant. Connect the manual pump
to the inlet of the master divider valve and slowly
operate pump. If system will not cycle freely, below
1500 psi, see Master Divider Valve Equipped with
Performance Indicator [Step 4a (below)].
NOTE: Use only clean oil filtered to the SAE -recommended cleanliness level of ISO 18/14 (ISO Standard
4406) when prefilling a system. The manufacturers of
the machine tool and its component bearings should be
consulted to ensure that the ISO 18/14 cleanliness level
is adequate.
312497G 13
Repair
4a. Master Divider Valve Equipped With Performance
Indicator
With manual pump connected to the master divider
valve as outlined in Locating Blockages, Step 3,
raise pressure to 2000 psi. The indicators in the
indicator ports will signal the location of the blockage. An indicator in the up position indicates pressure is in that outgoing line and signals the blockage
is in the area being served from this outlet (F
IG. 11).
If no indicator pins are protruding, the blockage is in
the master divider valve.
HAND PUMP
LUBE
INDICATOR PIN UP
MASTER
DIVDER
VALVE
SECONDARY
DIVIDER
VALVE
OUTLETS
TI11103
FIG. 11
4b. Master Divider Valve Equipped Without Performance
Indicator
1) With manual pump connected to the master
divider valve as outlined in Locating Blockages,
Step 3, raise pressure to 2000 psi.
2) Remove, one at a time, each indicator port plug
and attempt to operate manual pump after each
plug is removed. Do not exceed 2000 psi.
NOTE:
• If all indicator port plugs are removed, the master
will not cycle. Blockage is in this divider valve.
• When indicator port plug of a blocked area is
removed, a small shot of trapped lubricant will usually surge out of this outlet as the inlet pressure on
the divider valve drops.
• If testing (Step 4) indicates a blockage in the master
divider valve, this divider valve must be disassembled and cleaned. See Clean Divider Valve, Step 7,
page 15.
HAND PUMP
MASTER
DIVDER
VALVE
SECONDARY
DIVIDER
VALVE
SYSTEM PUMP
LUBE
OUTLETS
INDICATOR
PORT
PLUGS
REMOVED
TI11104
FIG. 12
5. If in Step 4, a blockage has been indicated
downstream of the master divider valve, install a
manual pump in the indicator port of the master
divider valve that is common to the blocked area.
(See F
IG. 12).
a. Proceed to downstream secondary divider valve
and remove all indicator port plugs.
3) If pressure drops and the master cycles freely
after an indicator port plug is removed, then
blockage is downstream in the area that is being
served from that outlet. See Locating Block-
b. Slowly operate manual pump. If lubricant can be
discharged freely through each of the indicator
ports of this divider valve, the blockage is not in
the supply line or the divider valve. Go to step 6.
ages, Step 3.
If lubricant is not freely discharged through
open indicator ports of the second divider valve,
the blockage is in this divider valve or its supply
line. Disconnect supply line at secondary inlet
14 312497G
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