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Torit Downflo SDF-2, Инструкция по установке и эксплуатации

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Donaldson Company, Inc. © 1995

27

NOTE:   From CUR 3 wrap wire lead 1 turn

through sensor core CUR 1 before
returning to CUR 3.

From 460VAC 60Hz, 3 Phase
Disconnect means and circuit protection by others

Figure 27

Wiring Diagram 208 Volt - 60 Hz, 3PH – 3, 5, 7-1/2, 10 hp

FFFFFigure 26

Wiring Diagram 460 Volt - 60 Hz, 3PH – 3, 5, 7-1/2, 10 hp

MOTOR STARTER

From 208VAC 60Hz, 3 Phase
Disconnect means and circuit protection by others

NOTE:   From CUR 3 wrap wire lead 1 turn

through sensor core CUR 1 before
returning to CUR 3.

L2

L3

T1

115VAC

250VA

G

L1

FU1

FU2

1-1/2A

1-1/2A

H4

H3

H2

H1

X1

X3

X2

FU3

3-2/10A

N

L2

L1

L3

M1

OL1

T1 T2 T3

IT3

BLOWER

3,5,7-1/2,10 hp

IN

1

TB1

OL1

7

6

MOTOR STARTER

8

CLEANING
VALVE NO. 1

TB9

TB6

OUT

TB1A

IN

HOT

2

N1

N

CLEAN AIR TEMPERA-

TURE

OUT

NEUT

TB2

ON/OFF

TE1

4 5

CUR 1

INTERFACE

BOARD

TB4

TEMP 1

CONTROL BOARD

T3

IT3

CUR 3

2

RELAY
1

RELAY
2

RELAY 3

RELAY 4

RELAY
5

RELAY 6

TB12

RELAY 7

A1

M1

A2 95 96

SV1

SV2

SV3

SV4

SV5

SV6

CLEANING
VALVE NO. 2

CLEANING
VALVE NO. 3

CLEANING
VALVE NO. 4

CLEANING
VALVE NO. 5

CLEANING
VALVE NO. 6

9

10

11

12

13

TB10

TB11

TB8

TB7

IT3

T1

T2

OL1

T3

L3

L2

BLOWER

3,5,7-1/2,10 hp

L1

G

L1

L2

M1

L3

H3

H4

X1

X2

3A

FU1

250VA

T1

H1

H2

115VAC

X3 N

CONTROL BOARD

TB1

HOT

IN

OUT

1

TB1A

IN

2 N N1

OUT

NEUT

TB2

ON/OFF

CLEAN AIR TEMPERA-

TURE

TB4

TEMP 1

5

TE1

4

CUR 1

CUR 3

T3

IT3

INTERFACE

BOARD

2

13

TB12

12

11

RELAY 3

TB9

TB10

TB8

10

9

8

TB7

TB11

RELAY
1

TB6

CLEANING
VALVE NO. 6

CLEANING
VALVE NO. 5

CLEANING
VALVE NO. 4

CLEANING
VALVE NO. 3

CLEANING
VALVE NO. 2

CLEANING
VALVE NO. 1

OL1

M1

7

96

95

A2

A1

RELAY
5

RELAY 6

RELAY 7

6

SV6

SV5

SV4

SV3

SV2

SV1

RELAY
2

RELAY 4

3A

FU2

3-2/10A

FU3

Содержание Downflo SDF-2

Страница 1: ...IBRA WEB ULTRA TEK FILTER ELEMENTS This manual contains specific precautionary statements relative to worker safety in appropriate sections Read this manual thoroughly and comply as directed It is impossible to list all of the potential hazards of dust control equipment It is imperative that use of the equipment be discussed with a Torit representative Personnel involved with the equipment or syst...

Страница 2: ...ous metals due to the potential fire hazard caused by sparks being pulled into the dust collection equipment When collection equipment is used to collect flammable or explosive dusts the dust collection equipment should be located outside the building Also an installer of fire extinguishing equipment familiar with this type of fire hazard and local fire codes should be consulted for recommendation...

Страница 3: ...ut Filter Element Removal 42 43 6 4 Dust Removal Dust Container 43 44 6 4 1 Dust Removal Hopper Model 44 6 5 Compressed Air Components 45 6 6 Electrical Service 45 7 0 Troubleshooting Guide 46 52 Parts Ordering Information 54 Warranty 54 Notes and Cautions 2 Data Sheet 3 Figures 4 1 0 Introduction 6 1 1 Operational Explanation 6 1 1 1 Normal Operation 6 1 1 2 Filter Cleaning 7 2 0 Installation 7 2...

Страница 4: ...e Enclosure 23 Figure 20 Wiring Diagram 575V 60Hz 3PH 3 5 7 1 2 10 hp 24 Figure 21 Wiring Diagram 380V 50Hz 3PH 3 5 hp 24 Figure 22 Wiring Diagram 380V 50Hz 3PH 7 1 2 hp 25 Figure 23 Wiring Diagram 230V 60Hz 3PH 3 5 7 1 2 10 hp 25 Figure 24 Wiring Diagram 200V 50 60Hz 3PH 3 5 hp 26 Figure 25 Wiring Diagram 200V 50 60Hz 3PH 7 1 2 10 hp 26 Figure 26 Wiring Diagram 460V 60Hz 3PH 3 5 7 1 2 10 hp 27 Fi...

Страница 5: ...ess Panel to BlowerCompartment Air Manifold Assembly Screwed on Rear Access Panel to Clean Air Manifold Inlet Collar Venturi Lift Assembly Dust Container T Handle Quick Latch Hinged Access Door to Dust Container Tool Operated Fastener CompressedAirInlet 1 2 National Pipe Threads or British Pipe Threads DustContainer Checker Board Diagnostic and ControlPanel Sprinkler Taps not shown not supplied st...

Страница 6: ...he collection of airborne dust and particulate The model SDF collector provides highly efficient continuous on line dust collection The Torit Built filter elements are the heart of the model SDF dust collector These filter elements help ensure that clean air is returned to the plant environment Technical and field support are always available from your local Torit representative and distributors N...

Страница 7: ...Checker Board Magnehelic Gage Photohelic Gage Slide Gate 55 Gallon Drum Cover Pack 5 Gallon Pail Pack Flex Trunk Assembly Weather Hood Explosion Vents Most cabinets are shipped completely assembled with the filter cartridges installed 2 3 Equipment ToolsRequired The following is a list of typical tools and equipment required to install and assemble a Downflo SDF unit Crane Lift Truck Pipe Wrenches...

Страница 8: ...3 Inlet Collar See Figure 5 Inlet Collar Place 1 4 diameter sealant between the cabinet side or top and the inlet collar Attach the collar using the eight 8 6 32 thread cutting screws provided 2 5 4 Adapter to Round Outlet See Figure 6 Adapter Pack to Round Outlet Place the 3 16 x 1 2 rubber seal between the cabinet top and the outlet adapter Attach the outlet adapter to the cabinet using the clam...

Страница 9: ...ny Inc 1995 9 Wing Nut 3 8 Flat Washer OutletAdapter Rubber Seal Cabinet Top Ref Clamp Hook Figure 6 Adapter Pack to Round Outlet Cabinet Top or Side 1 4 Diameter Sealant 6 32Screws Inlet Collar Figure 5 Inlet Collar ...

Страница 10: ... Company Inc 1995 Figure 7 Adapter Pack Auto Lok Ultra Lok Auto Lok Ultra Lok Assembly Cabinet Top Ref Adapter 3 16 x 1 1 4 Gasket 3 8 x 1 1 4 Gasket 10 24 x 7 16 Screw Wing Nut 3 8 Flat Washer Set Screw Clamp Hook ...

Страница 11: ...5 11 Figure 8 Adapter Pack HEPA Activated Carbon Cabinet Top Ref Adapter 3 16 x 1 1 4 Gasket Filter Retainer Bar 1 4 20 x 3 4 Bolt 1 4 Flat Washer 1 4 x 3 4 Gasket 3 8 Flat Washer Set Screw Wing Nut HEPA CarbonFilter Clamp Hook ...

Страница 12: ...Place the 1 4 x 3 4 gasket between the adapter and the HEPA or Activated Carbon filter as shown Use the filter retainer bar and the 1 4 bolts and washers to attach the filter to the adapter The sliding damper will not operate with these adapters 2 5 7 Leg Pack SDF See Figure 9 Leg Pack SDF The SDF units that are not furnished with a dust container will have an internal hopper with a base to attach...

Страница 13: ...13 Figure 10 55 Gallon Drum Pack and 5 Gallon Pail Pack Attach to SDF Base as Shown 5 Gallon Pail Pack With or Without Gate 55 Gallon Drum Pack With or Without Gate With or Without Latches SDF Base 1 4 Dia Seal Bolts Washers Nuts ...

Страница 14: ... are on the base Access to the bolts is through the hinged door Be sure to use sealant to seal between the drum cover and the base 2 5 9 5 Gallon Pail Pack See Figure 10 55 Gallon Drum Pack and 5 Gallon Pail Pack Attach the 5 gallon pail cover and the 5 gallon pail cover with gate as shown in Figure 10 55 Gallon Drum Pack and 5 Gallon Pail Pack 2 5 10 Bin Vent Base Pack See Figure 11 Bin Vent Base...

Страница 15: ... M 6 Thread Cutting Bolts 12 Req d M 6 Hex Bolts 8Req d Detail A 1 4 Diameter Sealant Flex Trunk Adapter Use the bolts that are removed from the cover plate in Detail A See Detail A Flex TrunkAssembly 7 FootShown Swivel Base 5 16 Screw 5 16 Washer Cover Plate 1 4 Diameter Sealant ...

Страница 16: ...it with the M 16 set screw provided Place 1 4 diameter sealant between the cabinet top and the weatherhood Position the weatherhood over the cabinet outlet as shown in Figure 13 Weatherhood Pack and attach the weather hood to the cabinet using the four M 6 bolts provided These bolts should be inserted through the slots on the cabinet roof and screwed into the weld nuts on the weatherhood Replace t...

Страница 17: ...Donaldson Company Inc 1995 17 Figure 13 Weatherhood Pack Weatherhood 1 4 Dia Sealant Cabinet Shown with Rear Access Panel Removed M 6 Bolt Replace Lift Lug with Set Screw ...

Страница 18: ... that are removed from the cover plate in Detail A Tighten bolts only until vent flange begins to deform Do not overtighten Hex Bolt 12 x 12 Explosion Vent Lock Washer Hex Nut 12 x 12 ExplosionVent Detail A Remove cover plate Remove all bolts on cover plate and save the bolts for attaching the explosion vents to the cabinet See Detail A ...

Страница 19: ...let 1 2 National Pipe Threads or British Pipe Threads DustContainer Blower Pack Screwed onRear Access Panel to BlowerCompartment Lifting Eyes Opening for ExplosionVents 1 8 NPT Coupling HighPressure 1 8 NPT Coupling LowPressure 3 4 NPT Couplingsfor Electrical Connections Air Manifold Assembly Screwed on Rear Access Panel to Clean Air Manifold Filter Element Venturi Sprinkler Taps not shown not sup...

Страница 20: ... Enclosure 4 Unwired with the Checker board in a remote enclosure see Figure 19 Unwired with Checker Board in Remote Enclosure The pre wired version with the Checker board on the unit has been completely wired at the factory Before it is ready for operation a plug must be attached to the power cord and the unit must be connected to a duct The unwired version with the Checker board on the unit has ...

Страница 21: ...ubing Safety Filters Checker board Door Shown in OpenPosition Figure 17 Unwired with Checker Board on Unit Safety Filters Vinyl Tubing Access for Wiring toMotor Mounting Panel for MotorStarter Access for PowerCord To Low Pressure To High Pressure Wiring to Solenoid Valves Wiring to TemperatureSensors Door Shown in OpenPosition Checkerboard ...

Страница 22: ...p in the remote enclosure see Wiring Diagrams Figures 20 through 27 4 Drill mounting holes in the electrical compartment to accept the bulkhead pneumatic fittings shipped with the collector Install them on the most convenient side of the collector typically adjacent to the conduit Connect the 1 8 ID vinyl tubing from the pressure taps inside the electrical compartment to the bulkhead fittings and ...

Страница 23: ...alled conduit between the motor connection box and the electrical compartment NOTE Explosion vent SDF collectors do not contain an electrical compartment or internal conduit for wiring Two 3 4 couplings are provided on the outside of the collector for electrical wiring access see Figure 15 SDF 4 with Explosion Vents Phantom View All wiring on these units must be done by a qualified electrician acc...

Страница 24: ...1 T3 IT3 CUR 1 2 INTERFACE BOARD RELAY 1 M 1 OL1 7 6 A1 A2 95 96 RELAY 2 RELAY 3 RELAY 4 RELAY 5 RELAY 6 9 8 10 11 12 13 SV1 SV2 SV3 SV4 SV5 SV6 CLEANING VALVE NO 1 CLEANING VALVE NO 2 CLEANING VALVE NO 3 CLEANING VALVE NO 4 CLEANING VALVE NO 5 CLEANING VALVE NO 6 RELAY 7 TB7 TB8 TB9 TB6 TB10 TB11 TB12 TB1 TB1A TB4 TB2 CUR 3 G L2 L3 L1 FU1 1 5A L1 L2 L3 M 1 IT3 T1 T3 T2 OL1 BLOWER 3 5 hp V1 W1 U1 ...

Страница 25: ...ING VALVE NO 4 CLEANING VALVE NO 3 CLEANING VALVE NO 5 SV6 TB1213 12 11 10 9 RELAY 7 SV5 SV4 SV3 SV2 SV1 CLEANING VALVE NO 2 CLEANING VALVE NO 1 TB8 TB9 TB11 TB10 TB7 RELAY 5 RELAY 4 RELAY 3 RELAY 6 RELAY 2 N 1 N 1 M 5 M 3 M 1 TR1 6 95 96 OL1 M 1 M 3 A1 A1 A1 8 A1 A2 A2 TR1 A2 A2 7 8 9 15 15 21 13 14 54 53 18 21 22 16 22 CLEAN AIR TEMPERATURE DELTA CONTACTOR MAIN CONTACTOR WYE CONTACTOR TIME DELAY...

Страница 26: ... 13 2 12 11 10 9 8 6 A1 M 1 A2 7 OL1 95 96 SV6 SV5 SV4 SV3 SV2 SV1 CLEANING VALVE NO 6 CLEANING VALVE NO 5 CLEANING VALVE NO 4 CLEANING VALVE NO 3 CLEANING VALVE NO 2 CLEANING VALVE NO 1 MOTOR STARTER BLOWER 3 5 hp L3 L2 L1 G FU1 FU2 3A 3A L2 L1 T1 T2 L3 T3 M 1 OL1 T1 T2 V1 U1 T3 W1 5 5 KW BLOWER 7 1 2 10 hp M 5 T1 L1 L3 L2 T2 T3 V2 T5 U2 T4 T6 W2 L1 21 T1 M 3 T2 L2 L3 T3 Y STARTER 9 8 15 15 18 16...

Страница 27: ... 2 N 1 N CLEAN AIR TEMPERA TURE OUT NEUT TB2 ON OFF TE1 4 5 CUR 1 INTERFACE BOARD TB4 TEMP 1 CONTROLBOARD T3 IT3 CUR 3 2 RELAY 1 RELAY 2 RELAY 3 RELAY 4 RELAY 5 RELAY 6 TB12 RELAY 7 A1 M 1 A2 95 96 SV1 SV2 SV3 SV4 SV5 SV6 CLEANING VALVE NO 2 CLEANING VALVE NO 3 CLEANING VALVE NO 4 CLEANING VALVE NO 5 CLEANING VALVE NO 6 9 10 11 12 13 TB10 TB11 TB8 TB7 IT3 T1 T2 OL1 T3 L3 L2 BLOWER 3 5 7 1 2 10 hp ...

Страница 28: ...re 28 Remote Checker Board Assembly Control Panel Label Remote Checker board Assembly Kit Low Pressure Clean Air ControlBox Terminal Strip Flat Cable High Pressure Dirty Air High and Low Pressure Fittings ControlBox Cover of Control Box ...

Страница 29: ...er board the timer will be wired to the solenoid valves If the timer is to be remote mounted it will be furnished unwired A properly sized motor starter needs to be mounted in addition to the timer Using the wiring diagram in Figure 29 SDF Solid State Timer Wiring Diagram make the proper connections to the blower motor blower motor starter and solid state timer After attaching the plug and startin...

Страница 30: ...ic and control panel or when the Photohelic gage is used as an internal control of the solid state timer the valves will pulse only when the differential pressure reaches the high set point and will continue the pulse sequence until the lowest pressure setting is reached see Figure 1 SDF 4 Phantom View and Figure 29 SDF Solid State Timer Wiring Diagram 2 6 1 Electrical Operation All functions on t...

Страница 31: ... at 19 7 watts each 2 6 4 Magnehelic Gage See Figure 30 Magnehelic Gage Figure 31 Remote Mounted Magnehelic Gage Some units are supplied with an optional Magnehelic gage where the gage pressure taps and tubing have been preinstalled in our factory Zero and maintain the Magnehelic gage per the operating and maintenance instructions provided by the manufacturer of the Magnehelic gage For remote moun...

Страница 32: ...mote Mounted Magnehelic Gage Magnehelic Gage Screw Self Drilling Mounting Panel Figure 30 Magnehelic Gage Plastic Tubing Tubing Male Adapters 1 8 NPT Low Pressure Port Ref High Pressure Port Ref Dirty Air Plenum Clean Air Plenum Magnehelic Gage ...

Страница 33: ...cian according to the national and local electrical codes that apply All electrical power must be shut off duringinstallation Do not apply in hazardous classified atmospheres NOTE Do not mount controls in a high vibration area without shock mounts Do not mount controls in corrosive atmospheres without an appropriate enclosure Do not operate with the enclosure open Figure 32 P Control Display ...

Страница 34: ... the pressure drops that start and stop the cleaning process and the Alarm setpoint 4 Press and hold one of the setpoint push buttons While holding down the push button use the up and down arrow keys to adjust that setting The setpoints will always be in the same units as chosen for the pressure display Adjust the remaining values in the same manner Optional Settings 230 Volt Power Supply To opera...

Страница 35: ...e the jumper from the ALARM position Disabling the Alarm Relay reduces the alarm function to lighting the LED on the user interface Reinstalling the jumper in the SLAVE position upper and middle pins causes the AUXILIARY relay to operate in parallel with the HI LO CONTROL relay If the jumper is not installed in either position the AUXILIARY relay does not function Analog Output Locate the terminal...

Страница 36: ...ote Mounted Photohelic Gage Screw Self Drilling Photohelic Gage MountingBracket Figure 34 Photohelic Gage Tubing Male Adapters 1 8 NPT Low Pressure Port Ref High Pressure Port Ref Plastic Tubing Photohelic Gage Dirty Air Plenum Clean Air Plenum ...

Страница 37: ...ufacturer of the Photohelic gage For remote mounted gages the plastic tubing will determine the distance away from the unit that the gage can be located If more tubing is required please contact your local Torit representative Mount the remote gages as shown in Figure 35 Remote Mounted Photohelic Gage Make the connections as shown in Figure 32 Photohelic Gage The high pressure port is connected to...

Страница 38: ...all compressed air connections Use quick disconnect fittings if possible Be sure that all compressed air components are adequately sized to meet the maximum system requirements of 1 1 scf per pulse at 90 100 psig supply pressure If the compressed air inlet adapter is used to convert the NPT threads to British pipe threads see Figure 3 Compressed Air Inlet Adapters for assembly NOTE It is important...

Страница 39: ...be lifted from its two mounting pins and removed through the dust compartment door 4 0 START UP 1 Turn on the compressed air supply to the Downflo model SDF dust collector compressed air manifold Adjust to 90 psig of pressure minimum Pressure of 90 100 psig is the most typical setting for satisfactory cleaning performance see Section 5 0 Operating Adjustments The lower the compressed air setting t...

Страница 40: ...c gage can be used with the solid state timer If the filter elements are operating at a higher than design P it may be lowered by increasing the frequency of cleaning The minimum off time elapsed time between pulses is 1 1 5 seconds Additional cleaning energy may be obtained by adjusting the pressure upward to a maximum of 100 psig Pulse ON TIME can be checked or adjusted by consulting your local ...

Страница 41: ...ted by using the outlet damper located on the top of the unit see Figure 1 SDF 4 Phantom View Turn the two knobs to loosen them While still grasping the knobs slide the damper plate The more the damper is closed the more the airflow will be restricted The damper will give the maximum airflow through the collector when fully open 5 5 Operating Checks Monitor the exhaust visually Exhaust should rema...

Страница 42: ...ber glove loosen the filter by unscrewing the wing nut counterclockwise by hand 6 0 SERVICE 6 1 Filter Element Removal 1 Loosen filters beginning with the top row by unscrewing the wing nuts counterclockwise by hand see Figure 1 SDF 4 Phantom View 2 Move the filters to break the gasket seals between the filter and the sealing surface Rotate the filter slowly 1 2 turn to dump any loose dust off the...

Страница 43: ...wo inches apart see Figure 39 Bag Out Filter Removal Cut the bag between the cable ties Dispose of the filter properly 5 Remove the strap and the remainder of the bag from the collar Dispose of properly 6 4 Dust Removal Dust Container Turn off the dust collector and empty as neces sary keeping the dust in the dust container to a maximum of 2 3 full See Service Interval setting in the Maintenance R...

Страница 44: ...iner from the gasketed flange Remove the dust container by grasping the hand holds on the sides and pulling the container forward Lift the container and dispose of the contents into the proper receptacle Replace the dust container and seal it against the gasketed flange by pulling the handle on the dust container up and in Close the hinged access door and turn the two latches clockwise to seal the...

Страница 45: ...eck any compressed air filter dryer components and service them by installing new compressed air filters and draining any moisture off by following manufacturer s instructions 2 Check the Downsized Downflo compressed air manifold for contamination oil and or water Clean or drain if necessary 3 With the compressed air supply turned on check the cleaning valves solenoid valves and tubing for any lea...

Страница 46: ... your voltage reference Motor Manufacturer Wiring Diagram on motor 1c Correct wiring for proper input voltage 1d Check input to motor circuits for voltage on all leads 1e Check the electrical supply circuit for proper output voltage or fuse circuit breaker fault Replace if necessary 1a Check for proper motor starter overload relay Replace with proper value overload relay if needed 1b Tighten acces...

Страница 47: ...t filter elements see Figure 1 SDF 4 Phantom View and install as in Section 6 2 Filter Element Installation located in this manual 2 Tighten filter wing nuts securely see Figure 1 SDF 4 Phantom Viewand Section 6 2 Filter Element Installation located in this manual 1 Check blower rotation The rotation should be clockwise looking down on top of the blower motor see Figure 1 SDF 4 Phantom View and Se...

Страница 48: ...e Figure 1 SDF 4 Phantom View and Section 6 2 Filter Element Installation located in this manual 4b Check compressed air supply for 90 psig minimum See Figure 1 SDF 4 Phantom View Increase pressure as described in Section 5 0 Operating Adjustments located in this manual 4c Check supply voltage to the timer board with a volt ohm meter Check the fuse on the timer board If the fuse is blown replace i...

Страница 49: ...a Lock out all electrical power to the model SDF and bleed off the compressed air supply Check for debris valve wear or diaphragm failure by removing the diaphragm cover on the pulse valves Also check for solenoid leakage and or damage If pulse valves or solenoid valves and solenoid tubing are damaged replace part s 5b Check supply voltage to the timer board with a volt ohm meter Check the fuse on...

Страница 50: ... P Control is on but does not start the cleaningsystem 5c Refer to Section 2 6 3 Solid State Timer Specifications located in this manual and to Figure 29 SDF Solid State Timer Wiring Diagram 1 Use multimeter to check for voltage at the terminals of TB1 2 Check the fuse in fuse tower F1 Replace if bad 1 Disconnect pressure tubing Recalibrate per Section 5 3 P Control Calibration 2 Recalibrate with ...

Страница 51: ...ove the Pressure Switch jumper wire before wiring to the P Control 2 Be sure that the Pressure Switch connection on the timer board is connected to terminals 7 8 on TB3 3 Adjust setpoints to usable values 4 Check tubing for kinks breaks contamination and loose connections 1 Adjust alarm setpoint to a higher value 2 Check cleaning system and compressed air supply replace filter elements if they wil...

Страница 52: ... to the timer board with multimeter Check the fuse on the timer board Replace with identi cal fuse if necessary 4 If LED is illuminated observe the output LEDs Install a temporary jumper across the Pressure Switch terminals Output LEDs should flash in sequence Check output using an analog multimeter set to 150 VAC range Measure from SOL COM to a solenoid output The meter needle will deflect if vol...

Страница 53: ...Donaldson Company Inc 1995 53 NOTES NOTES NOTES NOTES NOTES ...

Страница 54: ... Donaldson and is expressly in lieu of all other warranties expressed or implied including any warranty of merchantability or fitness for a particular purpose or use There are no warranties which extend beyond the foregoing No agent employee or representative of Donaldson has any authoritytobindDonaldsontoanyaffirmation representation orwarrantyconcerningthe goodssoldunderthissalescontractandunles...

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