Nordson Rhino Customer Product Manual
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Nordson Rhino Customer Product Manual

Nordson Rhino Customer Product Manual

Electric changeover unloaders
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Electric Changeover
r
Rhino
Unloaders
Customer Product Manual
Part 229762-02
Issued 6/15
NORDSON CORPORATION
AMHERST, OHIO
USA
D
D

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  • Page 1 Electric Changeover Rhino Unloaders Customer Product Manual Part 229762-02 Issued 6/15 NORDSON CORPORATION AMHERST, OHIO...
  • Page 2 Amherst, OH 44001 Notice This is a Nordson Corporation publication which is protected by copyright. Original copyright 1997. No part of this document may be photocopied, reproduced, or translated to another language without the prior written consent of Nordson Corporation. The information contained in this publication is subject to change without notice.
  • Page 3 ..........Section B 4 Part 229762-02 E 2015 Nordson Corporation...
  • Page 4 Table of Contents Part 229762-02 E 2015 Nordson Corporation...

  • Page 5: Table Of Contents

    ........A 2-7 Part 229762-02 E 2015 Nordson Corporation...

  • Page 6: Table Of Contents

    4. Changing to a Different Material ......A 4-11 Part 229762-02 E 2015 Nordson Corporation...
  • Page 7 2. Troubleshooting Procedures ......A 6-2 Part 229762-02 E 2015 Nordson Corporation...

  • Page 8: Part

    Table of Contents Part 229762-02 E 2015 Nordson Corporation...
  • Page 9 Part A, Section 1 Safety Part 229762-02 E 2015 Nordson Corporation...
  • Page 10 A 1-0 Safety Part 229762-02 E 2015 Nordson Corporation...

  • Page 11: Section A 1

    Section A 1 Safety Introduction This section contains general safety instructions for using your Nordson equipment. Task- and equipment-specific warnings are included in other sections of this manual where appropriate. Note all warnings and follow all instructions carefully. Failure to do so may result in personal injury, death, or property damage.

  • Page 12: Section A

    WARNING: Injection hazard. Do not point this device at yourself or other personnel. Failure to observe this warning may result in serious injury or death. CAUTION: Failure to observe may result in equipment damage. CAUTION: Hot surface. Failure to observe may result in burns. Part 229762-02 E 2015 Nordson Corporation...

  • Page 13: Section A

    Nordson replacement parts failing to make sure that auxiliary equipment complies with approval agency requirements, local codes, and all applicable safety standards...

  • Page 14: Section A

    Protect equipment with safety devices as specified by applicable safety regulations. If safety devices must be removed for installation, install them immediately after the work is completed and check them for proper functioning. Part 229762-02 E 2015 Nordson Corporation...

  • Page 15: Section A

    Only qualified personnel, physically capable of operating the equipment and with no impairments to their judgement or reaction times, are permitted to operate this equipment. Read all component manuals before operating your Nordson equipment. A thorough understanding of components and their operation will help you operate the system safely and efficiently.

  • Page 16: Section A

    Make sure the liquid in the heater is circulated to the external circuit when the heater is operating. Do not use fluids that will corrode the equipment. Part 229762-02 E 2015 Nordson Corporation...
  • Page 17 Do not service or adjust any equipment unless another person trained in first aid and CPR is present. Use only genuine Nordson replacement parts. Using unapproved parts or making unapproved modifications to equipment may void agency approvals and create safety hazards.

  • Page 18: Disposal

    Wait five minutes for the capacitors to discharge after shutting off the electrical power. If a “power on” test is required, perform the test carefully and then shut off and lock out power as soon as the test is over. Part 229762-02 E 2015 Nordson Corporation...
  • Page 19 High-pressure fluids, unless they are safely contained, are extremely hazardous. A jet of high-pressure fluid can act like a knife or needle, penetrate skin and muscle, and inject itself into your body. Injected fluids can cause toxic poisoning. Part 229762-02 E 2015 Nordson Corporation...
  • Page 20 If possible, give the doctor copies of the MSDS for the injected fluid and for any additives, such as solvents, that are in the injected fluid. Nordson recommends that you carry a National Safety Equipment Manufacturers Association (NSEMA) wallet card to give to emergency medical staff in the event of an injection injury.
  • Page 21 Contact your coatings, solvent, or adhesive supplier for a nonhalogenated solvent to thoroughly flush the entire system before operating it. If you must use halogenated hydrocarbon solvents, consult your Nordson representative about compatible Nordson components. Part 229762-02...
  • Page 22 Trichlorofluoromethane Ethylene Dichloride N-butyl Iodide Methylene Chlorobromide Freon Methylene Chloride Propyl Iodide 1-1-1 Trichloroethane Monochlorobenzene Orthodichlorobenzene Perchloroethylene Trichloroethylene Disposal Dispose of equipment and materials used in operation and cleaning according to your local regulations. Part 229762-02 E 2015 Nordson Corporation...
  • Page 23 A, Section 2 Part Description Part 229762-02 E 2015 Nordson Corporation...
  • Page 24 Description About This Manual All general user information for your Rhino unloader can be found in Part A of this manual. Refer to Part B for specific repair and parts list information. The illustrations in this manual may not precisely match your bulk unloader due to product modifications or improvements.
  • Page 25 Secondary (B−Unit) 2742001A Fig. A 2-1 Electric changeover Rhino bulk unloaders An unloader normally pumps a constant supply of material to dispensing guns or process applicators. The hydraulic section of the unloader is a dual-acting, positive-displacement, demand-type operation pump. This pump can handle high-viscosity materials, some of which may be abrasive.
  • Page 26 For most applications, a blow-off assembly (10) is used to introduce air pressure under the follower plate. Then the operator can remove the follower plate from the container of material. Part 229762-02 E 2015 Nordson Corporation...
  • Page 27 3. Empty drum switch 9. Follower plate 14. Filter 4. Empty/low drum light tower 10. Blow-off assembly 15. Electric solenoid (air motor control) 5. Electrical junction box 11. Elevator control valve—DOWN position 6. Purge button Part 229762-02 E 2015 Nordson Corporation...
  • Page 28 The electrical junction box (5) is pre-wired to provide the following output signals: dirty filter drum A empty drum B empty drum A low drum B low runaway A runaway B Part 229762-02 E 2015 Nordson Corporation...
  • Page 29 The blow-off assembly provides air flow into the container beneath the follower plate. The blow-off air supply passes through a filter/separator, a pre-set non-adjustable regulator, a ball valve, and the follower plate. Refer to the Operation section for specific operating instructions. Part 229762-02 E 2015 Nordson Corporation...
  • Page 30 NEUTRAL position (12). The NEUTRAL position holds the elevator in place. In the NEUTRAL position, the frame cylinders do not release pressure. The follower plate should remain stationary, since the air pressure to both sides of the piston is sealed. Part 229762-02 E 2015 Nordson Corporation...
  • Page 31 (3) seals and prevents material from hardening on the shaft. A bleed valve (13) on the side of the pump body allows the operator to bleed air from the pump. Part 229762-02 E 2015 Nordson Corporation...
  • Page 32 2. Solvent chamber 7. Upper check 12. Down stroke 3. Packing gland 8. Lower check valve 13. Bleed valve 4. Outlet port 9. Lower check 14. Shovel 5. Upper check valve 10. Lower check seat Part 229762-02 E 2015 Nordson Corporation...
  • Page 33 A 2-9 Description Part 229762-02 E 2015 Nordson Corporation...

  • Page 34: Specifications

    Air Supply The customer must supply a single source of 4.8−6.9 bar (70−100 psi) air pressure to power the unloader(s). Options may depend on customer requirements. Contact your Nordson Corporation representative for additional details. Overall Dimensions Drum, per unloader Weight/Mass...

  • Page 35: Baseplate Mounting Holes

    (cublic cm/stroke) 24:1/48:1 Pumps 81.9 65:1 Pump 131.1 Maximum Stroke Rate 1 stroke per second (60 strokes per minute)—intermittent 1 stroke per 4 seconds (15 strokes per minute)—continuous Viscosity Range 30,000 centipoise−3 million centipoise Part 229762-02 E 2015 Nordson Corporation...

  • Page 36: Air Consumption

    See Figures A 2-4 and A 2-5 for air consumption data charts according to pump ratio. Actual consumption depends on system specifications, material composition, flow rate, and other factors. Air Consumption Inlet Pressure SCFM PSIG Strokes per Minute 2752008A Fig. A 2-4 Air consumption of the 24:1 pump Part 229762-02 E 2015 Nordson Corporation...
  • Page 37 A 2-14 Specifications Air Consumption (contd) Air Consumption Inlet Pressure SCFM PSIG Strokes per Minute 2752009A Fig. A 2-5 Air consumption of the 48:1 and 65:1 pumps Part 229762-02 E 2015 Nordson Corporation...
  • Page 38 A 2-15 Specifications Part 229762-02 E 2015 Nordson Corporation...
  • Page 39 A, Section 3 Part Installation Part 229762-02 E 2015 Nordson Corporation...

  • Page 40: Section A 3

    5. The pump outlet fitting on the hydraulic section is a female 1 NPTF pipe threads. Attach your material hoses to the pump outlets of both unloaders. Part 229762-02 E 2015 Nordson Corporation...

  • Page 41: Automatic Changeover Installation

    Blow-off air— -in. hose—special fitting Blow-off valve at follower Tee of blow-off air supply at Unit A with gasket (pipe thread) Air supply ball valve Shop Air— NPTF fitting None None NPTF at valve Part 229762-02 E 2015 Nordson Corporation...
  • Page 42 A 3-2 Installation Air Line Connections (contd) Primary Secondary 2742003A Fig. A 3-1 Air line connections Part 229762-02 E 2015 Nordson Corporation...

  • Page 43: Electrical Connections

    Description To Secondary Unit - Unit B B-Unit Low/Empty 5-pin cable Low/Empty Switch B-Unit Pump Control Valve 3-pin cable Pump Control Valve B-Unit Purge Switch 3-pin cable Purge Optional Filter Stand 5-pin cable Filter Part 229762-02 E 2015 Nordson Corporation...

  • Page 44: New Equipment Installation

    9. Elevator control valve—UP position 4. Solvent chamber 15. Elevator controls regulator 10. Air motor lubricator 5. Follower plate 16. Air motor lockout valve 11. Air motor regulator 6. Follower plate seals 17. CELL PLC junction box Part 229762-02 E 2015 Nordson Corporation...
  • Page 45 12. Make sure that the air hoses and material delivery hose are not kinked or pinched. 13. Connect your Programmable Logic Controller (PLC) cable from your system PLC to the junction box on the Primary Unit (A) port labeled CELL PLC (17). Part 229762-02 E 2015 Nordson Corporation...

  • Page 46: Verifying The Empty Drum Setting

    4. Raise and lower the unloader several times to make sure the empty-container bracket (2) is in the proper location, and trips the empty drum switch (3). Test the unloader operation and repeat step 3 as required. Part 229762-02 E 2015 Nordson Corporation...
  • Page 47 Rotate the arm counterclockwise to engage the bracket sooner. c. Fasten the arm in place with the set screw. d. Test the unloader operation and repeat steps a−c as required. Part 229762-02 E 2015 Nordson Corporation...
  • Page 48 A 3-8 Installation Part 229762-02 E 2015 Nordson Corporation...
  • Page 49 A, Section 4 Part Operation Part 229762-02 E 2015 Nordson Corporation...

  • Page 50: Section A 4

    WARNING: Wear protective clothing, goggles, and gloves when operating this equipment. Elevator Movement See Figure A 4-1. To operate your Rhino bulk unloader, you will initiate UP and DOWN elevator movement and place the elevator in the NEUTRAL position. This section provides specific directions for initiating these movements.
  • Page 51 11. Elevator control valve—NEUTRAL 5. Bleeder stem 18. Elevator controls gauge position 6. Follower plate 19. Lockout valve to air motor 12. Elevator control valve—UP position 7. Container hold down 13. Air motor lubricator Part 229762-02 E 2015 Nordson Corporation...

  • Page 52: New Equipment Startup

    6. Place the elevator control valve in the DOWN position (10) and slowly lower the follower plate (6) into the open container of material. To stop the follower plate, place the elevator control valve in the NEUTRAL position (11). Part 229762-02 E 2015 Nordson Corporation...
  • Page 53 14. Raise pressure to operating levels. When you reach normal operating pressure, the gun dispenses material smoothly, continuously, and without air bubbles. 15. See Figure A 4-1. Adjust the drip rate of the air motor lubricator (13) to one drip for every fifteen pump strokes. Part 229762-02 E 2015 Nordson Corporation...
  • Page 54 A 4-4 Operation New Equipment Startup (contd) Primary (A−Unit) Secondary (B−Unit) 2742006A Fig. A 4-2 Purge button locations 1. Purge push button Part 229762-02 E 2015 Nordson Corporation...

  • Page 55: Routine Operating Procedures

    A 4-5 Operation Routine Operating Procedures The following paragraphs provide information about the various routine operating procedures for Rhino bulk unloaders. Routine operating procedures include daily startup forced changeover temporary shutdown restart after temporary shutdown container changing extended shutdown restart after extended shutdown Daily Startup See Figure A 4-1.

  • Page 56: Forced Changeover

    NOTE: When you shut off the air supply to the unloader, air pressure to the controls is vented to atmosphere. The unloader remains in a neutral state until you turn on the air supply ball valve (16) and initiate UP or DOWN elevator movement. Part 229762-02 E 2015 Nordson Corporation...

  • Page 57: Restart After Temporary Shutdown

    Container Changing See Figure A 4-1. Follow these procedures to change the container of material for your Rhino bulk unloader. NOTE: You must bleed the pump every time that you change containers. This section contains procedures that detail how to bleed the pump.
  • Page 58 Tighten the bleeder stem. 17. Initiate DOWN elevator movement at the designated unit. 18. Open the air motor lockout valve (19). 19. Perform these steps to bleed the pump: a. Reduce pressure to 0 bar/psi. Part 229762-02 E 2015 Nordson Corporation...

  • Page 59: Extended Shutdown

    UP or DOWN elevator movement. 1. Place the unloader in the NEUTRAL position. 2. Shut off the air supply ball valve (16). 3. Trigger the gun(s) to relieve material pressure. Part 229762-02 E 2015 Nordson Corporation...

  • Page 60: Restart After Extended Shutdown

    Refer to the System Cleaning procedure in the Maintenance section of this manual. If the old and new materials are compatible, refer to the Container Changing procedure in this section. Part 229762-02 E 2015 Nordson Corporation...
  • Page 61 A, Section 5 Part Maintenance Part 229762-02 E 2015 Nordson Corporation...

  • Page 62: Introduction

    5. Drain accumulated water from the filter/separator (near the air supply inlet) as required. 6. If you have a material filter installed in your system (filter stand), check and change the filter element, as needed. Refer to the following procedures for changing the filter element. Part 229762-02 E 2015 Nordson Corporation...

  • Page 63: Filter Element Change Procedure

    7. Ask an assistant to support the filter bowl (5). Using a -in. hex wrench, remove the four cap screws (1). Remove the filter bowl and filter bowl O-ring (2). 8. Remove the filter element (3) and filter O-ring (7). Part 229762-02 E 2015 Nordson Corporation...
  • Page 64 13. Remove the restriction indicator cover (9). Turn the dial (8) clockwise to the CLEAN position. Install the cover. 14. If your unit is equipped with material supply ball valve(s), open the material supply ball valve(s). 15. Open the lockout valve on your unit. Part 229762-02 E 2015 Nordson Corporation...

  • Page 65: Weekly Maintenance

    Clean the top of each unloader cylinder. Periodic Maintenance Clean the system when you need to remove contaminants switch materials and the materials are incompatible with each other flush material build-up from the system Part 229762-02 E 2015 Nordson Corporation...

  • Page 66: System Cleaning

    WARNING: Point the hose(s) downward into an empty waste container to help contain the solvent spray in the area. 8. Secure the hose(s) to an empty waste container. 9. Gradually increase air pressure to the elevator. Part 229762-02 E 2015 Nordson Corporation...
  • Page 67 15. Raise the air motor regulator pressure to the pressure that you noted in step 2. 16. Increase the pressure of the elevator controls regulator to the pressure that you noted in step 3. 17. Install any dispensing guns or devices removed for this procedure. Part 229762-02 E 2015 Nordson Corporation...
  • Page 68 A 5-6 Maintenance Part 229762-02 E 2015 Nordson Corporation...
  • Page 69 A, Section 6 Part General Troubleshooting Part 229762-02 E 2015 Nordson Corporation...

  • Page 70: Introduction

    Introduction This section contains troubleshooting procedures for only the most common problems you may encounter. If you cannot solve the problem, contact your local Nordson representative for assistance. Problem Page Air motor not working...

  • Page 71: Troubleshooting Procedures

    Check air motor lubricator and replace, if lubricator blocked necessary. Clean lubricator. NOTE: If more detailed information is required for troubleshooting the air motor, contact your Nordson Corporation representative. Air control valve solenoid activated, Press the manual override button to not working allow air to enter the air motor.
  • Page 72 (contd) Problem Possible Cause Corrective Action Elevator not working Malfunctioning elevator controls Contact your Nordson Corporation regulator, or damaged push buttons representative for assistance. or valves Elevator air cylinder seals worn or If problem was not solved in pneumatic damaged, or piston binding in troubleshooting, rebuild air cylinders.
  • Page 73 Drum All other problems Check to see if the empty drum switch is not bent, broken, or out of alignment. If the light is still not lighting, contact your Nordson Corporation representative. Part 229762-02 E 2015 Nordson Corporation...
  • Page 74 A 6-4 General Troubleshooting Part 229762-02 E 2015 Nordson Corporation...
  • Page 75 ......B 1-40 Manual Shut-Off Components ......B 1-42 Part 229762-02 E 2015 Nordson Corporation...
  • Page 76 ........B 2-23 Part 229762-02 E 2015 Nordson Corporation...
  • Page 77 ..........B 4-3 Part 229762-02 E 2015 Nordson Corporation...
  • Page 78 Table of Contents Part 229762-02 E 2015 Nordson Corporation...
  • Page 79 Part B, Section 1 Unloader Part 229762-02 E 2015 Nordson Corporation...

  • Page 80: Section B 1

    Faulty hoses are not field-repairable. You must replace them if they are damaged. Dispensing guns are covered in a separate manual. NOTE: Unless otherwise noted, the illustrations in this section portray drum unloader follower plates and seals as a general reference. Part 229762-02 E 2015 Nordson Corporation...

  • Page 81: Replacing The Follower Plate Seal(S)

    4. Disconnect the coupling (11). Gradually increase the air pressure to the air motor. Close the ball valve after the plunger has been pushed to its lowest point and the shaft and coupling are clear of the plunger. Part 229762-02 E 2015 Nordson Corporation...
  • Page 82 8. Remove the hex head screws (5) and lock washers (6) that secure the hydraulic section to the follower plate (8) and the follower plate gasket (9). 9. Raise the hydraulic section until the shovel (7) is exposed. 10. Remove the hydraulic section from the unloader. Part 229762-02 E 2015 Nordson Corporation...
  • Page 83 7. Shovel 8. Follower plate 1. Support rods 9. Follower plate gasket (pail units); 2. Solvent chamber O-ring (drum units) 3. Self-locking nuts 10. Mounting flange 4. Bleed valve 11. Coupling 5. Hex head screws Part 229762-02 E 2015 Nordson Corporation...

  • Page 84: Packing Gland Replacement

    NOTE: Some O-ring lubricants may react with your dispensing material. Contact your Nordson Corporation representative for assistance in ordering the appropriate O-ring lubricant for your application. Relieve system pressure, shut off the pump, trigger all guns, and open the pump bleed valve (as described in this section).
  • Page 85 Replace the plunger, if necessary. 7. Before installing new packing glands, clean the mating surfaces of the mounting flange, packing gland, and plunger. Lubricate all seals and O-rings with compatible lubricant. Part 229762-02 E 2015 Nordson Corporation...
  • Page 86 B 1-6 Unloader Packing Gland Removal(contd) 2742023A Fig. B1-2 Replacing the packing gland 1. Air supply valve 3. Coupling 2. Bleed valve 4. Solvent chamber Part 229762-02 E 2015 Nordson Corporation...
  • Page 87 B 1-7 Unloader Packing Gland Removal(contd) 2752030A Fig. B1-3 Replacing the packing gland 1. Pin spanner wrench 4. Plunger 2. Gland retainer circumference 5. O-ring (with holes) 3. Gland retainer Part 229762-02 E 2015 Nordson Corporation...

  • Page 88: Packing Gland Installation

    Shut off the air supply to the air motor. e. Use the lockout valve to the air motor to bleed the air in the air motor. Remove the coupling (3) and install the solvent chamber (See Figure B 1-2, (2)). Part 229762-02 E 2015 Nordson Corporation...
  • Page 89 5. Fill the solvent chamber with an appropriate solvent to approximately 4 cm (1.5 in.) from the top. 6. Close the pump bleed valve. 2404007A Fig. B1-4 Raising the plunger 1. Shaft 4. Cap screws 2. Plunger 5. Screwdriver 3. Coupling Part 229762-02 E 2015 Nordson Corporation...

  • Page 90: Plunger And Piston Replacement

    6. Support the follower plate. Remove the hex head screws (13) and lock washers (12) that secure the pump body (2) to the follower plate. Remove the follower plate and gasket (pail units) or O-ring (drum units) from the bottom of the follower plate cover (4). Part 229762-02 E 2015 Nordson Corporation...
  • Page 91 You must replace the piston if you have removed it from the pump. 15. Remove the packing gland as described in the Packing Gland Replacement procedure earlier in this section. Part 229762-02 E 2015 Nordson Corporation...
  • Page 92 14. Lower check 3. Bottom pump cover 9. Shovel 15. Flats 4. Follower plate cover 10. Washer retainer 16. Piston 5. Back-up ring 11. Upper check rod 17. Spacer 6. O-ring 12. Lock washers Part 229762-02 E 2015 Nordson Corporation...
  • Page 93 10. See Figure B 1-1. Replace the follower plate gasket (9) or O-ring (9) located between the follower plate cover and the follower plate (8). Install the pump body on the follower plate carefully so that you do not damage the shovel (7). Part 229762-02 E 2015 Nordson Corporation...

  • Page 94: Installing The Hydraulic Section

    (certain high viscosity materials only) or solvent chamber fluid. Close the bleed valve (4). NOTE: Contact your Nordson Corporation representative for help in choosing the correct solvent chamber fluid for your application. 8. Before starting the system, bleed the pump as described in the Operation section in Part A of this manual.

  • Page 95: Parts

    A dash (—) is used when the part number applies to all parts in the illustration. The number in the Part column is the Nordson Corporation part number. A series of dashes in this column (- - - - - -) means the part cannot be ordered separately.

  • Page 96: Follower Plate And Seal Assembly

    Quantity Note — - - - - - - Module, follower, cast drum 186126 S Follower plate, 55 gal, Rhino 982452 S Screw, socket, M10 x 50, bl 983405 S Washer, lock, M, split, M10, steel, zinc — - - - - - -...
  • Page 97 B 1-17 Unloader Follower Plate and Seal Assembly (contd) 55-Gallon Units 5-Gallon Units 2742012A Fig. B1-6 Follower plate and seal assembly Part 229762-02 E 2015 Nordson Corporation...

  • Page 98: Blow-Off Assembly Components

    S Decal, 15 psi NOTE A: Pipe caps replace relief valves on most units. Relief valves are portrayed in the illustration. If you need assistance in verifying what is installed on your unit, contact your Nordson Corporation representative. AR: As Required...
  • Page 99 B 1-19 Unloader Blow-Off Assembly Components (contd) Primary Secondary 2742013A Fig. B1-7 Blow-off assembly components Part 229762-02 E 2015 Nordson Corporation...
  • Page 100 B 1-20 Unloader Blow-Off Assembly Components (contd) 2742007A Fig. B1-8 Blow-off assembly components, primary unit only Part 229762-02 E 2015 Nordson Corporation...

  • Page 101: Secondary Unit (B-Unit)

    - - - - - - Module, rotary pneumatic, primary, electric 973103 S Nipple, steel, sched 40, , 1.37 973411 S Plug, pipe, socket, flush, , zinc 124792 S Hose, 0.75 ID, 200 psi Continued on next page Part 229762-02 E 2015 Nordson Corporation...
  • Page 102 S Spacer, manifold 900464 S Adhesive, threadlocking, removable 900481 S Adhesive, pipe/thread/hydraulic sealant NOTE A: These parts are located beneath the air supply manifold, item 12 in the illustration. AR: As Required NS: Not Shown Part 229762-02 E 2015 Nordson Corporation...
  • Page 103 B 1-23 Unloader Primary Unit (A-Unit)(contd) 24 16 2742014A Fig. B1-9 Pneumatic components, primary unit Part 229762-02 E 2015 Nordson Corporation...

  • Page 104: Secondary Unit (B-Unit)

    S Adhesive, pipe/thread/hydraulic sealant 186507 S Cover, hose, 8 wide x 9 ft LG NOTE A: This item is located on the top of the right air cylinder. AR: As Required NS: Not Shown Part 229762-02 E 2015 Nordson Corporation...
  • Page 105 B 1-25 Unloader Secondary Unit (B-Unit)(contd) 2742011A Fig. B1-10 Pneumatic components, secondary unit Part 229762-02 E 2015 Nordson Corporation...

  • Page 106: Pump Control Components

    S Tee, pipe, hydraulic, , steel, zinc 973262 S Bushing, pipe, hydraulic, , steel, zinc 973627 S Nipple, steel, sched 40, , 4.00 900464 S Adhesive, threadlocking, removable AR: As Required NS: Not Shown Part 229762-02 E 2015 Nordson Corporation...
  • Page 107 B 1-27 Unloader Primary Unit (A-Unit)(contd) 2742008A Fig. B1-11 Pump control components, primary unit Part 229762-02 E 2015 Nordson Corporation...
  • Page 108 B 1-28 Unloader Pump Control Components (contd) Primary Unit (A-Unit)(contd) 2742009A Fig. B1-12 Pump control components, primary unit Part 229762-02 E 2015 Nordson Corporation...

  • Page 109: Secondary Unit (B-Unit)

    S Bushing, pipe, hydraulic, , steel, zinc 973151 S Elbow, pipe, hydraulic, 90, , steel, zinc 973439 S Elbow, male, pipe, hydraulic, , steel, zinc 900464 S Adhesive, threadlocking, removable AR: As Required NS: Not Shown Part 229762-02 E 2015 Nordson Corporation...
  • Page 110 B 1-30 Unloader Pump Control Components (contd) Secondary Unit (B-Unit)(contd) 2742010A Fig. B1-13 Pump control components, secondary unit Part 229762-02 E 2015 Nordson Corporation...
  • Page 111 B 1-31 Unloader Secondary Unit (B-Unit)(contd) 2742015A Fig. B1-14 Pump control components, secondary unit Part 229762-02 E 2015 Nordson Corporation...

  • Page 112: Elevator Control Components

    S Valve, rotary, 3-position, port 939694 S Strap, cable, 0.06−4.00, natural 972556 S Muffler, low profile, 984120 S Nut, hex, mach, #10-32, steel, zinc 900481 S Adhesive, pipe/thread/hydraulic sealant AR: As Required NS: Not Shown Part 229762-02 E 2015 Nordson Corporation...
  • Page 113 B 1-33 Unloader Elevator Control Components (contd) Primary Unit (A-Unit)(contd) 2742016A Fig. B1-15 Elevator control components, primary unit Part 229762-02 E 2015 Nordson Corporation...

  • Page 114: Secondary Unit (B-Unit)

    S Connector, male, tube x 124797 S Valve, rotary, 3-position, port 984120 S Nut, hex, mach, #10-32, steel, zinc 272556 S Muffler, low profile, 900481 S Adhesive, pipe/thread/hydraulic sealant AR: As Required NS: Not Shown Part 229762-02 E 2015 Nordson Corporation...
  • Page 115 B 1-35 Unloader Elevator Control Components (contd) Secondary Unit (B-Unit)(contd) 2742017A Fig. B1-16 Elevator control components, secondary unit Part 229762-02 E 2015 Nordson Corporation...

  • Page 116: Limit Brackets

    S Clamps, 1 233572 S Bracket, trip, limit switch 981478 S U-bolt, 6 inch pipe, with nuts 983440 S Washer, lock, E, split, , steel, nickel 900439 S Adhesive, threadlocking AR: As Required NS: Not Shown Part 229762-02 E 2015 Nordson Corporation...
  • Page 117 B 1-37 Unloader Limit Brackets (contd) Primary Unit (A-Unit)(contd) 2742018A Fig. B1-17 Limit brackets, primary unit Part 229762-02 E 2015 Nordson Corporation...

  • Page 118: Secondary Unit (B-Unit)

    Note — - - - - - - Module, bracket, limit, B, electric changeover 282785 S Clamps, 1 233572 S Bracket, trip, limit switch 900439 S Adhesive, threadlocking AR: As Required NS: Not Shown Part 229762-02 E 2015 Nordson Corporation...
  • Page 119 B 1-39 Unloader Limit Brackets (contd) Secondary Unit (B-Unit)(contd) 2742019A Fig. B1-18 Limit brackets, secondary unit Part 229762-02 E 2015 Nordson Corporation...

  • Page 120: Manual Shut-Off Components

    - - - - - - Module, pneumatic manual shut off 282776 S Valve, ball, vented, 973226 S Elbow, pipe, hydraulic, 90, , steel, zinc 900481 S Adhesive, pipe/thread/hydraulic sealant AR: As Required NS: Not Shown Part 229762-02 E 2015 Nordson Corporation...
  • Page 121 B 1-41 Unloader Manual Shut-Off Components (contd) 2742020A Fig. B1-19 Manual shut-off components Part 229762-02 E 2015 Nordson Corporation...
  • Page 122 -16 x 0.75, large 983061 S Washer, 983160 S Washer, lock, 900464 S Adhesive, threadlocking, removable NOTE A: Coat this part with removable threadlocking adhesive, part 900 464, when assembling. AR: As Required NS: Not Shown Part 229762-02 E 2015 Nordson Corporation...
  • Page 123 B 1-43 Unloader Support Assemblies (contd) Primary Unit (A-Unit)(contd) 2742021A Fig. B1-20 Support assembly, primary unit Part 229762-02 E 2015 Nordson Corporation...
  • Page 124 S Screw, hex head, -16 x 0.75, large 983061 S Washer, 900464 S Adhesive, threadlocking, removable NOTE A: Coat this part with removable threadlocking adhesive, part 900 464, when assembling. AR: As Required NS: Not Shown Part 229762-02 E 2015 Nordson Corporation...
  • Page 125 B 1-45 Unloader Support Assemblies (contd) Secondary Unit (B-Unit)(contd) 2742022A Fig. B1-21 Support assembly, secondary unit Part 229762-02 E 2015 Nordson Corporation...
  • Page 126 Quantity Note — 186663 Module, accessory, kit, K-solvent 900216 S Oil, vitalizer, 1 gallon 900256 S Fluid, type K, pump chamber, 1 gallon 900302 S Grease, high temperature AR: As Required NS: Not Shown Part 229762-02 E 2015 Nordson Corporation...
  • Page 127 NOTE A: Air motor and air valve parts list are located in the Air Valve and Air Motor section of this manual. B: Contact your Nordson Service representative for the proper solvent chamber fluid for your application. C: These items shipped in the accessory group for the unloader.
  • Page 128 B 1-48 Unloader Pump Assembly (contd) 2742024A Fig. B1-22 Pump assembly A. Air motor B. Hydraulic section Part 229762-02 E 2015 Nordson Corporation...
  • Page 129 D: Coat this part with pipe/thread sealant, part 900 481, when assembling. E: The packing gland is not field repairable. Replace the gland as an assembly. F: Included in optional piston replacement kit, part 126 831. AR: As Required NS: Not Shown Part 229762-02 E 2015 Nordson Corporation...
  • Page 130 B 1-50 Unloader 48:1 Pump Parts List (contd) 2742025B Fig. B1-23 48:1 pump Part 229762-02 E 2015 Nordson Corporation...
  • Page 131 B 1-51 Unloader 48:1 Pump Recommended Spare Parts See Figure B 1-23. Nordson Corporation recommends that you maintain one (1) of each recommended spare part in stock. Item Part Description Quantity Note 126853 S Piston 239818 S Gland, packing 48:1...
  • Page 132 E: The packing gland is not field repairable. Replace the gland as an assembly. G: This part is not available for the adapted configuration. H: If this part is for the adapted configuration, part 295971 must be ordered for a correct fitting. Continued on next page Part 229762-02 E 2015 Nordson Corporation...
  • Page 133 S Lubricant, PTFE grease, 0.75-oz tube 900464 S Adhesive, threadlocking, removable 900481 S Adhesive, pipe/thread, sealant NOTE F: This part available only for the adapted configuration (service shovel/adapter). AR: As Required NS: Not Shown Part 229762-02 E 2015 Nordson Corporation...
  • Page 134 B 1-54 Unloader 65:1 Pump Parts List (contd) 2742026B Fig. B1-24 65:1 pumps Part 229762-02 E 2015 Nordson Corporation...
  • Page 135 B 1-55 Unloader 65:1 Pump Recommended Spare Parts See FigureB 1-24. Nordson Corporation recommends that you maintain one (1) of each recommended spare part in stock. Item Part Description Quantity Note 126876 S Piston 239819 S Gland, packing 65:1 954055...
  • Page 136 B 1-56 Unloader Part 229762-02 E 2015 Nordson Corporation...
  • Page 137 Part B, Section 2 Air Valve and Air Motor Part 229762-02 E 2015 Nordson Corporation...

  • Page 138: Repair

    Shut-off air pressure to the air motor regulator. WARNING: Wear protective clothing, safety glasses, and gloves when working with this equipment. Air Valve The following procedures provide information on air valve repair. See Figures B 2-1 through B 2-5 as specified. Part 229762-02 E 2015 Nordson Corporation...

  • Page 139: Air Valve Removal And Disassembly

    1. Pan head screws 5. Socket head screws 9. O-rings 2. Lock washers 6. Air valve 10. Socket head screws 3. Cover 7. Cylinder head (upper) 11. Cover 4. Muffler block 8. Cylinder head (lower) Part 229762-02 E 2015 Nordson Corporation...
  • Page 140 9. Disengage the ball stem (14), spring (15), and fork (16) from the snapper (17). Remove the socket head screw (18), snapper bearing (19), nut (20), lockwasher (21), washer (22), and snapper from the valve body (4). Part 229762-02 E 2015 Nordson Corporation...
  • Page 141 19. Snapper bearing 4. Valve body 12. Snapper bracket 20. Nut 5. Poppet seal washers 13. Gasket 21. Lockwasher 6. Socket head screws 14. Ball stem 22. Washer 7. Poppet 15. Spring 8. Poppet 16. Fork Part 229762-02 E 2015 Nordson Corporation...
  • Page 142 Fig. B 2-3 Removing the crankshaft and poppet spool 1. Socket head screw 5. Valve body 9. Poppet spool 2. Seal washer 6. Crankshaft 10. O-ring 3. Bushing 7. O-ring 11. O-ring 4. O-ring 8. Arm Part 229762-02 E 2015 Nordson Corporation...

  • Page 143: Air Valve Assembly

    6. Assemble the new seal washer (15), O-ring (13), bushing (14), and socket head screw (16). Hold the contact arm of the crankshaft (12) and install this assembly on the opposite side of the valve body (8). Tighten the socket head screw. Part 229762-02 E 2015 Nordson Corporation...
  • Page 144 Install the poppet in the valve body (8) and tighten the socket head screw. 9. Install new poppet seal washers (3) in the poppet caps (2). Use the eight socket head screws (1) to attach the two poppet caps to the valve body (8). Part 229762-02 E 2015 Nordson Corporation...
  • Page 145 23. Arm 6. O-ring 15. Seal washer 24. Poppet spool 7. O-ring 16. Socket head screw 25. Washer 8. Valve body 17. Ball stem 26. Lock washer 9. Socket head screw 18. Spring 27. Nut Part 229762-02 E 2015 Nordson Corporation...
  • Page 146 Installing the muffler block and cover 1. Muffler block 5. Cylinder heads 8. Pan head screws 2. Air valve 6. Socket head screws 9. Lock washers 3. Socket head screws 7. Cover 10. Cover 4. O-rings Part 229762-02 E 2015 Nordson Corporation...

  • Page 147: Air Motor

    2. Relieve all hydraulic pressure from the hoses. Bleed the pump as shown in Figure B2-6. Remove the follower plate from the container, remove the container unloader, and lower the follower plate to the frame. Part 229762-02 E 2015 Nordson Corporation...

  • Page 148: Air Motor Disassembly

    (19) and O-ring (20) from the shaft. 8. Remove the U-cup seal (21) from the lower cylinder head (13). 9. Inspect all air motor components and replace any that are damaged or worn. Replace all O-rings and seals. Part 229762-02 E 2015 Nordson Corporation...
  • Page 149 18. Nut 4. O-ring 11. Lock washers 5. Hex nuts 12. Back-up plate 19. Piston 6. Lock washers 13. Cylinder head (lower) 20. O-ring 7. Hex head screws 14. Air cylinder 21. U-cup seal Part 229762-02 E 2015 Nordson Corporation...

  • Page 150: Air Motor Assembly

    10. Tighten the long hex head screws (7), hex nuts (5) and lock washers (6) evenly. Check that the push rods move freely. 11. Install the air valve as described in this section. Part 229762-02 E 2015 Nordson Corporation...

  • Page 151: Air Motor Installation

    5. Connect the supply air hose to the air valve fitting, using PTFE tape to seal the threads. 6. Turn on the air supply and start the pump. Check the pump for proper operation. Part 229762-02 E 2015 Nordson Corporation...
  • Page 152 11. Collars 4. Hex head screws 12. Lower push rod 5. Lock washers 13. Hex head screws 6. Lower cylinder head 14. Lock washers 7. Air motor shaft 15. Hex nuts 8. Hydraulic pump plunger Part 229762-02 E 2015 Nordson Corporation...
  • Page 153 B 2-15 Air Valve and Air Motor Part 229762-02 E 2015 Nordson Corporation...

  • Page 154: Parts

    S Nut, hex, lock, thin, −18, UNC 2B 900 278 S Lubricant, moly disulfide, 1 gallon NOTE A: These parts are included in the air valve seal kit (part 106 448). NS: Not Shown Part 229762-02 E 2015 Nordson Corporation...

  • Page 155: Air Valve For 7- And 10-Inch Air Motors

    B 2-18 Air Valve and Air Motor Air Valve for 7- and 10-inch Air Motors Fig. B2-9 Air valve for 7- and 10-inch air motors Part 229762-02 E 2015 Nordson Corporation...

  • Page 156: Air Valve Seal Kit

    B 2-19 Air Valve and Air Motor Air Valve Seal Kit See Figure B2-9. Nordson Corporation recommends that you purchase one kit as a spare part. Item Part Description Quantity Note — 106 448 Kit, air valve seal — 248 839...

  • Page 157: 7- And 10-Inch Air Motor Parts Lists

    984 707 S Nut, hex, M8, steel, zinc 982 292 S Screw, socket head, M6 x 55, bl 249 078 S Block, muffler NOTE A: Nordson Corporation recommends purchasing this item as a spare part. Part 229762-02 E 2015 Nordson Corporation...
  • Page 158 S Lubricant, O-ring, Parker, 4 oz. 900 439 S Adhesive, threadlocking NOTE B: See Figure B2-9 for the breakdown of this subassembly. C: This part is included in the air valve seal kit (part 106 448). NS: Not Shown Part 229762-02 E 2015 Nordson Corporation...
  • Page 159 B 2-22 Air Valve and Air Motor 7-inch Air Motor(contd) 2403002A Fig. B2-10 7-inch air motor (10-inch air motor reference) Part 229762-02 E 2015 Nordson Corporation...

  • Page 160: 10-Inch Air Motor

    S Washer, lock, split, M8 984 707 S Nut, hex, M8 982 292 S Screw, socket head, M6 x 55 249 078 S Block, muffler NOTE A: Nordson Corporation recommends purchasing this item as a spare part. Part 229762-02 E 2015 Nordson Corporation...
  • Page 161 S Lubricant, O-ring, Parker, 4oz. 900 439 S Adhesive, threadlocking NOTE B: See Figure B2-9 for a breakdown of this subassembly. C: This part is included in the air valve seal kit (part 106 448). NS: Not Shown Part 229762-02 E 2015 Nordson Corporation...
  • Page 162 B 2-25 Air Valve and Air Motor Part 229762-02 E 2015 Nordson Corporation...
  • Page 163 Part B, Section 3 Frame Part 229762-02 E 2015 Nordson Corporation...

  • Page 164: Section B 3

    Refer to the Unloader section in Part B of this manual for additional unloader component repairs. Rebuilding Air Cylinders NOTE: Nordson Corporation recommends that the technician rebuild both air cylinders at the same time. Air Cylinder Disassembly See Figure B 3-1.
  • Page 165 (22) bottom piston spacer (21) piston guide disk (20) piston backup plates (17) gaskets (18) piston seal (19) other piston stop (7). 7. Slide the cylinder head (11) off each shaft (6). Part 229762-02 E 2015 Nordson Corporation...
  • Page 166 (19) gasket (18) piston backup plate (17) piston guide disk (20) bottom piston spacer (21) shaft screw (22) 5. Tighten each screw securely with an impact wrench to 85 Nm (250 ft-lb). Part 229762-02 E 2015 Nordson Corporation...
  • Page 167 11. Turn the pneumatic controls regulator and the air motor regulator to the settings you noted in step 3 of the Air Cylinder Disassembly procedure. 12. Remove the wood blocks from beneath the follower plate. Part 229762-02 E 2015 Nordson Corporation...
  • Page 168 126 753 S Seal, piston, double acting 230 563 S Disk, guide, piston, 55-ex 230 562 S Spacer, bottom, piston, 55-ex 982 731 S Screw, socket, -14 x 3.50, bl Continued on next page Part 229762-02 E 2015 Nordson Corporation...
  • Page 169 - - - - - - S Jelly, petroleum 900 223 S Lubricant, O-ring, Parker 4 oz 900 302 Grease, high temperature,O-ring, (14.5-oz cartridge) 900 216 Oil, vitalizer, 1 gallon AR: As Required NS: Not Shown Part 229762-02 E 2015 Nordson Corporation...
  • Page 170 B 3-7 Frame Drum Frame Components (contd) 2752021A Fig. B3-1 Drum frame components Part 229762-02 E 2015 Nordson Corporation...
  • Page 171 Part B, Section 4 Options Part 229762-02 E 2015 Nordson Corporation...

  • Page 172: Section B 4

    If you wish to add an option that was not originally part of your unloader, contact your Nordson representative for assistance. The other parts lists in Part B contain ordering information for the main unloader components, air valve and air motor, and frame assemblies.
  • Page 173 124 935 Valve, check 1 (male input, female output) 973 092 Nipple, hex, 1 x 2, steel, zinc 973 184 Coupling, pipe, hydraulic, 1 , steel, zinc 900 481 Adhesive, pipe/thread/hydraulic sealant AR: As Required Part 229762-02 E 2015 Nordson Corporation...
  • Page 174 Options Filter Kits Certain Rhino unloaders are installed with a material filter mounted on a separate stand. This filter contains an element that must be changed periodically, as needed. Select the proper gauge mesh from the parts list below when ordering filter replacement kits.
  • Page 175 Medium K, S Aliphatic Petroleum Naphthas High T, Q K, S Mild K, S Chlorinated Solvents Medium High K, S Note 1: Type U packings may swell slightly when exposed to aromatic hydrocarbon solvents. Part 108044G E 2003 Nordson Corporation...
  • Page 176 Solvent Chamber Fluid Parts List Part Description 248831 FLUID, type-S, pump chamber, one quart 900255 FLUID, type-K, pump chamber, one quart 140029 FLUID, type-T, pump chamber, one quart 244854 FLUID, type-Q concentrate (2.6 fluid ounce, makes one gallon) Part 108044G E 2003 Nordson Corporation...
  • Page 177 4. Add the remaining distilled water to make one gallon, and mix for an additional 15 minutes. NOTE: The mixture may separate after prolonged shelf time. If it does, mix again before using. Part 108044G E 2003 Nordson Corporation...
  • Page 178 Pump Packing and Solvent Chamber Fluid Guide Issued 10/03 Original copyright date 1990. Nordson and the Nordson logo are registered trademarks of Nordson Corporation. Part 108044G E 2003 Nordson Corporation...
  • Page 179 1. Fill the lubricator bowl with Nordson Vitalizer oil. NOTE: Use only Nordson Vitalizer oil or an oil recommended by your Nordson representative. Disregard any oil recommendations in the OEM instruction sheet shipped with the air lubricator.
  • Page 180 Issued 1/04 Original copyright date 1991. Nordson and the Nordson logo are registered trademarks of Nordson Corporation. E 2004 Nordson Corporation Part 108152E...

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