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Graco Spindl-Gard SG-1 Operation & Service Instructions

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Spindl-Gard
SG-1/SG-2 System
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Operation & Service Instructions

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Summary of Contents for Graco Spindl-Gard SG-1

  • Page 1 Spindl-Gard SG-1/SG-2 System ® Operation & Service Instructions...

  • Page 3: Table Of Contents

    Spindl-Gard SG-1 and SG-2 Systems L42110 TABLE OF CONTENTS Section/Para Page Item Page 1 Introduction ..............1-1 2-3 SG-1 Typical Machining Head Modification ....... 2-4 1.1 Purpose of Manual ............1-1 2-4 Reversing Seals ..............2-4 1.2 Spindl-Gard Overview ............1-1 2-5 Pump and Header Installation ...........
  • Page 4 Spindl-Gard SG-1 and SG-2 Systems L42110 OPERATION AND SERVICE INSTRUCTIONS SECTION 1 INTRODUCTION 1.1.PURPOSE OF MANUAL ............1-1 1.4.SG-2 COMPONENTS AND OPERATION OVERVIEW ....1-4 1.2. SPINDL-GARD OVERVIEW ..........1-1 1.4.1 General ..............1-4 1.3.SG-1 COMPONENTS AND OPERATION OVERVIEW ....1-1 1.4.2 SG-2 Components ..........
  • Page 5 Spindl-Gard SG-1 and SG-2 Systems L42110 Figure 1-1. SG-1 System...
  • Page 6 Spindl-Gard SG-1 and SG-2 Systems L42110 1.3.2.2 Controller. Several means of control are available for the 1.3.2.8 Spindl-Gard Spray Nozzle. The basic nozzle can be SG-1. Operation can be controlled by signals from user’s installed in heads with walls up to 1-3/4 inches (44.4 machine control or by one of several controllers avail able mm) thick.

  • Page 7: Components And Operation Overview

    Spindl-Gard SG-1 and SG-2 Systems L42110 cavity. Soft-seat check valves (8) must be installed at the an oil outlet at the restrictor end. The tube and adapter end of any line coming out of the divider valve that will assemblies consist of a cut-to-length tube which is be delivering oil directly to terminating lube points.
  • Page 8 Spindl-Gard SG-1 and SG-2 Systems L42110 Figure 1-2. SG-2 System /(1-6 Blank)

  • Page 9: Installation Guidelines

    A locknut is used to secure the nozzle in by either plant personnel or a Graco distributor ® position once the nozzle is properly positioned in the representative.

  • Page 10: Relief Valve Installation

    It may be nec essary to drill passageways to reach these excessive air loss. Contact a Graco representative lubrication points. Figure 2-3 shows a typical machined for special proce dures if labyrinth or bronze seals passageway.
  • Page 11 Spindl-Gard SG-1 and SG-2 Systems L42110 HORIZONTAL HEAD APPLICATION VERTICAL HEAD APPLICATION Figure 2-2. Typical Spray Nozzle Installation...

  • Page 12: Divider Valve Installation

    Spindl-Gard SG-1 and SG-2 Systems L42110 as follows: as mas ter or primary divider valves. Divider valves which receive lubricant from a primary divider valve are Use spindle prints to determine lowest point where referred to as sec ondary divider valves. Installation is oil may collect.

  • Page 13: Sg-2 System Installation

    Spindl-Gard SG-1 and SG-2 Systems L42110 SG-2 SYSTEM INSTALLATION 2.2.8 Electrical Requirements: Electrical components such as cycle switches, air flow switches, zero-leak valves, etc., have 1/2 NPT ports for installation of the necessary 2.3.1 General: Paragraphs 2.3.2 through 2.3.8 discuss conduit fittings according to plant procedures.
  • Page 14 Spindl-Gard SG-1 and SG-2 Systems L42110 Mark the location where the nozzle is to be shipped in 10-inch lengths and must be cut to proper installed, as determined during system design. length for each instal lation. Figure 2-7 shows a typical installation of a nozzle tube and should be referred to Drill a 0.187 inch (4.75 mm) through the wall to the...

  • Page 15: Nozzle Tube Installation

    1/8-27 NPT plug installed. Remove the plug to install a gauge. If this port is used as an alternate • Use only Graco-supplied nut on outlet fitting. Do not air inlet, plug the hole marked AIR INLET. use compression fittings.

  • Page 16: Pump Package And Header Installation

    Spindl-Gard SG-1 and SG-2 Systems L42110 Mark the position of the mounting holes. Drill and tap the mounting holes for either 1/4-20 or 6 mm socket-head screws. NOTE: Depending on the type of fittings used on the OUT and GAUGE ports, it may be nec essary to install fittings and orient them in the proper direction before mounting the switch on the machining head.

  • Page 17: Air Flow Switch Installation

    Spindl-Gard SG-1 and SG-2 Systems L42110 clockwise to increase pressure. mixing tees and accessories. Steel or copper tubing with 3/8 inch (9.5 mm) OD is recommended from the pump Adjust switch A to detect a low pressure (high flow or header to the divider valves. Steel or copper tubing of or broken line) condition.

  • Page 18: Air Flow Switch And Mixing Tees

    Spindl-Gard SG-1 and SG-2 Systems L42110 Figure 2-10. Air Flow Switch and Mixing Tees 2-10...

  • Page 20: System Startup And Operation

    Spindl-Gard SG-1 and SG-2 Systems L42110 OPERATION AND SERVICE INSTRUCTIONS SECTION 3 SYSTEM START-UP AND OPERATION 3.1 GENERAL ................3-1 3.3.1 General ..............3-5 3.2 SYSTEM FILLING AND BLEEDING........3-1 3.3.2 Start-up Procedure, SG-1 ........3-5 3.2.1 General ..............3-1 3.3.3 Start-up Procedure, SG-2 ........

  • Page 21: Bleeding Secondary Divider Valves

    NOTE: If labyrinth or bronze seals are used on spindles with SG-1 systems, an additional air purge line may be required to maintain Remove indicator port plug or performance 2 psi internal head pressure. Contact a Graco representative for indicator from master divider valve outlet adjacent recommended pressures.
  • Page 22 Spindl-Gard SG-1 and SG-2 Systems L42110 Figure 3-1. Filling Secondary Divider Valve Supply Tubes Figure 3-2. Bleeding Secondary Divider Valve...

  • Page 23: Daily Start-Up

    Spindl-Gard SG-1 and SG-2 Systems L42110 3.2.5 Bleeding Header-Supplied Master Divider Valve • Remove lines at spray nozzle, mixing tee or bearing point (Points A, B or C, Figure 3-1), cycle pump 3.2.5.1 This procedure for bleeding a header-supplied mas ter and open zero-leak valves.

  • Page 24: Start-Up Procedure, Sg-2

    Spindl-Gard SG-1 and SG-2 Systems L42110 exists for daily operation. Depletion of oil results reduced and energize pump until required pressure is in air entering the system, which requires that the reached. bleeding process be repeated. 3.3.3 Start-up Procedure, SG-2 Turn on air to spray nozzle.

  • Page 25: Output Adjustment

    CAUTION: Before attempting to adjust output by changing air pressure at spray nozzle (SG-1) or mixing tee (SG-2), contact a Graco distributor representative or Graco. A substantial deviation from rec ommended air pressure requirements (20% or more) may result in incorrect sys tem operation which could cause spindle damage.

  • Page 27: Troubleshooting

    4.3.3 Mixing Tee: As shown in Figure 4-2, the mixing tee has NOTE: If a Graco-supplied controller is not used and the control of a built in keeper and ball which act as a check valve, the system is pro vided by the in-house controller make sure that opening only when the divider valve cycles.
  • Page 28 Spindl-Gard SG-1 and SG-2 Systems L42110 TABLE 4-1 SYSTEM TROUBLESHOOTING Problem Probable Cause Corrective Action Cycle times increase in length Leaking fitting or tubes Tighten all fittings and check tubes for cracks or leaks Supple pump is worn Repair supply pump...
  • Page 29 Spindl-Gard SG-1 and SG-2 Systems L42110 Figure 4-1. Spray Nozzle Figure 4-2. Mixing Tee /(4-4 Blank)

  • Page 30: Parts Ordering Information

    Spindl-Gard SG-1 and SG-2 Systems L42110 OPERATION AND SERVICE INSTRUCTIONS SECTION 5 PARTS ORDERING INFORMATION 5.1 GENERAL ................5-1 5.3 MIXING TEE ................ 5-4 5.2 SG-1 SPRAY NOZZLE ............5-2 5.4 NOZZLE ADAPTER .............. 5-5 5.2.1 General ..............5-2 5.5 EASY TO REPLACE NOZZLE ADAPTER......... 5-6 5.2.2 Spray Nozzle Disassembly Procedure ....

  • Page 31: Spray Nozzle

    Spindl-Gard SG-1 and SG-2 Systems L42110 SG-1 SPRAY NOZZLE NOTE: Ensure spring (7) is properly seated in nozzle head (12) and on piston (6) before tightening end plug (1). 5.2.1 General: The SG-1 spray nozzle can be disassembled Thread end plug (1) into nozzle head (12) and and individual parts can be ordered.

  • Page 32: Spray Nozzle

    Spindl-Gard SG-1 and SG-2 Systems L42110 5.24 Spray Nozzle Parts List TABLE 5-4 SPRAY NOZZLE (FIGURE 5-1) PARTS LIST Item No. Part No. Old Part No. Description Quantity 563128 484-095-030 Spray Nozzle Assembly 560481 484-090-170 • Plug, End 556547 422-010-180 •...

  • Page 33: Mixing Tee

    Spindl-Gard SG-1 and SG-2 Systems L42110 MIXING TEE TABLE 5-5 MIXING TEE (FIGURE 5-2) PARTS LIST Item No. Part No. Old Part No. Description Quantity 563129 484-095-050 Mixing Tee 557485 510-364-000 • Roll Pin, 3/32 diameter x 7/32 in. 560471 484-060-118 •...

  • Page 34: Nozzle Adapter

    Spindl-Gard SG-1 and SG-2 Systems L42110 NOZZLE ADAPTER TABLE 5-6 NOZZLE ADAPTER (FIGURE 5-3) PARTS LIST Item No. Part No. Old Part No. Description Quantity 484-090-075 Nozzle Adapter 484-090-077 • Body 435-702-273 • Flare Nut, Inverted, 3/16 in. 484-090-076 •...

  • Page 35: Easy To Replace Nozzle Adapter

    Spindl-Gard SG-1 and SG-2 Systems L42110 EASY TO REPLACE NOZZLE ADAPTER TABLE 5-7 EASY TO REPLACE NOZZLE ADAPTER (FIGURE 5-4) PARTS LIST Item No. Part No. Old Part No. Description Quantity 484-090-193 Nozzle Adapter 484-090-077 • Body 435-702-273 • Flare Nut, Inverted, 3/16 in.
  • Page 37 All written and visual data contained in this document are based on the latest product information available at the time of publication. Graco reserves the right to make changes at any time without notice. Contact us today! To receive product information or talk with a Graco representative, call 800-533-9655 or visit us online at www.graco.com.

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Spindl-gard sg-2

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