Spellman SPX, SPX-200, SPX-160, SPX-300 Series Manual

X-RAYS WHEN ENERGIZED!
FORMAL HARDWARE TRAINING F ROM
SPELLMAN HIGH VOLTAGE ELECTRONICS.
IS HIGHLY RECOMMENDED.
Copyright 2000, Spellman High Voltage Electronics Corporation. All Rights Reserved.
This information contained in this publication is derived in part from proprietary and patent data. This information has
been prepared for the express purpose of assisting operating and maintenance personnel in the efficient use of the
model described herein, and publication of this information does not convey any right to reproduce it or to use it for
any purpose other than in connection with installation, operation, and maintenance of the equipment described.
118176-001 REV. A
SPX X-ray
Industrial Imaging System
Page 1 of 44 SPX Series System Manual
118173-001 Rev. D
TABLE OF CONTENTS
Chapter 1: ..........................................................3
Introduction and General Information ............3
Introduction ...............................................3
SYSTEM OVERVIEW ...............................3
The Control Unit .......................................4
The Tube Head..........................................4
The Cooling Unit (liquid cooled units
only) .............................................................4
Legend – SPX X-ray System .................5
Manual Outline..........................................6
Safety Summary .......................................7
Radiation Hazard ......................................8
Lethal Voltages .........................................8
Badges ........................................................8
Radiation Protection ...............................8
Radiation Monitoring ...............................8
Warm-Up Procedures ..............................8
Operation ...................................................8
Cooling Unit Operation ...........................8
Care in Handling .......................................8
Chapter 2: ..........................................................9
Preparation for Use and Shipment ...........9
UNPACKING INSTRUCTIONS ................9
Reshipment Guidelines ..........................9
Transporting the Unit ........................... 10
EQUIPMENT CHECKLISTS ................. 11
Checklist – Tube Head ......................... 11
Checklist - Standard Equipment ....... 11
Checklist - Optional Equipment ........ 12
WARNINGS LABELS & CONTROL
NUMBERS ............................................... 12
Specifications - General System ...... 13
Specifications - General Tube Head 14 Specifications - Optional Tube Head 14
Specifications - Control Unit .............. 15
Specifications - Cooling Unit ............. 16
Chapter 3: ........................................................ 17
Installing the SPX-X-ray System ........... 17
PRE-OPERATIONAL ................................. 17
CHECKS & INSPECTION ......................... 17
SYSTEM SET UP PROCEDURES ...... 18
System Interconnections - Liquid
Cooled ...................................................... 18
System Interconnections - Air Cooled
................................................................... 19
External Interlock Connections ......... 20
Chapter 4: ........................................................ 23
SPX Series Controls and Indicators .... 23
SPX Series Control Connections ...... 24
Chapter 5: ........................................................ 29
SPX Series Pre-operation ....................... 29
Pre-Operational Safety Precautions 29
X-Ray Tube Warm Up ........................... 29
Chapter 6: ........................................................ 32
SPX Series System Operation ............... 32
FAULT MESSAGES ............................... 33
GUI Display .............................................. 34
Fault Descriptions ................................. 35
Chapter 7: ........................................................ 36
SPX Series Routine Care and
Maintenance ............................................... 36
Introduction ............................................ 36
Inspection Checklist ............................. 36
Care and Maintenance ......................... 37
Control Unit Maintenance ................... 37
SPX X-ray
Industrial Imaging System
Page 2 of 44 SPX Series System Manual
118173-001 Rev. D
Tube Head Maintenance ..................... 37
Re-Pressurizing the Tube Head ........ 38
Legend – Tube Head Pressurization Set Up
...................................................... 39
Temperature Compensation .............. 39
Re-Filling the Tube Head .................... 40
COOLING UNIT UPKEEP ..................... 43
Mixing & Adding Coolant Solution ... 43
Cleaning - Cooling Unit Air Filter ...... 43
Cleaning - Coolant Filter ..................... 44
SPX X-ray
Industrial Imaging System
Page 3 of 44 SPX Series System Manual
118173-001 Rev. D

Chapter 1:

Introduction and General Information

Introduction

This manual describes the SPX series portable Industrial X-ray Unit and explains the procedures To properly set up, inspect operate and maintain
Intended Use
The SPX series is designed to meet the needs of the commercial NDT user. The system is intended for, but not limited to, the inspection of materials for:
Defects  Inclusions  Cracks  Corrosion  Porosity

SYSTEM OVERVIEW

The SPX series can generate x-ray potential up to 160, 200 and 300 kilovolts (kV) and tube current up to 10 milliampers (mA). The maximum allowable dissipation is 800 watts for the SPX-160 and 900W for the SPX­200 and SPX-300. Maximum tube current is limited automatically by the Control unit to 10mA, or to a value that does not cause dissipation greater than rated power (watts) at a set kV level.
The system offers 100% duty cycle and consists of the following assemblies:
The Control Unit The Tube Head The Cooling Unit, liquid cooled units only) The Electric Cooling Fan (air cooled units only)
These assemblies are described in detail next.
The SPX X-ray System
Figure 1-1
SPX X-ray
Industrial Imaging System
Page 4 of 44 SPX Series System Manual
118173-001 Rev. D

The Control Unit

The radiographer uses the Control Unit to set the radiographic exposure parameters, and to activate/deactivate x-ray emissions from the Tube Head. One hundred feet of cable is supplied with the system, which enables the Control Unit and operator to maintain a safe distance from the X-ray Tube Head during use.
The digital-based, micro-processor-regulated Control Unit houses all the system pushbutton operating controls, and exposure factor Vacuum Fluorescent Display (for display of exposure factors, a Message Vacuum Fluorescent Screen (for display of operating mode and system messages), and the circuitry required to provide power to the Tube Head and Cooling Unit.
The Control Unit is enclosed in a metal chassis and a handle is provided as a means of transporting it.

The Tube Head

The Tube Head is a cylindrical aluminum shell assembly housing the x-ray tube, the high voltage power supply and the filament supply. It is insulated with sulfur hexafluoride gas that is pressurized to 50 psi @ 70˚F. Power to operate the x-ray tube is supplied through a shielded cable that connects the Tube Head to the Control Unit. The x-ray tube is end-grounded, with an exposed anode that contains a beryllium window approximately 2 inches from the anode end. Built-in carrying handles are at each end of the Tube Head.
There are two Tube Head models available:
Liquid-cooled  Air-cooled
The liquid cooled Tube Head uses a separate Cooling Unit to dissipate anode heat. These models have a length of twin hoses attaching the Tube Head to the Cooling Unit. Air-cooled models have an electric cooling fan mounted at the end of Tube head. The fan is powered by an inter-connecting cable from the Control Unit.

The Cooling Unit (liquid cooled units only)

The Cooling Unit dissipates heat generated at the anode of the x-ray tube. Liquid coolant from a self­contained reservoir is pumped through one side of a twin hose assembly into the Tube Head. Coolant flows through a manifold in the Tube Head into the anode and returned to the Cooling Unit through the second half of the twin assembly.
Once in the Cooling Unit, coolant passes through a flow switch that is electrically interlocked with the Control Unit, and then through a filter to screen out contaminants. The coolant exits the filter and flows through a forced air radiator where the conducted heat is dissipated and then back into the reservoir.
An electric motor-driven fan and pump assembly circulates coolant and creates airflow through the radiator. Power is supplied via an interconnecting cable from the Control Unit. When properly connected to the system, the Cooling Unit is automatically activated by a switch circuit within the Control Unit.
SPX X-ray
Industrial Imaging System
Page 5 of 44 SPX Series System Manual
118173-001 Rev. D

Legend – SPX X-ray System

Use the following legend as a reference for parts identification.
1. Pre-Warning Indicator
2. X-ray Indicator
3. Interlock Indicator
4. Ethernet Port
5. RS-232 Port
6. VFD Display
7. Rotary Dial
8. Buzzer
9. Key Control
10. E-Stop
11. X-ray On Button
12. Tube Head Coolant Hose Fittings
13. Tube Head Gas Pressure Gage
14. Tube Head Cable Connector
15. Tube Head Pressure Relief Valve
16. Tube Head Gas Fill Valve
17. Cooling Unit Coolant Hose Fittings
18. Cooling Unit Reservoir Cap
19. Cooling Power Connector
20. Nut Safety
Cooling Unit
Control Unit
Tube Head Assembly
Figure 1-2
Figure 1-3
Figure 1-4
SPX X-ray
Industrial Imaging System
Page 6 of 44 SPX Series System Manual
118173-001 Rev. D

Manual Outline

This manual provides qualified radiographers and technicians with a means to logically inspect, operate and maintain the SPX series portable x-ray unit. The following paragraphs describe the arrangement of this manual and the information contained in each section.
Chapter 1: Introduction and General Information
This section provides general information about the SPX series units. Included in this section is a safety summary.
Chapter 2: Preparation for Use and Shipment
In this chapter, the user is provided instructions for unpacking and reshipment, along with equipment checklists and the basic specifications for assembly. Also included in chapter 2 are the locations of warning labels and I.D. tags.
Chapter 3: Installing the SPX X-ray System
This chapter provides instructions making interconnections for both liquid cooled and air cooled units. It also includes a description of the various interlock connections.
Chapter 4: SPX X-ray Controls and Indicators
Chapter 4 details the controls and indicators on the SPX Control Unit. Refer to this chapter during use for operational details.
Chapter 5: SPX X-ray System Operation
The warm up and operating instructions for the SPX X­ray Unit is detailed in chapter 5. Included are descriptions of error messages.
Chapter 6: Routine Upkeep and Care
This chapter covers preventative maintenance and care schedules for each assembly of the system. Included are procedures for pressurizing and refilling the Tube Head, cleaning the apparatus and various general care practices.
SPX X-ray
Industrial Imaging System
Page 7 of 44 SPX Series System Manual
118173-001 Rev. D

Safety Summary

When properly installed, maintained and operated, x-ray equipment can be used effectively and safely. If any component of the unit is incorrectly installed, operated by unqualified personnel, or the maintenance schedule has been neglected, it is a potentially dangerous apparatus.
Before operating or performing any maintenance on the SPX series, the user MUST have a thorough understanding of x-ray machinery, generation, high voltage potential and x-ray control. The user MUST understand all hazards associated with x-ray generation.
Read this “Safety Summary” completely and thoroughly to understand the contents. Read all of the safety warnings, cautions and notes throughout the manual prior to commencing any operating or maintenance procedures.
All operators and technicians MUST adhere to the following safety practices.
Read and understand the x-ray protection
warning published in the beginning of this manual.
Read this manual in its entirety before
operation or maintenance is performed.
Understand all the procedures before
operating the unit.
Read thoroughly and understand completely
all NOTE, CAUTION and WARNING statements before beginning operation or maintenance procedures.
Use the following summary as a checklist to assure comprehension of the safety indicators.
NOTE:
An essential operating procedure, condition or statement, must be observed to ensure proper understanding and operating of the system.
! CAUTION !
An operating or maintenance procedure, practice, condition, or statement, which, if not strictly observed, could result in damage to,
or destruction of equipment.
! WARNING !
An operating or maintenance procedure, practice, condition, or statement, which, if not strictly observed, could result in injury to or death of personnel.
SPX X-ray
Industrial Imaging System
Page 8 of 44 SPX Series System Manual
118173-001 Rev. D

Radiation Hazard

This equipment generates X-radiation at levels that can be lethal. This unit must only be operated by personnel that are certified and experienced in industrial x-ray generation. All operators must also understand the characteristics of radiation and the associated dangers of exposure to primary, secondary, and residual sources of radiation.

Lethal Voltages

High power radiation sources depend upon the generation of extremely high, yet well-protected voltages. Under no circumstances should the operator access the interior of the Tube Head. Under no circumstances should the operator access the interior of the Control Unit or the Cooling Unit except for the procedures outlined in Section 5 of this manual.

Badges

All personnel who work around X-ray equipment must wear a functional exposure dosage indicator.

Radiation Protection

X-ray equipment must be operated within properly designated protective barriers. Otherwise, personnel must not approach closer than 100 feet from the Tube head, and in no cases cross the direct path of the primary beam.

Radiation Monitoring

After installation, re-installation, transporting, performing maintenance, and during all radiographic operations not within a radiation enclosure, a radiation survey should be performed.

Warm-Up Procedures

Explicit procedures are outlined for “running-up” high voltage with new equipment, equipment with a new tube, equipment that has been inactive for a period of time, and for daily use. These procedures must be strictly followed at all times.

Operation

Equipment must be operated at correct source voltage and frequency, and must never be left running unattended. The gas pressure in the Tube head must be checked to ensure it is within allowable limits before operating the unit. Never operate this apparatus if output voltage/current is unstable.

Cooling Unit Operation

Regularly check the coolant solution in the Cooling Unit to ensure:
the coolant level is within specification
the pump circulates the coolant properly
the fittings, hoses, and coolant reservoir does not leak
Always allow the Cooling Unit, or the fan on air­cooled units, to run approximately 5 minutes after completion of x-ray generation.
Caution:
Cooling unit shipped without coolant. Cooling unit must be filled to the appropriate level prior to operation.

Care in Handling

Extreme care must be taken when handling this x-ray apparatus. Exercise caution when packing, unpacking, shipping, and while performing maintenance. Remember, the X­ray tube is durable but breakable: be sure to store and ship it in the upright position.
SPX X-ray
Industrial Imaging System
Page 9 of 44 SPX Series System Manual
118173-001 Rev. D

Chapter 2:

Preparation for Use and Shipment

UNPACKING INSTRUCTIONS

The SPX X-ray Unit is shipped in a single wooden container. To gain access to the unit, perform the following:
Remove the top cover from the crate.
Carefully lift each component from the container.
Perform a thorough visual inspection on each component.
If damage to any component has occurred, immediately contact the carrier. Keep all damaged containers until the carrier completes an inspection by the carrier. If it is necessary to re-package and ship the unit, follow the instructions outlined under “Reshipment Guidelines”.

Reshipment Guidelines

In the event that the SPX X-ray Unit must be transported or shipped, use the original wooden container and packaging material whenever possible. If the original shipping material is not available, comply with the following re-packing guidelines.
1. Construct a wooden shipping carton for
the Tube head Assembly similar to the one in Figure 2-1. Build the carton so that the top can be completely removed to facilitate packing and unpacking.
2. Cushion the Tube head with 3" of shock absorbent, foam type, packing material (MINIMUM). This material MUST surround the assembly on all sides, including above and below the Tube head.
3. Affix supporting blocks to the bottom of the carton. Make sure the legs are positioned to accommodate a pallet jack as shown in Figure 2-1.
4. Pack the Control Unit in a container rated for 60 lbs. surround the Control Unit with a MINIMUM of “2" of shock absorbent packing material (sheet or loose type), including the top and bottom.
5. Pack the Cooling Unit in the
same manner as the Control Unit.
! WARNING!
The coolant solution is a flammable substance and must be drained from
the Cooling Unit’s reservoir before it
can be shipped.
SPX X-ray
Industrial Imaging System
Page 10 of 44 SPX Series System Manual
118173-001 Rev. D

Transporting the Unit

When transporting by commercial carrier (i.e., truck, rail, etc.), select the shipping method and carrier on the basis of safe shipment, especially when shipping the fragile Tube head Assembly. Distinctly mark the Tube head carton on all sides with labeling which provides the carrier the following information:
Contents contains fragile glass instrumentation.
Container is to be shipped in upright container only.
Customarily, the Tube Head is shipped via air, generally avoiding ground transportation if possible. When shipping via air, affix an additional label to the carton stating the following:
Figure 2-1
Tube Head Shipping Container
“Sulfur hexafluoride, non-flammable gas is present in limited quantities in one or more packages of this shipment. This is to certify that the above mentioned materials are properly classified, described, packaged, marked, and labeled, and are in proper condition for transportation according to the applicable regulations of the U.S. Department of Transportation.”
SPX X-ray
Industrial Imaging System
Page 11 of 44 SPX Series System Manual
118173-001 Rev. D

EQUIPMENT CHECKLISTS

The following checklists outline the standard and optional equipment of the SPX X-ray Unit. After unpacking the unit, and completing a thorough visual inspection, compare each item with this list to assure completeness.
Note that several Tube Head models are available. Verify that the Tube head shipped with your unit matches the model that was originally ordered.

Checklist – Tube Head

SPX-160
Assembly, Tube Head* 3-000-0768-1
Air Cooled Unit; 40° cone, Glass Insert Beryllium Window
Assembly, Tube Head 3-000-0736-1
Liquid Cooled; 40° cone, Glass Insert Beryllium Window
Assembly, Tube Head 3-000-0772-1
Liquid Cooled; 360° Panoramic, Glass Insert Beryllium Window
SPX-200
Assembly, Tube Head* 3-000-3071-1
Air Cooled Unit; 40° x 60° cone, Metal Ceramic Insert
Assembly, Tube Head 3-000-3072-1
Liquid Cooled; 40° x 60° cone, Metal Ceramic Insert
Assembly, Tube Head 3-000-3073-1
Liquid Cooled; 360° Panoramic
Assembly, Tube Head 3-000-3258-1
Air Cooled; 40° Cone Glass Insert Beryllium Window
Assembly, Tube Head 3-000-3224-1
Liquid Cooled; 40° Cone Glass Insert Beryllium Window
SPX-300
Assembly, Tube head* 3-000-3192-1
Air Cooled Unit; 40° x 60° cone,
1.5mm Focal Spot, 1mm Beryllium Window
Assembly, Tube head 3-000-3191-1
Liquid Cooled; 40° x 60° cone, 1.5mm Focal Spot, 1mm Beryllium Window
* All Air Cooled Units are equipped with Fan Power Cable (p/n: 1-040A-0355). The liquid Cooling Unit is not equipped with this cable.

Checklist - Standard Equipment

Control Unit, Digital (1) 408574-001 (SPX160)
408574-002 (SPX200) 408574-003 (SPX300)
Cooling Unit Assembly (1) 3-000A-0737
(Liquid Cooled Units Only)
Power Cable Assembly (1) 1-040-0341
(3 Pin Connector, 25ft.) (SPX160,200,300)
Control Cable Assembly (1) (14 Pin Connector, 100ft.) 1-040-0824 (SPX200,300) (10 Pin Connector, 100ft.) 1-040-0342 (SPX160)
Cooler Power Cable (1)
(Liquid Cooled Units Only) (8 Pin Connector, 50ft.) 1-040-0823 (8 Pin Connector, 100ft.) 1-040-0342 (SPX160)
Power Cable, Fan (1) 1-040-0355
(Air Cooled Units Only, 100ft.) Interlock Jumper (1)
(Dummy Plug) 305531-001
SPX X-ray
Industrial Imaging System
Page 12 of 44 SPX Series System Manual
118173-001 Rev. D

Checklist - Optional Equipment

WARNINGS LABELS & CONTROL NUMBERS

Each assembly of the SPX X-ray System is equipped with an I.D. tag (Control Tag) providing the serial number, description, and part number. This data is used for identification, if warranty or service information is needed, and will be requested when contacting Spellman regarding the apparatus.
Attached to the Control Unit and Tube head are warning labels. Fig 2-3 illustrates the location of the I.D. tags and warning labels for each assembly of the SPX-systems.
Figure 2-3
Figure 2-2
Tube Head Stand
Laser Pointer
Figure 2-4
SPX X-ray
Industrial Imaging System
Page 13 of 44 SPX Series System Manual
118173-001 Rev. D

Specifications - General System

The following outlines the general operating and environmental limits of the SPX- system.
Line Voltage: 100 to 130 VAC - 50/60 Hz,
20amps (max.); or 200 to 250VAC - 50/60 Hz, 10 amps (max.).
Line voltage selection is automatic. The system is operable from either line voltage range without any switch or jumper configuration.
Operating Potential:
SPX-160: 10kV to 160kV @ 0.5 to 5.0 mA, 800 Watts maximum
SPX-200: 10kV to 200kV @ 0.5 to 10.0 mA, 900 Watts maximum
SPX-300: 10kV to 300kV @ 0.5 to 10.0 mA, 900 Watts maximum
Operating Temperature Range: -30°F to
120°F (Ambient), or -34°C to 49°C (Ambient)
Humidity: 0 to 100% relative humidity  Stabilization: kV and mA remain within 1% of
set levels. Line voltage varied from 100­130/200-250 VAC.
Storage Temperature Range _ -65°F to 160°F
(-54°C to 71°C)
Figure 2-5
SPX X-ray
Industrial Imaging System
Page 14 of 44 SPX Series System Manual
118173-001 Rev. D

Specifications - General Tube Head

See Datasheet regarding the specifications of the Tube Head Assembly.
Tube Pressure Sense : Monitors pressure of the
SF6 gas within the Tube Head. Shuts unit down if pressure falls below 25 psi.
Anode Thermal Sense: Monitors temperature of
the X-ray Tube Anode. Shuts down unit if Anode temperature rises above 220°F.
Pressure Relief Valve: Automatically releases SF6
gas from Tube Head if pressure rises between 75 ­80 psi.
Pressure Gauge: Displays SF6 gas pressure within
Tube Head. Used in conjunction with Temperature Compensation chart to visually inspect Tube Head pressure.

Specifications - Optional Tube Head

The information that follows furnishes the specifications for several available Tube Head assemblies. Figure 2-6 and 2-7 illustrate the direction of the X-ray beam for both the 40° x 60° cone and the 360° panoramic models.
Figure 2-6
Figure 2-7
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