Table of Contents
Troubleshooting
Related Manuals for Cincinnati 400FM
Summary of Contents for Cincinnati 400FM
- Page 1 C I N C I N N A T I I N C O R P O R A T E D C I N C I N N A T I , O H I O 4 5 2 1 1 COPYRIGHT 1999 EM-446 (N-08/99) CINCINNATI INCORPORATED...
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Page 2: Table Of Contents
FM HYDRAULIC PRESS BRAKE CONTENTS INTRODUCTION SECTION 1 IDENTIFICATION SECTION 2 INSTALLATION UNLOADING LIFTING AND MOVING FOUNDATION ERECTION - ASSEMBLED MACHINES ERECTION - DESASSEMBLED MACHINES CLEANING LEVELING HYDRAULIC RESERVOIR LUBRICATION ELECTRICAL CONNECTION CNC PLATE GAGE (Optional) SECTION 3 SAFETY SAFETY RECOMMENDATIONS SAFE OPERATION OPERATING RULES INSTALLING / REMOVING TOOLING GUIDELINES... - Page 3 CABLE ASSEMBLY 9-14 DAILY START-UP OF THE PC 9-15 TROUBLESHOOTING 9-15 MAINTENANCE CHECKLIST 9-17 TROUBLESHOOTING 9-18 SECTION 10 SERVICE AND PARTS ORDERING REPAIR PARTS 10-1 RETURNING PARTS FOR CREDIT 10-1 SERVICE 10-1 TECHNICAL TRAINING 10-1 © COPYRIGHT 1999 CINCINNATI INCORPORATED...
- Page 4 The type of gaging, material supports or other special equipment will affect how the part is produced. Selecting the proper bend sequence is important to obtain quality parts and for operator safety. CINCINNATI offers both operator and maintenance training programs at our factory to address these factors.
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Page 5: Identification
SECTION 1 IDENTIFICATION FM HYDRAULIC PRESS BRAKE LEFT CYLINDER 5. RAM 11. FOOTSWITCH LEFT HOUSING 6. RIGHT CYLINDER 12. BED SHOE (2) CYLINDER MANIFOLD AND 7. RIGHT HOUSING 13. DIE CLAMPS VALVES (2) 8. CAPACITY PLATE 14. BED COUNTERBALANCE MANIFOLD 9. - Page 6 HOUSING BRACE 7. OPERATION MANUAL POCKET AIR-COOLED HEAT EXCHANGER 8. HEAVY DUTY BACKGAGE ARM ASSEMBLY (Optional) OIL SIGHT GAGE & THERMOMETER 9. RESERVOIR DRAIN VALVE (2) HYDRAULIC POWER UNIT 10. ELECTRICAL CONTROL BOX LEFT RAM CLAMP 11. REAR AWARENESS BARRIER & DANGER SIGN LINEAR TRANSDUCER (Cover removed) (Removed for clarity) FIGURE 1-2 –...
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Page 7: Installation
400FM x 16' and larger machines are typically shipped disassembled. Each of the five main mem- bers can be handled by a crane of sufficient capacity with chains or cables of adequate size (refer to American National Standards Institute B30.9). -
Page 8: Foundation
They should agree with the dimensions shown on the certified Foundation Plan drawing. ERECTION - ASSEMBLED MACHINES The 400FM through 14' (with standard housings) Press Brakes are shipped with the bed bolted on the rear of the machine. Open the shim packages shipped with the machine and remove the thickest shim from each package. -
Page 9: Erection - Desassembled Machines
Loosen all foundation bolt nuts and tighten bed bolts securely. Retighten the foundation bolt nuts securely. See Figure 2-3 below for bed bolt and The 400FM x 16' and larger press brakes are foundation nut seating torques. usually shipped disassembled. CINCINNATI... - Page 10 Retighten foundation bolt nuts securely. See chart (Figure 2- The 400FM machines can be raised or lowered by 3) for bed bolt and foundation nut seating torques. using leveling screws in the housing feet. Use at Check your work with feeler gages.
- Page 11 Start leveling by checking the setting of the machine lengthwise. Place level in the center of bed parallel to edges of bed. Level the machine length- wise by placing the required metal shim under the low housing feet, both front and back. Let the press brake down and recheck level.
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Page 12: Cleaning
IMPORTANT: These plastic laminate shipping The 400FM machines can be raised or lowered by strips must be removed before running the using leveling screws in the housing feet. Use at machine. -
Page 13: Hydraulic Reservoir
Remove pipe plug from auxiliary cover plate and capacity and that proper voltage is fed to the install the air breather. Remove shipping caps and machine. CINCINNATI INCORPORATED equipment install filler / breathers. requires that the incoming line supply at the... -
Page 14: Cnc Plate Gage (Optional)
Remove any protective wrap- Do not make any electrical connections. This ping and clean the parts. Backgage arm assemblies will be done by a CINCINNATI INCORPORATED are identified as “LEFT HAND” or “RIGHT HAND” by Service Representative. -
Page 15: Safety
(See ANSI B11.3 and the safeguarding to be used. See CINCINNATI Safe- CINCINNATI Safeguarding Bulletin PI-50686.) guarding Bulletin PI-50686 for ideas on types of safeguarding available. - Page 16 The CINCINNATI FM Press Brake you are operating will 7. Protect your eyes from flying pieces of metal by not produce a tonnage greater than the maximum always wearing your safety glasses.
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Page 17: Safety Signs
USE section of this manual. These instructions handled by a hoist. should be followed for safe installation and removal of tooling from your CINCINNATI Press Brake. If the punch or die has tapped holes for lifting attachments, be sure the proper size bolts are Also included in the SET-UP AND USE section of used. -
Page 18: Safety Guidelines
ALWAYS READ AND UNDERSTAND THE OPERATION, MAINTENANCE AND sign is usually attached to one end of CINCINNATI SAFETY MANUAL BEFORE dies and not on the press brake. These adhesive INSTALLING DIES, OPERATING OR backed signs have been furnished in safety update... -
Page 19: Safety Maintenance Check
GUARD AGAINST TIPPING (416875) Make certain all persons are clear of machine and material before operating The design of hydraulic press brakes is such that When you leave your press brake: much of the weight is concentrated toward the front of the machine. This sign cautions that the Place ram at bottom of stroke or place safety machine should be guarded against tipping until blocks in position under the ram... -
Page 20: Specifications
SECTION 4 SPECIFICATIONS SPECIFICATIONS CLEAR TOTAL SHIPPING WEIGHT BENDING CAPACITY BED TOP DISTANCE OVERALL (Mild Steel) ABOVE LENGTH AUTO CROWN MOTOR BETWEEN SERIES ADDITIONAL FLOOR WIDTH VEE DIE Ft. - Nominal H.P. HOUSINGS SURFACE WEIGHT IN. x FT. Lbs. OPENING (kw) (Kg) (mm x m) - Page 21 CLEAR TOTAL SHIPPING WEIGHT BENDING CAPACITY BED TOP DISTANCE OVERALL (Mild Steel) LENGTH ABOVE AUTO CROWN MOTOR BETWEEN SERIES ADDITIONAL FLOOR WIDTH VEE DIE Ft. - Nominal H.P. HOUSINGS SURFACE WEIGHT IN. x FT. Lbs. OPENING (kw) (Kg) (mm x m) Ft.-In.
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Page 22: Definition Of Terms
The machine capacity plate and the preceding flow and pressure to load demands. This precise chart show the maximum tonnage capacity. Also match provides maximum system efficiency. see the CINCINNATI Press Brake Capacities booklet PT-50691 included with the complete LINEAR TRANSDUCERS (POTENTIOMETERS): machine manual. -
Page 23: Capacities
MICROCROWNING: A crown is machined into the bed of each CINCINNATI Press Brake. It is designed so the bed and ram will be parallel at two-thirds of machine capacity with a load uni- formly distributed over the nominal length of the machine. -
Page 24: Stripping Capacity
MAXIMUM PUNCHING CAPACITY MAXIMUM SERIES TONS/LEVEL STRIPPING LOAD SERIES (kN/LEVEL) TONS (kN) MILD STEEL HI-TENSILE STEEL 400 FM 400 FM (2,358) (1,779) (240) 500 FM 500 FM (2,936) (2,224) (294) 600 FM 600 FM (356) (3,559) (2,669) 750 FM 750 FM (4,448) (3,336) (445) -
Page 25: Off-Center Load Capacity (L-R)
ple, a 400 FM x 10’ Press Brake is approximately ! DANGER ! 126” (3,200.4mm) from housing to housing (L). A ! DANGER ! point at .3 of this length is 37.8” (960.1mm) (.3 x EXCEEDING THE ECCENTRIC LOAD CAPAC- 126”/3,200.4mm). -
Page 26: Set-Up And Use
SECTION 5 SET-UP & USE PRESS BRAKE TOOLING These dies, being the most common and widely used, will be referred to in the following instructions. A hydraulic press brake is a very versatile bending machine. It is capable of exerting high forces TYPES OF DIES between its bed and ram. -
Page 27: Tool Installation
CINCINNATI INCORPORATED can provide many Turn OPERATOR CONTROL selector to “ON” other types of standard and special dies, some of position. which are shown in Figure 5-4. Use MODE SELECT to place machine in “SET- UP” mode. CAUTION Before proceeding, read guidelines in SAFETY Section for installing tooling. -
Page 28: Gaging - Optional Backgages
Note: Short, lightweight dies may be installed shown in Figure 5-6. The minimum area as a set and slid into position. (sq. in.) for each die to prevent sinking may be calculated by this formula: Die Area = MAXIMUM TONNAGE / 15 An example for a 400 ton machine, the minimum die area for a capacity load is 400 divided by 15, or 26.7 square inches. -
Page 29: Capacity
CAPACITY Two pairs of gage fingers are furnished with each backgage. The 1” (25mm) gage finger or the 1/4” The CNC Plate Gage has a 24” or 40” X-axis and an (6.4mm) gage finger is installed into the gage 8” or 12” R-axis. The X-axis is driven at 400 assembly as shown in Figure 5-8. -
Page 30: Adjust Gage Finger Position
! ! ! DANGER ! ! ! ! ! ! DANGER ! ! ! DO NOT INSTALL OR REMOVE GAGE FINGER OR GAGE ASSEMBLY BY REACHING THROUGH DIE AREA. REMOVE GAGE ASSEMBLY FROM GAGE BAR USING SPECIAL HAND TOOL FROM FRONT OR GO TO REAR OF MACHINE TO MAN- UALLY REMOVE GAGE ASSEMBLY. - Page 31 The gage finger assemblies should be positioned left-to-right to contact the part being formed at the desired gage points. Normally the two gage finger assemblies should be spread as wide as possible to provide the most accurate gaging. The gage finger assemblies are moved along the gage bar by using the gage positioning tool (Figure 5-13).
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Page 32: Program Gage Position(S)
Plate Backgage. Damage to adjustable fin- The 1/4” (6.4mm) gage finger can also be used as a ger holder could result. Use Plate Gage sheet support as shown in Figure 5-15, for light- Blocks for these applications. Never allow weight sheets. workpiece to contact aluminum gage bar. -
Page 33: Operating Techniques
OPERATING TECHNIQUES DO NOT use ANGLE or TONNAGE reversal when punching. POSITION reversal should be The following guidelines will help the operator avoid selected for punching. operating problems, producing bad parts, causing DO use as large a vee die opening as possible injury to himself or damage to the tooling or machine. - Page 34 On the FM Control Station, set the MODE Carefully run the ram down to the machine’s closed position. Press the MAIN DRIVE STOP SELECT to “SETUP” position and the OPERA- button. Turn the OPERATOR CONTROLS key TOR STATION to RIGHT. The FOOTSWITCH back to “OFF”...
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Page 35: Machine Controls
SECTION 6 MACHINE CONTROLS MACHINE CONTROL CONTROLS STATIONS The Palmbutton Operator Station (Figure 6-2) is located on the movable pedestal. The palmbutton The FM Hydraulic Press Brake uses a microcom- controls will actuate ram movement. The RAM UP puter controlled programmable system that con- button will move the ram up on either the down or trols machine motion. -
Page 36: Fm Control Station
FM CONTROL STATION optional footswitch connected FOOTSWITCH LEFT selector can be set up and CONTROLS: Two keyswitches are located under switched operation multiple the CONTROLS heading and are marked footswitches is explained in the various SINGLE SUPERVISOR and OPERATOR. When the STROKE modes of operation later in this section. - Page 37 When using either of these operator controls, the the ram move down; both must be fully up to ram will move when the control is depressed. It make the ram move up; all other combinations will stop, depending on the AUTO RETURN will cause the ram to stop.
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Page 38: Palmbutton Operator Station
DATA ENTRY Keys: FUNCTION Keys: The sixteen button keys grouped together above the The seven button keys arranged vertically right of CONTROLS heading are used for entering program the LCD display are: information. These keys are: DISPLAY FUNCTION Keys: The four selection keys Numeric Keys: These keys provide digital input for to the right of the display correspond to softkey the ram and backgage (optional) positions, ton-... -
Page 39: Footswitch
light is illuminated and the machine is ON, a OPERATOR STATION ON / OFF light bulb is burned out. Advise Maintenance. STATUS INDICATOR LIGHTS Do not operate the machine with non-func- tional operation-related indicator lights. FOOTSWITCH This is a guarded operator control which controls ram motion. - Page 40 MAIN DISCONNECT Switch: This switch controls the incoming electrical supply to the machine. After turning the main disconnect switch from “ON” to “OFF”, wait 10-15 seconds before switching back to “ON”. See Figure 6-4. IMPORTANT: This 10-15 second delay is required to allow machine functions to reset properly.
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Page 41: Operation
SECTION 7 OPERATION PROGRAMMING the particular screen always appears at the bottom in a reversed font. The Multi-Axis Control offers multi-step program- This screen is referred to as the MAIN MENU. Press ming (99 steps), angle mode reversal calculations, the button, to the right of the data entry keys, CNC backgage control, non-volatile memory for marked MAIN MENU to return to the MAIN MENU program storage and RS-232 Communications for... -
Page 42: Angle Mode
Vee openings and upper die radii should follow JOB DATA screen. To advance between fields, use the up and down arrow keys. To change a value, the guidelines recommended in CINCINNATI use either the numeric keypad, the TRN key or the INCORPORATED’s booklet Press Brake Capaci- softkeys, as appropriate. - Page 43 Note: Only one set of tool dimensions may be Valid Range: 0.001” to 39.360” (0.03mm - used for a program. When ANGLE MODE 999.99mm) is ON, the DESIRED ANGLE, ACTUAL Entry Format: XX.XXX English or XXX.XX ANGLE and REVERSAL values in the Metric PROGRAM DATA screen will be blanked Default Value: 0.000...
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Page 44: Program Data
MUTE POS: (Optional: This field only appears if a Presence Sensing Device is installed). This value is defined as the position in the down stroke at DIE CLAMP which the output of the light guard becomes muted for the remainder of the stroke. If the light guard beam is broken above the mute position, UPPER VEE DIE the ram will stop. - Page 45 BATCH COUNT: The Batch Count Field is used to set the number of times the program is run or PART COUNT 1234ABCD STEP Next the number of parts in the batch. To make 100 Step SEQ NAME SEQ NAME parts, set the batch count to 100. Each time the PROGRAM: 1234ABCD BATCH CNT:...
- Page 46 based on the updated angle information. The actual angle value will then return to the desired PART COUNT 1234ABCD STEP Next angle. Entering a new desired angle resets any Step SEQ NAME SEQ NAME corrections made for that step. On a control with PROGRAM: 1234ABCD BATCH CNT:...
- Page 47 STEP REPT (Step Repeat): This value repre- onds the gage will move in high speed. Releasing sents the number of times the ram will be cycled the key will stop the gage movement. “Jog In” for this step using the same reversal values each moves the gage towards the die.
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Page 48: Front Panel Settings
necessary to obtain the proper flange dimen- sion, enter the positive or negative value in this field. A negative value moves the back- gage toward the tooling. A positive value moves the backgage away from the tooling. The bend allowance can also be used as a “finger offset”... -
Page 49: Stroke Stops
STROKE STOPS Next Step: The “Next Step” softkey can now be used to advance through the existing steps to DOWN STOP: When this is selected, the ram will allow viewing or editing. stop at the SPEED CHANGE POSITION on the down stroke. -
Page 50: Storage/Communication
Cycle Start: When this softkey’s button is pressed the control will process the values PROG: 1234ABCD FREE: 12472 Load entered for the current step. If all operator con- Prog SEQ NAME SEQ NAME trols are set properly, the status line will 1234ABCD 1234567I Store... - Page 51 program should be overwritten. In this case the will be shown. The “Abort” softkey’s button may status line will display the following message be pressed anytime during the file transfer to and the softkeys will change to either YES or NO. stop sending the file.
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Page 52: Operation
SINGLE STROKE of the configuration screen. Additional configura- tion values can only be accessed by a CINCINNATI Upon pressing CYCLE START and activating all INCORPORATED Service Representative. (Contact active operator station(s) or footswitch(es), the... -
Page 53: Diagnostics
CINCINNATI INCORPORATED Service Department.) DIAGNOSTICS The user page of the multi-axis CONFIGURATION screen is shown: Additional softkeys are provided for accessing a DIAGNOSTICS screen. The DIAGNOSTIC screen contains functions for verifying correct operation of the control. RS232 TEST Change Units... - Page 54 The “Calib” softkey is used to calibrate the back- The “Cycle Start” softkey will allow the machine to gage. This is only required when servicing the be cycled. Exiting the DIAGNOSTICS screen will backgage. break out of Cycle Active. The “Zero XDCR” softkey is used to set the zero This concludes the PROGRAMMING and point for the pressure transducer.
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Page 55: Options
FM. See previous description of FM CONTROL STATION in SECTION 6 for the operation of these controls. GAGE INSTALLATION The CINCINNATI INCORPORATED FM gages are shipped disassembled from the machine. Remove gage assemblies... -
Page 56: Manual Front Gages
Presence Sensing Device is to support material. See Figure 8-3. muted by switching from the ON light to the OFF light. Contact CINCINNATI INCORPORATED if totally disabling the Interface is required. FIGURE 8-4 – Presence Sensing Guard ON/OFF Light ... -
Page 57: Tandem Mode
RAM UP but- length. Auto Crown is available on 400FM x 10’ and ton, EMERGENCY STOP button, OPERATOR con- longer, 500FM and 600FM x 12’ and longer, and trol switch and the MAIN DRIVE START and STOP 750FM and 1000FM x 14’... - Page 58 set is positive, the slave machine will track a posi- bined tonnage of both machines. For example, tion higher than the master. Negative values will when two 2000 FM Press Brakes are working in cause the slave to track lower than the master. tandem, the maximum tonnage that can be entered is 4000 tons.
- Page 59 Zero Offset Zero Offset Negative Offset Positive Offset FIGURE 8-7 – Tandem tilt options BENDING CAPACITY work load. Failure to follow this recommendation may result in poor quality parts or damaged tools. The bending capacity of the press brakes when To determine the maximum tonnage available for operating in Tandem Mode depends on both the a specified bend length, refer to the Tonnage...
- Page 60 “TANDEM communications error” 2000FM20 with 12” EIE Tandem (50’ overall length) There is a serial data link between the master 4000 and the slave machine. The message packets are 3800 checked for the proper number of parameters 3600 and the correct checksum. If errors are detected, 3400 then this message will be displayed.
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Page 61: Lubrication
SECTION 9 MAINTENANCE & ADJUSTMENTS To maintain the accurate performance of your BACKGAGES (Optional) CINCINNATI FM Hydraulic Press Brake, there are Note: The references to “spray lubricant” means to maintenance practices that should be followed. use “LPS #1” aerosol spray (C. I. #420924) or This section deals with the maintenance and to spray an SAE #10 oil. -
Page 62: Hydraulic Oil
315 SUS (68 cSt) 32°F (0°C) 108°F (42°C) 177°F (81°C) Grease the channel tapering carriage/guide rods using the fitting on the side of the tapering car- The following chart shows the reservoir capacity of riage. See Figure 9-4. CINCINNATI FM Hydraulic Press Brakes. -
Page 63: Oil Filter
MACHINE RESERVOIR CAPACITY HIGH PRESSURE FILTER GALLONS (LITERS) LENGTH 8 FT. 155 GAL. (2.4m) (587 Liters) 10 FT. 190 GAL. (3.0m) (719 Liters) 12 FT. 230 GAL. (3.7m) (870 Liters) 205 GAL. TOTAL 14 FT. & LONGER (400-750 Standard) (776 Liters) 266 GAL. -
Page 64: Checking And Setting Hydraulic Pressures
CHECKING & SETTING HYDRAULIC Two test ports (#3) are provided in the circuit for checking counterbalance pressure. See Figure 9-7. PRESSURES No dies should be installed in the machine during The hydraulic system is equipped with male this check. quick-disconnect fittings at the most frequently checked pressure test ports. - Page 65 If very cycle the ram upwards. heavy upper dies are to be used in the machine, consult CINCINNATI INCORPORATED for infor- 5. Move ram up using RAM UP button to top stop. mation to set the counterbalance pressure.
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Page 66: Air Filter / Breather
CYLINDERS This pressure is controlled by a preset valve and cannot be adjusted. Contact a CINCINNATI Cylinders on the CINCINNATI FM Press Brake are INCORPORATED Service Representative if this shown in Figure 9-8. The inner piston is attached pressure must be checked. -
Page 67: Motor / Pump
FIGURE 9-9A – Manifold mounted control valves (For 400 - 750 FM Standard) FIGURE 9-8 – Cylinder assembly MOTOR / PUMP The motor/pump combination(s) is vertically mounted on the reservoir top with the pump(s) submerged in the hydraulic oil. The pump(s) is a variable volume, pressure compensated piston pump(s) with a load sensor control. -
Page 68: Ball Seat Adjustment
RIGHT SLIDE ADJUSTING NUT END-GUIDE ADJUSTING BEARING NUTS CLAMP LOCK PLATE LOCK SCREW FIGURE 9-11 – Ball seat adjustment FIGURE 9-10 – Swivel end-guide bearing RAM LINEAR TRANSDUCER 1. Adjust swivel end-guide clamp by tightening the two hex nuts evenly until they are snug, (POTENTIOMETER) ADJUSTMENT monthly. -
Page 69: Machine Level
See Figure 9-13. Adjust threaded stud ELECTRICAL up or down until the ram position shows spac- er height on the machine control. There are no customer serviceable parts in the main electrical enclosure. Contact a CINCINNATI 10. Tighten the adjusting screw locknuts. INCORPORATED Service Representative detailed information. - Page 70 Presence the service access code. This can only be done by sensing is muted on the Up Stroke and below the a CINCINNATI INCORPORATED Service Repre- Mute position. sentative, who will enter the proper configuration...
- Page 71 There is not enough internal memory available to operation again, if the problem recurs, then call store the program. The only way to make more CINCINNATI INCORPORATED Service Department. memory available is to delete some programs. [XXXX] Amp Current Limit...
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Page 72: System Errors
Main Drive ON/OFF, button to exit the screen. Ram Up, front panel pushbuttons (MODE SELECT, STROKE STOPS, FORM SPEED Contact CINCINNATI INCORPORATED Service SELECT). Department. Note: Locate a qualified electrician to perform Steps POWER-UP TEST ON CPU BOARD 2, 3 and 4. -
Page 73: Background Communications
COMMUNICATIONS PROTOCOL provides excellent error rejection and recovery. This allows error-free file transfer in the noisy shop floor 1. Communications protocol used by CINCINNATI environment. The control implements both CLIENT VME machines is “KERMIT”. Applications sup- and SERVER modes of operation, allowing file... -
Page 74: Cable Assembly
3. For more information on “KERMIT”, see: “KER- For short cable runs the RS-422 signal can be MIT - A FILE TRANSFER PROTOCOL” by Frank converted to RS-232 by connecting RDB to SG Da Cruz, Digital Press - Order #EY-6705E-DP, and using only the TDA and RDA signals as ISBN #0-932376-88-6. -
Page 75: Daily Start-Up Of The Pc
DAILY START-UP OF THE PC 4. Press the “Perform Test” softkey on the FM and immediately type “ABC123” on the PC key- C:>CD \KERMIT <ENTER or RETURN> board. The keys typed should show up on the C:\KERMIT>KERMIT <ENTER or RETURN> FM control screen after “RECVD MESSAGE:”. - Page 76 TDA and RDA wires together and connect- ial port voltages. The voltages shown in Figure ing the TDB and RDB wires together (refer to 9-20 for the CINCINNATI control are for the Figure 9-18). Press the “Perform Test” softkey unloaded...
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Page 77: Maintenance Checklist
DB9M DCD Input TD Output DSR Input RD Input RD Input DB25M RTS Output RTS Output CTS Input TD Output DSR Input CTS Input DTR Output DTR Output DCD Input FIGURE 9-22 – PC 9-Pin Serial Port FIGURE 9-21 – PC 25-Pin Serial Port MAINTENANCE CHECKLIST –... -
Page 78: Troubleshooting
Ram motion stopped. Check hydraulics. Defective transducers. Replace transducer. Ram reverses before Defective tonnage control. Contact CINCINNATI Service. building up proper tonnage STROKE REVERSAL position set too HIGH. Lower STROKE REVERSAL position. or completing bend and highlights TONNAGE on Ram does not shift to forming speed from Reset SPEED CHANGE position. - Page 79 Fill pilot valve. Check solenoid valve electrical signal and spool shift. Hydraulic fluid is exces- Temperature control sensor set too high. Call CINCINNATI Service. sively hot (machines Defective temperature control sensor. Check and replace. equipped with oil coolers). Check stand-by pressure.
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Page 80: Section 10 Service And Parts
RETURNING PARTS FOR CREDIT TECHNICAL TRAINING 1. No item is to be returned without prior autho- CINCINNATI INCORPORATED offers a variety of rization. Please write or call (513-367-7100) the Operator and Maintenance Training Programs to factory for instructions and the returned goods assist our customers in obtaining maximum value authorization number. - Page 81 COPYRIGHT 1999 CINCINNATI INCORPORATED C I N C I N N A T I I N C O R P O R A T E D...
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