Related Manuals for PAT EI65
Summary of Contents for PAT EI65
- Page 1 ANGLE-LENGTH-RADIUS-LOAD INDICATOR SYSTEM EI65 TROUBLESHOOTING HANDBOOK Link-Belt Construction Equipment LATTICE BOOM CRANES 031-300-190-035 REVISION A 01/25/99...
- Page 2 NOTICE The information in this document is subject to change without notice. PAT makes no warranty of any kind with regard to this material, including, but not limited to the implied warranties of merchantability and fitness for a particular purpose.
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Page 3: Table Of Contents
EI65 TROUBLESHOOTING HANDBOOK Table of Contents 1. General Information................1 2. Warnings ....................2 3. System Flow Charts................3 3.1. No Display ..................4 3.2. Anti-Two Block Problem ..............5 3.3. Angle Reading Problem..............7 3.4. Load Reading Problem..............8 4. -
Page 5: General Information
The error codes are listed in Section 4, Error Codes. The table identify various faults that can occur with the EI65, explain each fault, and describe the action which shall be taken to correct the fault. -
Page 6: Warnings
EI65 TROUBLESHOOTING HANDBOOK 2. WARNINGS • The EI65 is an operational aid which warns a crane operator of certain approaching hazardous conditions which could cause damage to equipment and personnel. • The device is not, and shall not be, a substitute for good operator judgment, experience and use of accepted safe crane operating procedures. - Page 7 EI65 TROUBLESHOOTING HANDBOOK 3. TROUBLESHOOTING FLOW CHARTS This section explains how to handle a problem that may arise with the EI65, PAT Load Indicator System. The procedures are easy to follow and are given in flowcharts on the following pages. Start with the general flowchart below which will guide you to one of the detailed flowcharts shown in this section.
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Page 8: No Display
EI65 TROUBLESHOOTING HANDBOOK 3.1 NO DISPLAY PROBLEM: Blank console display with no warning light shown. Start Check fuse F1 in console. Refer to Drawing 2, Connection Board, Section 5. Drawings. Correct? Replace fuse (2amp/250V) Measure crane voltage on connection board between X1:1 (+UB) and X1:3 (ground). -
Page 9: Anti-Two Block Problem
EI65 TROUBLESHOOTING HANDBOOK 3.2 ANTI TWO BLOCK PROBLEM PROBLEM: Function of Anti-Two-Block System is faulty. START Check to see whether or not crane is in two-block condition. Correct? Lower hook down into safe position Check weight position. Refer to Operator's Section of Handbook 031-300-190-015 Section 5. - Page 10 EI65 TROUBLESHOOTING HANDBOOK 3.2 ANTI TWO BLOCK PROBLEM - continued Continued from previous page. PREVIOUS PAGE With power off, measure the A2B signal in the console at the X1:9 and X1:10. With the switch weight in position the ohm meter reads 4.7K ohms.
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Page 11: Angle Reading Problem
EI65 TROUBLESHOOTING HANDBOOK 3.3 ANGLE READING PROBLEM PROBLEM: Displayed Angle Incorrect. Actual measured angle is different from displayed angle. START Use a calibrated inclinometer to measure the actual main boom angle and compare with displayed angle on console. Refer to Drawing 5. Angle Sensor Adjustment in Section 5. Drawings. -
Page 12: Load Reading Problem
EI65 TROUBLESHOOTING HANDBOOK 3.4 LOAD READING PROBLEM PROBLEM: Displayed Load is out of tolerance. The displayed load should be equal to or 10% greater than the actual load. START Complete Pre-Operation Inspection in Section 5 of the Calibration Section of the Operator's and Calibration Handbook 031-300-190-015. - Page 13 EI65 TROUBLESHOOTING HANDBOOK 3.4 LOAD READING PROBLEM - continued Previous Page Remove hoist rope so there is no load on the load cell of the linerider. Check the zero point of the Linerider on connection board between Main X1:26 (+sig) and X1:27 (-sig) Aux X1:30 (+sig) and X1:31 (-sig) Voltage = 0 ±0.025V...
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Page 14: Error Codes
EI65 TROUBLESHOOTING HANDBOOK 4. ERROR CODE TABLE Error code Reason Action Operating data in the buffered RAM Turn on the system again and adjust operating data Crane parameters in the serial EPROM Re-calibrate the system incorrect Wrong EPROM programming or EPROM... -
Page 15: Drawings
EI65 TROUBLESHOOTING HANDBOOK 5. SYSTEM DRAWINGS The PAT EI65 System drawings in this section are provided as reference material for the troubleshooting flow charts. Use the drawings in conjunction with the flow charts to help understand the operation of the EI65 system. - Page 16 EI65 TROUBLESHOOTING HANDBOOK 031-300-190-035 REVISION A 01/25/99...
- Page 17 EI65 TROUBLESHOOTING HANDBOOK 5. DRAWING 2. CONNECTION BOARD LAYOUT MP1 = GND MP2 = 5.6V MP3 = 5.6V MP4 = 5.25V 5. DRAWING 3. MAIN BOARD LAYOUT MP0 = GND MP8 = SIGNAL, KMD2 MP1 = AGND MP9 = AN5 REFERENCE VOLATGE MP2 = +5.0V...
- Page 18 EI65 TROUBLESHOOTING HANDBOOK 5. DRAWING 4. ANTI-TWO BLOCK CIRCUIT The anti-two block circuit can connect three A2B switches in series. The signal is divided by a 4.7KΩ resistor; therefore, a resistance can be measured 4.7KΩ between: • console terminal X1:9 and 10 •...
- Page 19 EI65 TROUBLESHOOTING HANDBOOK 5. DRAWING 5, ANGLE SENSOR ADJUSTMENT WG 203 φ φ The angle φ shown above needs to be within +0, -0.4 of the actual angle of the boom. Check boom angle at base/heel section only. After adjustment, compare the actual boom angle with the displayed angle at about 0°, 30°...
- Page 20 EI65 TROUBLESHOOTING HANDBOOK 5. DRAWING 7, ANGLE SENSOR CIRCUIT 031-300-190-035 REVISION A 01/25/99...
- Page 21 EI65 TROUBLESHOOTING HANDBOOK 5. DRAWING 8, LINERIDER CIRCUIT 031-300-190-035 REVISION A 01/25/99...
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Page 22: Linerider Supply Voltage
EI65 TROUBLESHOOTING HANDBOOK 5. DRAWING 9, LINERIDER SUPPLY VOLTAGES The supply voltage can be checked directly at the cannon connection. Using a digital volt meter measure between pins A and B, (A= +9v) + (B= -9v) = 18volts. If this voltage is not correct refer to the system wiring diagram and verify all cable connections. - Page 23 EI65 TROUBLESHOOTING HANDBOOK HANDBOOK REVISIONS REV DATE NAME DESCRIPTION 10/19/98 EI65 Troubleshooting handbook created. 01/25/98 Pg 13 - Add both sides of main board and measuring point Pg 15 - Chg. drawing 6 +5 volts 031-300-190-035 REVISION A 01/25/99...