Laser Reference pro shot L1-M Service Manual Download | Manualshive

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Motor Problems Model L1-S Only

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Summary of Contents for pro shot L1-M

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Page 2: ...1 M and L1 S Confidential This document contains Laser Reference Inc proprietary information and shall not be duplicated disclosed to others or used for purposes other than to carry out the intent for which this material is delivered Version 1 5 June 1998 ...

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Page 4: ...d service checks 19 1 Calibration check 19 2 Alarm deadband check 20 3 Out of level alarm function check 20 4 Motor stall and re start check L1 M Only 20 5 Beam power check 20 Repair Examples 21 1 Adjust both grade alarm deadbands 21 2 Replace rotation motor 21 2 Replace main P C B 21 IV Repair Procedures 21 101 Clean and Calibration 21 103 Base Plate Removal and Replacement 22 106 X Axis Sensor R...

Page 5: ...aser Reference Inc Manufacturer of Pro Shot Products 450 Salmar Ave Campbell CA 95008 Toll Free USA 1 800 238 0685 Telephone 1 408 370 4929 Fax 1 408 866 0858 Email sales proshotlaser com World Wide Web www proshotlaser com ...

Page 6: ...3 External Parts Detail Model L1 M Fig 1 ...

Page 7: ...4 External Parts Detail Model L1 S Fig 1A ...

Page 8: ...5 Internal Parts Detail Model L1 M Fig 2 10 0495 LCD assembly ...

Page 9: ...6 Internal Parts Detail Model L1 S Fig 2a ...

Page 10: ...7 Housing Lighthouse Model L1 S ...

Page 11: ...8 Motor Problems Model L1 M Only ...

Page 12: ...9 Motor Problems Model L1 S Only ...

Page 13: ...10 Power Problems ...

Page 14: ...11 Laser Receiver Interaction Units sold with the R4 Receiver will stop rotating when the transmitter is moved out of level ...

Page 15: ...12 Calibration Problems ...

Page 16: ...13 Calibration Problems 2 ...

Page 17: ...14 Calibration Problems 3 ...

Page 18: ...15 Low Battery Indication Not cured with new Batteries ...

Page 19: ...16 Laser Will Not Switch Grade Alarm Modes Actual Slope Does Not Match Setting Indicated by Counter ...

Page 20: ...n transportation and living expenses During the term of the warranty on Laser Reference products see warranty statement for details Laser Reference or It s distributor will reimburse an approved service center for warranty repairs based on the repair times listed in this manual The dollar rate of reimbursement per hour will be set by the distributor Laser Reference is the distributor in the United...

Page 21: ...cope Static free work station FIG 4 Axis conventions used in this manual Refer to the owner s manual if you are not familiar with the operation and use of the controls and displays on the product The owner s manual also includes a basic calibration check routine that may be useful in the event that you do not have the Laser Reference 50 1000 calibration range or equivalent ...

Page 22: ... adjust the Cross Axis calibration screw until the Cross Axis display is centered Wait for about 30 seconds to be sure no further adjustment is needed J Rotate the laser 90 so that the Slope Axis is facing the optical instrument Level the laser and wait for about 30 seconds to be sure no further adjustment is needed K Without moving the calibration receiver adjust the laser until an on grade indic...

Page 23: ...ure surface Turn the laser on and center both displays The receiver should display elevation information as normal Move one leveling screw until the laser is out of it s selected range Now the receiver should display either the text or graphic laser off grade symbol Once the laser is re leveled the receiver will once again display grade information If the receiver does not display the laser off gr...

Page 24: ...tation motor Proc No Description Time 109 Motor removal and replacement includes squaring and penta replacement 75 101 Clean and Calibration to be added to all repairs 75 total 1 5 2 Replace main P C B Proc No Description Time 107 Circuit board removal and replacement includes setting deadbands and beam power 5 101 Clean and Calibration to be added to all repairs 75 total 1 25 IV Repair Procedures...

Page 25: ...1 Slide base plate onto s axis leveling screw 2 Rotate base plate clockwise until x axis leveling screw cradle is around x axis leveling knob 3 Insert 4 40 screw with washer and o ring through base plate into brass support post a Tighten screw just enough to expand the size of the o ring to the size of the washer DO NOT OVER TIGHTEN 4 Insert spring tension screw through base plate into instrument ...

Page 26: ... Insert blade of driver between bottom of gear and nylon lead screw bushing Rotate driver blade 6 Using 7 64 hex driver remove two screws holding counter plate 7 Lift counter plate assembly up and off lead screw 8 Remove washer from lead screw 9 Rotate grade knob until sensor is clear of lead screw B Replacement 1 Apply Nyogel or equivalent heavy lubricant to the threads of the brass block 2 Threa...

Page 27: ...h top aligned with top of counter plate b Tighten upper screw enough to hold counter in place c Shift counter over until gears mesh with minimal backlash and no binding d If sensor operates backward reverse positions of the two leads coming from the top of the sensor assembly 13 Adjust slope axis grade alarm deadband see procedure 108 106 X Axis Sensor Removal and Replacement Tools required 1 4 so...

Page 28: ... circuit board leads are soldered 3 Using a Phillips driver loosen the sensor guide screws 4 Using a 1 4 socket driver remove the x axis calibration screw 5 Using a broad tipped Phillips driver remove the screw at pivot end of sensor 6 Lift the sensor off of the instrument plate Note pivot bearings are under the sensor B Replacement 1 Solder the sensor wires into the circuit board refer to drawing...

Page 29: ...ew into the brass calibration bar until approximately 1 4 inch of it is through 5 Push the sensor standoffs against the sensor assembly and tighten the guide screws 6 Replace base plate assembly see procedure 104 7 Adjust the cross axis grade alarm dead band see procedure 108 107 Circuit Board Removal and Replacement Tools required Grounded soldering iron Time 5 FIG 9 Circuit Board Connections and...

Page 30: ...kets and tighten three holding screws ensure spacers are between circuit board and holding brackets 3 Re connect the diode wires according to your notes made during removal 4 Re connect the cross and slope sensor leads see procedures 105 and 106 Caution Before applying power to the P C B the beam power potentiometer must be set to a safe level turn 5 to 6 turns counter clock wise to be safe The la...

Page 31: ...er 75 050 hex driver Soldering iron 1 4 socket driver Low profile 1 4 wrench A Removal 1 Remove the battery cover and batteries 2 Using a 9 64 hex driver remove halo assembly support screws 3 Remove the halo assembly from the main housing Note do not remove the screws from the post This will keep them in the proper places The screws are not necessarily interchangeable The lower screw must be short...

Page 32: ...he new motor assembly 9 Remove the three holding nuts and washers 10 Remove the motor assembly B Replacement does not apply to L1 S 1 Position the motor assembly in alignment with scribe marks made in step A8 2 Replace and tighten the holding nuts and washers 3 Solder the motor wires to the motor terminals 4 Check squaring refer to procedure 110 ...

Page 33: ...rminals FIG 5 Motor mounting and adjustment points 3 Scribe a mark around the motor mounting plate this is to ensure proper centering when installing the new motor assembly 4 Remove the three holding nuts and washers 5 Remove the motor assembly 6 Using a 050 hex driver loosen the set screw in the penta mirror base and remove the mirror assembly B Replacement 1 Install the penta mirror assembly ont...

Page 34: ...te the reflected beam on the target and record its location 4 Rotate the laser 180 degrees and re level 5 Find the beam again and mark its location 6 Determine the midpoint between the two previous points 7 Raise or lower beam using adjustment points A and B see fig 9 a Bring the beam to the midpoint mark with vials level 8 Rotate the laser 180 degrees and relevel then check adjustment a Re adjust...

Page 35: ...irror assembly 3 Remove the penta mirror assembly B Replacement 1 Place penta spacer S T 50 1060 against the underside of the halo assembly a Slide the penta mirror assembly onto the motor shaft until it contacts the spacer tool 2 Using the 050 90 hex driver tighten the set screw in the penta mirror assembly 4 Replace the halo assembly NOTE TAKE CARE NOT TO PINCH WIRES 111 S Penta Mirror Removal a...

Page 36: ...utions to avoid exposure 1 Procedure using Infra Red Viewer a Remove laser housing see procedure 101 b Attach the laser to the vertical adapter accessory model V1 c Be sure the beam projects away from any contact with people You will need approximately 50 feet 15 meters of range to project to your far point Apply power to the laser and using the infra red viewer adjust the laser using the S axis l...

Page 37: ... d Now make a mark or set of marks at the top of the wall f Return to the laser and turn it 180 so that the beam is projecting toward the wall from the opposite side of the laser Set the receiver at the bottom mark and use the X axis leveling screw to align the laser to the receiver Re level the vertical vial Use the receiver to check the top mark s if there is an error of more than 1 8 inch in 25...

Page 38: ...35 PCB Layout ...

Page 39: ...36 Schematic for L1 M S ...

Page 40: ... 500K pots Replace capacitors 10 2060 4 if marked with IC and batch H 27 Replace if it has the Phillips logo and the customer has complained of unstable calibration If there is a spin up routine upon start up and there is a piggyback board installed then the spin up function should be disabled and a new type of motor gold body installed Clip out I C to disable spin up Clip out Q1 to disable spin u...

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