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Summary of Contents for Hi-Target HTS-420R
- Page 1 HTS-420R Maintenance Manual HTS-420R Total Station User Service Manual 2 0 1 9 info@hitargetgroup.com | http://en.hi-target.com.cn...
- Page 2 HTS-420R Maintenance Manual Manual Revision HTS-420R Total Station Revision Date Revision No. Description Mar. 2019 HTS-420R Total Station Service Manual...
- Page 3 HTS-420R Maintenance Manual HTS-420R Total Station...
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Page 4: Table Of Contents
HTS-420R Maintenance Manual Contents Disassembly of Main Parts ..........................1 Handle Unit ............................2 Display Unit (Face 2) ..........................2 EDM board ............................. 2 Mainboard ............................. 4 Electric Brush ............................4 EDM Module ............................5 Long Vial ..............................5 Horizontal Tangent Screw Unit ....................... 6 Vertical Tangent Screw Unit ........................ - Page 5 HTS-420R Maintenance Manual 13. Light Path Switch Motor Replacement ................... 17 Troubleshooting ............................18 Fault Analysis............................19 Fault Clearance ............................. 20 1. Fail to turn on ........................... 20 2. Automatic shutdown after turning on ..................21 3. Program crash .......................... 21 4.
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Page 6: Disassembly Of Main Parts
HTS-420R Maintenance Manual Chapter 1 Disassembly of Main Parts This Section Describes - Handle unit - Display unit (face 2) - EDM board - Mainboard - Electric brush - EDM module - Long level vial - Horizontal tangent screw unit... -
Page 7: Handle Unit
HTS-420R Maintenance Manual Handle Unit 1. Unscrew the two bolts with hand then take out the handle unit. Display Unit (Face 2) Compensator cables LCD cable Figure 2-2 display screws Figure 2-3 display cables 1. Unscrew the 4 screws then open the screen unit and turn it over. - Page 8 HTS-420R Maintenance Manual EDM board Figure 2-4 telescope cover screws Figure 2-5 EDM board,cables and screws Figure 2-6 optical fiber cable...
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Page 9: Mainboard
HTS-420R Maintenance Manual Mainboard Mainboard Figure 2-7 right cover screws Figure 2-8 main board , cables and screws 1. Unscrew the 6 screws on the right cover and take the cover out. 2. Take off all the cables and unscrew the 4 screws then take the mainboard out. -
Page 10: Edm Module
HTS-420R Maintenance Manual 1. After taking out the mainboard, remove the 3 fixing screws. 2. Take off the connector from the EDM board side then pull the Electric brush out from the mainboard side. EDM Module Figure 2-11 telescope cover screws Figure 2-12 EDM module and fixing screws 1. -
Page 11: Horizontal Tangent Screw Unit
HTS-420R Maintenance Manual Loosen the 2 screws and take long vial out. Horizontal Tangent Screw Unit Figure 2-14 fixing screws Open the display unit (face 2), then unscrew the 2 screws and take the whole tangent screw unit out. Vertical Tangent Screw Unit Figure 2-15 fixing screws After taking out the cover, do the same thing as done for Horizontal tangent screw unit. -
Page 12: Eyepiece
HTS-420R Maintenance Manual Eyepiece Figure 2-16 eyepiece, protective cover, screws 1. Unscrew and take out the protective cover. 2. Unscrew the 3 screws and take out the eyepiece. -
Page 13: Common Maintenance Items
HTS-420R Maintenance Manual Chapter 2 Common maintenance items This Section Describes - List of common maintenance items - Maintenance operations - Troubleshooting... -
Page 14: List Of Common Maintenance Items
HTS-420R Maintenance Manual List of Common Maintenance Items Long level vial calibration circular level vial calibration Telescope reticle calibration Collimation error calibration(2C calibration) Index error calibration(2I calibration) Compensator mechanical zero position alignment Compensating linearity calibration of compensator Laser plummet alignment... -
Page 15: Circular Vial Alignment
HTS-420R Maintenance Manual Step 2 Step 3 2. Circular vial alignment 1) Fix the instrument on a solid and stable platform. After leveling the instrument, check if the circular level vial is within the center circle. If it isn’t, continue the following steps to align it. -
Page 16: Collimation Error Calibration (2C Calibration)
HTS-420R Maintenance Manual Spacer 4. Collimation Error Calibration (2C Calibration) 1) Fix the instrument on a solid and stable platform. After leveling it, continue the following steps. 2) Face 1: Aim at target crosshair and make both crosshairs coincide. Set horizontal angle to 00°00′00″ (for easier calculation) and turn instrument to the Face 2. -
Page 17: Index Error Calibration (2I Calibration)
HTS-420R Maintenance Manual 5. Index Error Calibration (2I Calibration) 1) Fix the instrument on a solid and stable platform then level it. In the meantime, make sure the sight line from the eyepiece to the target crosshair is approximately horizontal. -
Page 18: Compensator Zero Position Alignment
HTS-420R Maintenance Manual 4) Face 2: do the same thing as done on Face 1, and finally press 【Ok】and restart the instrument to save the parameter. 6. Compensator zero position alignment 1) Fix the instrument on a stable and solid platform then level it. Take out the right cover and put in the battery then hang the cover to keep the battery connected. -
Page 19: Laser Plummet Alignment
HTS-420R Maintenance Manual 3) Adjust the tangent screws to make both crosshairs coincide again and then press 【 Ok】 . When the screen display the massage ‘’F1 down 3’”, adjust the leveling screw to tilt the instrument down by 6’ from the target horizontal line (the compensator axis is actually tilted down 3’... -
Page 20: Edm Laser Beam Alignment
HTS-420R Maintenance Manual 9. EDM laser beam alignment Setup the instrument and set a crosshair over 30 m away from it. Level the instrument and adjust the telescope to make both crosshair coincide. Turn on the EDM laser to check if the laser spot is cast right on the center of target crosshair. -
Page 21: Edm Laser Replacement
HTS-420R Maintenance Manual 10. EDM Laser Replacement Remove both top and bottom cover of telescope, and then take off the laser cable from EDM board. Loosen the fixing screws of the laser and take the laser out. Put the brand new laser into the support tube and adjust its front end to be aligned with that of the support tube. -
Page 22: Prism/No Prism Switch Motor Replacement
HTS-420R Maintenance Manual EDM laser 12. Prism/No Prism Switch Motor Replacement Unscrew the screws and remove the covers of the telescope. Pry the light out with tweezes, as shown in the picture. Put some alcohol on the screws to melt down the glue and loosen them with the screwdriver then pull the motor out. -
Page 23: Troubleshooting
HTS-420R Maintenance Manual Chapter 3 Troubleshooting This Section Describes - List of common maintenance items - Maintenance operations - Troubleshooting... -
Page 24: Fault Analysis
HTS-420R Maintenance Manual Fault Analysis Outline of Fault descriptions Fault detail Fault location 1. Power supply failure 2. Program damage No response when power Fail to turn on 3. power key disconnected button is pressed down 4. Screen disconnected 5. Mainboard failure 1. -
Page 25: Fault Clearance
HTS-420R Maintenance Manual 1. CCD disconnected or broken 2. Broken LED 3. Mainboard failure 1. Broken EDM laser Return no distance value 2. Broken EDM board Don’t measure distance at all regardless of however long 3. Laser getting blocked by shutter of... -
Page 26: Automatic Shutdown After Turning On
HTS-420R Maintenance Manual 2. Automatic shutdown after turning on (1) Check if battery has low power. If it does, replace the battery (2) Replace the mainboard if the check if it is faulty (3) Replace the EDM board to check if it is faulty 3. -
Page 27: Inaccurate Slope Distance Result
HTS-420R Maintenance Manual (2) Replace the laser and test again to find out if the laser is weak 9. Inaccurate slope distance result (1) Reset the Add constant (2) Reset the Mul constant (3) Check if the laser is blocked by light shutter of motors 10.
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Questions and answers
Hello, my Hi target TTS Hangs when i am doing a field work especially when doing any resection work what might be the problem and how do i fix that