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Makita SKR300, Service Manual, Page: 11 / 41

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Makita SKR300 Service Manual Download Page 11

SKR300 (version 1-12-03)

Page 10

2b. Vertical Setup

Flip the retractable foot. Place the instrument in vertical position, resting on this 
foot. Use the adjustable feet to rough level the laser to adjust the top bubble vial 
in order to achieve best accuracy for long distance.

Press the On/Off key to switch the laser on. It will start automatic levelling.

2c. Using the Laser Chalk Line

Hold the head and rotate the top cover (12) so 
that the beam comes out the laser line 
aperture (4). This gives a precise and stable 
laser line for viewing at short distances. You 
can move the line by rotating the head 
manually or by using the remote control.

Note : The LDR180 detector will not work with 
the chalk line

Summary of Contents for SKR300

Page 1: ...SKR300 version 1 12 03 SKR300 Service Manual ...

Page 2: ...ousing X Y motor Page 14 b Remove PCB Page 15 c Two versions PCB Page 16 d Inner module Page 17 18 4 Rotating head disassembly Page 19 5 Housing disassembly Page 20 6 Battery pack disassembly Page 21 7 LDR180 Remote disassembly Page 22 8 Calibration a X axis calibration Page 23 b Y axis calibration Page 24 c Z axis calibration Page 26 9 Troubleshooting a Laser light and motor failures Page 28 b La...

Page 3: ...be used for levelling vertical alignment plumbing and squaring The SKR300 laser has these advanced features Automatic self levelling in both horizontal and vertical modes Choice of beams rotation plane scanning chalk line single point or constant squaring Square shot that s left right adjustable ...

Page 4: ... Size 3 lbs 1 3 kg Weight 2 x LR20 or D alkaline batteries or rechargeable batteries Power 160 hours with alkaline batteries 40 hours with rechargeable batteries Battery life 15 hours Battery charging time 10 to 50 C Operating temperature 10 to 48 Scanning angle 10 mm at 100 m Plump square laser spot 10 mm at 30 m Chalk line accuracy 30 or 3 16 at 100 ft or 10mm at 100m 5 mm cone levelling accurac...

Page 5: ...roof 50 hours Battery life 9v alkaline battery LR6 Power LCD front and back Displays 3 different tones high normal and mute Sound 2 5 4cm Capture window Coarse 5mm Fine 2mm Accuracy 500 ft 150m Operational Range 3 3 x 2 x 0 8 85 x 50 x 20 mm Size 16 hours Battery life IP61 Weatherproof 45 g Weight 1 5v alkaline battery AA Power 30m interior 150 ft 15m exterior Operational Range TL25 ...

Page 6: ...erture 4 Laser chalk line aperture 5 Arrow align with 90 index mark 6 90 index mark X1 X2 Y1 Y2 7 Retractable foot for vertical setup 8 Adjustable feet for vertical setup 9 Batteries rechargeable or alkaline 10 Jack for rechargeable battery 11 5 8 11 mount 12 Top cover 13 Vial for vertical rough levelling 6 13 11 10 9 8 ...

Page 7: ...xis 16 Decrease scanning angle In vertical mode move plane to the right Move beam down 17 Increase scanning angle In vertical mode move plane to the left Move beam up 18 Capture window for remote control 19 Manual mode light Z Axis calibration indicator 20 Manual Automatic 21 H I Alert light Y Axis calibration indicator 22 H I Alert Tilt 23 Battery low light X Axis calibration indicator 24 On Off ...

Page 8: ... laser automatically if the laser is jarred or moved This function is only available in Automatic mode Press the Tilt key after turning the instrument on The H I Alert feature is ON H I light blink after the instrument has self leveled for 30 seconds If the laser is disturbed the head will stop rotating laser beam shut off and the H I light will be solid on You have to restart the instrument and c...

Page 9: ...atic self levelling mode auto when turned on Once the instrument has self leveled the laser head will start rotating You can choose to have constant rotation by using the Manual mode This way the beam will rotate even if the instrument is not leveled The red light above the Auto Manual button will blink to indicate the instrument is in manual mode ...

Page 10: ...ill start automatic levelling To stop the rotation press once on opposite direction Left 14 or Right 15 When the head stop briefly press 14 or 15 to move the laser beam to a specific point You can also manually spot the beam by rotating the laser head with your hand To adjust the rotation speed press Left 14 or Right 15 continuously according to the direction you wish 16 17 14 15 ...

Page 11: ...ccuracy for long distance Press the On Off key to switch the laser on It will start automatic levelling 2c Using the Laser Chalk Line Hold the head and rotate the top cover 12 so that the beam comes out the laser line aperture 4 This gives a precise and stable laser line for viewing at short distances You can move the line by rotating the head manually or by using the remote control Note The LDR18...

Page 12: ...djust the scanning angle 10 to 48 press 2 or 3 17 or 16 2e Power When the battery power is low the laser head will stop rotating the On Off led indicator 23 blink and then stay on Recharge battery pack or replace both alkaline batteries at the same time The SKR300 can be charged while working If electricity is available on the job site simply plug in the charger and keep on working ...

Page 13: ...ays on then release H l tilt 4 Press H l tilt 22 once 5 Press Auto Man 20 once 6 Press Turn Left 14 once 7 Press UP 17 once 8 Press Turn Right 15 once 9 Press Down 16 once Step 4 Step 5 23 21 19 18 24 22 20 14 15 Step 6 Step 8 Step 7 Step 9 The laser beam should be on and the head will turn and levelling motors will move to end of X Y axis The test will not stop until power off 17 16 ...

Page 14: ...ight SKR300 is a laser diode class IIIR product When adjusting care must be taken to meet IIIR requirements Following page is a flow chart showing the order of disassembling the SKR300 but before disassembling take out the batteries START Internal disassembly Rotating Head Disassembly Housing disassembly ...

Page 15: ...se the lower housing assembly c Laying the upper housing aside Be careful not to damage all the cables and connectors Note D12 in part list included D1 D12 D13 D23 in this figure Remove X Y motor a Remove screw D34 and release motor brace D36S b Disconnect X Y motor connector from PCB c Remove X Y motor d Reverse steps c a to place new motor ...

Page 16: ...b Remove plastic sleeve D27 to remove the Y axis assembly D19 D25 c Unplug all the connectors by using a tweezers small flat screw driver to unlock the inter lock of connectors d Unlock and unplug keypad flat cable e Remove 3 screws D20 to release PCB NOTE Twist the keypad flat cable a bit for easier plug back ...

Page 17: ...anning Battery Rotation motor Y motor Laser Diode X motor A A New version With this board you can change the keypad without remove the PCB 3c Two versions PCB Z sensor Y sensor X sensor Rotation motor Y motor Battery X motor Laser Diode Scanning B B Old version ...

Page 18: ...Module Replace Inner module a Remove Lower housing assembly b Remove Rotating head assembly c Un hook X and Y adjusting spring d Remove Locating ring by snap ring pliers e Remove Inner module f Reverse steps d to a to put in new Inner module ...

Page 19: ...o rings under the laser diode are in good condition c Place the new laser diode on top of the o rings d Slightly tighten 3 screws back e Place the Inner Module on calibration diode base as shown e Connect 3v battery to the laser diode and project the spot to about 30 meters away f Slowly rotate the Inner module clockwise g The laser spot should drawing circle following the rotation of Inner module...

Page 20: ... A13 b Head body A6 now can be removed Replace head mirror c Use a 1 5mm hexagonal wrench to unlock the head mirror lock screw A9 d Hold the side of head mirror A8 and pull upward to remove head mirror Be careful not to touch the glass surface c Clean and apply small amount of SPG35SL to the o ring before assemble the rotating head ...

Page 21: ...SKR300 version 1 12 03 Page 20 5 Housing disassembly ...

Page 22: ...SKR300 version 1 12 03 Page 21 6 Battery pack Alkaline Battery Pack Rechargeable Battery Pack ...

Page 23: ...caps item no 5 b Remove 6 screws Item no 21 by cross screwdriver c Removes back cover d Unplug buzzer connector e Remove 3 screws Item no 15 to remove PCB f Clean and apply small amount of SPG35SL on waterproof seal before cover the case back d Reverse steps e a to put back ...

Page 24: ...y to be calibrated on X axis 6 Place the laser on a flat surface 30m from a wall with X1 is facing the wall 7 After it s level mark the location of the beam X1 8 Rotate the laser 180 After it s level mark the location of the beam X2 9 If the two marks are less than 6mm apart 0 010 then jump to Y Axis 10 Mark the spot that s halfway between the two marks 11 With X2 facing the marks bring the laser ...

Page 25: ...are less than 3mm apart 0 010 then jump to Saving the calibration 4 Mark the spot that s halfway between the two marks 5 With Y2 facing the marks bring the laser beam up or down to the center mark by using 2 or 3 on the detector or remote Saving the calibration The laser is now calibrated in the X and Y axis Press 14 on keypad or 5 on detector or remote to save calibration data If you don t wish t...

Page 26: ...ent Chalk line Calibration 1 Remove head top cover 2 Rotate the head body to chalk line mode 3 Project the line to a wall 10 meters away 4 Check if the chalk line is within 5mm margin by rotating the laser head slowly 5 Adjust the 3 screws to minimize the error ...

Page 27: ...xis needs calibration Vertical calibration 1 Place laser in vertical mode turn the laser off before switching to calibration mode 2 Simultaneously press On Off and Auto Man 3 Release On Off key 4 The X LED 23 blink then the Y LED 21 stays on Release the Auto Man key 5 The Z LED 19 blink rapidly then slowly indicate laser is ready to be calibrated in Z axis 6 Move the beam until it s vertical and p...

Page 28: ...ery Battery Cable PCB Laser diode Motor Laser Light Failure Laser diode PCB Dim Laser Light Laser diode PCB Motor Failure Battery X Y Motor PCB Excessive Rotation Noise X Y Motor Inner Modular Accuracy out of Specification Calibration Inner Modular Laser frequently re levelling Check PCB IC vision is SAGA R6 or above ...

Page 29: ...SKR300 version 1 12 03 Page 28 9a Laser Light and Motor Failures ...

Page 30: ...SKR300 version 1 12 03 Page 29 9b Laser Light Problem ...

Page 31: ...SKR300 version 1 12 03 Page 30 9c X Y Motor Failure ...

Page 32: ...SKR300 version 1 12 03 Page 31 9d Excessive Rotation Noise ...

Page 33: ...SKR300 version 1 12 03 Page 32 9e Accuracy out of Specification ...

Page 34: ...SKR300 version 1 12 03 Page 33 10 Spare Parts List ...

Page 35: ...7 00 A25 1 00 10 Washer M2 5 2 7 6 0 5 0 130 00 A12 2 10 10 Screw M3 x 3 STHC 0 129 00 A9 42 00 1 HV head support with mirrors T 000 00 A8 10 50 1 Makita head body section HV silver CT 000 05 A6 6 93 1 Line generater assembly 0 126 00 A5 1 00 10 O ring diameter 2 9 0 125 00 A4 3 20 10 O ring diameter 41 0 124 00 A3 2 10 10 Screw M3 x 8 TCHC stainless steel 0 122 00 A1 Prices Batch Description Ref ...

Page 36: ... 10 1 Black plastic handle 0 114 02 B10 2 00 1 Silver X axis window 0 112 0A B8 6 70 10 Adjusting spring for automatic laser Y axis 0 111 00 B7 6 70 10 Adjusting spring for automatic laser X axis 0 110 00 B6 6 00 1 Upper body with MAKITA printing 0 103 05 B4 1 50 1 Silver horizontal support 0 107 0A B3 6 30 10 Pin diameter 3 x 28 0 106 00 B2 13 66 1 Bearing diameter 17 0 105 00 B1 Prices Batch Des...

Page 37: ...phere 0 237 10 D25 2 10 10 Metal ball diameter 6mm 0 222 00 D23 1 10 10 Screw 25 x 10 0 219 00 D20 9 30 1 Transverse Y axis assembly 0 218 00 D19 3 80 10 Screw 50 x 50 0 216 00 D17 2 50 10 Screw 50 x 25 Flat end 0 215 50 D16 6 30 10 Black height adjusting wheel assembly 0 214 02 D15 10 50 10 Threaded axle 0 213 00 D14 1 00 1 Tubular seal 50 20 cm 0 142 01 D13 15 50 1 Black base with inserts batter...

Page 38: ...70sh 0 186 00 2 10 Batch 10 pcs Screw M3 x 8 TCHC 0 122 00 57 00 Laser diode 635 2 assembly 0 163 20 M3 116 00 75 00 Inner module without diode M1 500 00 M2 172 00 134 00 Inner module 2mW M1 500 20 M1 Prices Standard Replacement Description réf Code Defective item must be returned ...

Page 39: ...movable screw 0 302 00 E3 1 00 1 Tubular seal 50 20 cm 0 142 01 E2 Prices Batch Description Ref Code E Rechargeable Battery pack 16 00 1 Black rechargeable battery assembly PA 000 02 E7 1 00 10 Securing ring 0 303 00 E4 4 90 10 Un removable screw 0 302 00 E3 1 00 1 Tubular seal 50 20 cm 0 142 01 E2 Prices Batch Description Ref Code ...

Page 40: ...cover CR 020 00 20 1 50 10 Detector gasket CR 019 00 19 1 52 1 Lower body section CR 017 00 17 4 90 10 M2 Screw CR 015 00 15 75 00 1 Electronic circuit assembly CR 014 00 14 1 00 10 Magnet plate CR 013 00 13 3 00 10 Magnet CR 012 00 12 1 50 10 Magnet housing CR 011 00 11 1 00 10 Cap for receiver M3 screw CR 005 00 5 9 90 10 Waterproof seal CR 004 00 4 1 52 1 Upper body section CR 003 00 3 11 00 1 ...

Page 41: ...03 Page 40 11 Tools 1 Screwdrivers 2 Tweezers 3 Lens tissue 4 Snap ring pliers 10 50mm 5 IC extractor tool 6 Hexagonal wrench 1 5mm 2 0mm 2 5mm 7 Electrolube SPG353L 8 Calibration diode base reference 5 011 00 see page 18 ...

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