R-4890.A
ECLIPSE Ni-U Main Body
Repair Manual NIKON CORPORATION
©2012 NIKON CORPORA CORPORATION TION All rights reserved
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R-4890.A
Table of Contents Foreword..............................................................................................................................P.4 Notes for Repair .......................... ............. .......................... .......................... ........................... ........................... .......................... .......................... ................ ... P.4 1.
2.
3.
4.
Tools.............................................................................................................................P.5 1-1.
Tools for General Use and Preparations ......................... ............ .......................... .......................... ........................... .............. P.5
1-2.
Tools for Special Special Purposes .......................... ............. .......................... ........................... ........................... .......................... .................... ....... P.6
Removing the Cover .......................... ............. .......................... .......................... ........................... ........................... .......................... .................... ....... P.7 2-1.
Removing the Rear Cover........................................................................................P.7
2-2.
Removing the Right and Left Front Covers..............................................................P.7
2-3.
Removing the Elevation Block ......................... ............ ........................... ........................... .......................... .......................... ................ ... P.8
2-4.
Removing the Base Front Cover..............................................................................P.8
2-5.
Removing the Right Side Cover...............................................................................P.9
2-6.
Removing the Left Cover ........................... .............. .......................... .......................... .......................... ........................... ..................... ....... P.10
Replacing Electrical Parts............ Parts......................... ........................... ........................... .......................... .......................... ......................... ............ P.11 3-1.
Replacing the Power Supply Assembly............ Assembly .......................... ........................... .......................... .......................... ............... P.11 .11
3-2.
Replacing the Switch Board ......................... ............ .......................... ........................... ........................... .......................... .................. ..... P.12
3-3.
Replacing the Brightness Control Dial (#1109).......................................................P.12
3-4.
Replacing the Power Switch...................................................................................P.13
Replacing Parts and the Mechanical Unit.................................................................P.14 4-1.
Replacing the Single-Axis Fine/Coarse Focus Drive..............................................P.14
4-2.
Replacing the Elevation Block................................................................................P.14
5.
Disassembling/Reassembling the Gear Train..........................................................P.15
6.
Disassembling/Reassembling Disassembling/Reassemb ling the Single-Axis Single-Axis Fie/Coarse Focus Drive Drive ............... ............ ... P.17
7.
Disassembling/Reassembling the Elevation Block.................................................P.24
8.
Adjusting the Stage Tilt..............................................................................................P.28
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Foreword 1. This manual is intended for ECLIPSE Ni-U. 2. Take extra extra care to avoid injury from sharp edges edges or projections and electric shock by touching live components. (Unplug the power cable and wear work-gloves before starting work.)
Notes for Repair ·
·
Use an appropriate appropriate screwdriver for the screw head slot. (Especially (Especially take care of the (+) slot head screw.) The plastic parts must be cleaned with a neutral solvent. If an organic solvent (ether, (ether, thinner, alcohol, etc.) is used, discoloring or deterioration of the part might occur. occur.
·
When cleaning cleaning the glass parts, parts, take care to remove dust using a blower etc. and wipe the parts with a lens tissue moistened with alcohol or alcohol-ether mixture.
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1. Tools 1-1. Tools for General Use and Preparations
Tool No.
Name
Shape
J21084 T91400 T91000 T91204
Hex-key set (+) Screwdriver set (-) Screwdriver set (+) Wood handle screwdriver (-) Wood handle screwdriver (+) Screwdriver bit (For JCIS screw M2, M2.6)
Set (x6) Set (x4) Set (x6) Diameter 6 mm
T91102 T91305
T91320
Width 5.5 mm φ2.5mm φ115mm
(+) Screwdriver bit holder
T92041
Tweezers AA
T92162
Compass spanner A
T92163
Compass spanner B
E719
Handlap (Alcohol container)
90mm φ8mm
Alcohol (or alcohol-ether mixture), Lens tissue, tissue, Blower, Blower, Gasoline (for cleaning), Bamboo stick (for applying lubricant, adhesive), Dial gauge, Scraper For Lubricant and Adhesive: Refer to Parts Lists (KR-8231=MBA92010).
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1-2. Tools for Special Purposes
Tool No.
Name
J28005
1-minute reading collimator
J25552
Parallel mirror
Shape
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2. Removing the Cover When reassembling the cover, reverse the disassembling procedure.
2-1. Removing the Rear Cover 1)
Remove the the rear cover (#0054) by extracting the screws screws (#0096 x 6).
Rear cover
Fig 1
Screws (#0096x6)
2-2. Removing the Right and Left Front Covers 1)
Remove the right front cover (#0052) (#0052) by extracting the sems bolts (#0092 (#0092 x 3).
2)
Remove the left front cover (#0053) (#0053) by extracting the sems bolts bolts (#0092 x 3).
Left front cover
Right front cover
Fig 2
Sems bolts (#0092x6)
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2-3. Removing the Elevation Block 1)
Remove the elevation block block cover (#0055) by extracting the sems bolts bolts (#0083 (#0083 x 2). Elevation block cover
Fig 3
Sems bolts (#0083x2)
2-4. Removing the Base Front Cover 1)
Turn the the microscope upside down, and then remove the bottom plate plate (#0211) (#0211) by extracting the screws (#0272 x 8).
Bottom plate
Fig 4
Screws (#0272x8)
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2)
Remove the base front cover (#A019) (#A019) by extracting the cross-recessed head tapping tapping tight screws (#0091x6). Use care not to damage the power LED unit (the flexible board) which is part of the switch board (#1107) (#1107) and attached to the base front f ront cover. cover.
3)
Extract the cross-recessed head tapping tapping tight tight screw (#0090) fastening the power LED unit.
Base front cover
Switch board
Fig 5
Tapping tight screws (#0091x6) (# 0091x6)
Fig 6
Tapping tight screw (#0090) (#00 90)
2-5. Removing the Right Side Cover 1)
Extract the sems screws screws (#0081x4), and then remove remove the single-axis fine/coarse fine/coarse focus drive by supporting the elevation block (#U002) by hand. Without supporting the elevation block, it may drop, causing damage to the rack (#0407) or spur gear (#0414).
Single-axis fine/coarse focus drive
0408（X） 0417 0414 0417
Elevation block
0417 0407
0413 0417 0418 0412 0418
0418
0411
0418
0418
0410 418
0409(X)
Fig 8 Sems screws (#0081x4)
0452×5
9
Fig 7
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2)
Remove the the right side cover cover (#0246) by extracting extracting the sems bolts (#0262x3). Do this by peeling off the double-faced tape bonding together the bottom of the right side cover and the main body, for example using a razor. Also, use care not to damage the capture switch unit (the flexible board) which is part of the switch board (#1107) and attached attached to the right side cover.
3)
Extract the cross-recessed head tapping tapping tight tight screws (#0271x2) fastening fastening the capture switch switch unit. Right side cover
Switch board
Sems bolts (#0262x3)
2-6.
Fig 9
Tapping tight screws (#0271x2)
Fig 10
Removing the Left Cover
1)
Remove the the brightness brightness control dial (#0212) by loosening the setscrew setscrew (#0270).
2)
Remove the the left side cover cover (#0245) by extracting extracting the sems bolts (#0262x3). Do this by peeling off the double-faced tape bonding together the bottom of the left side cover and the main body, for example using a razor. Also, use care not to damage the on/off switch unit (the flexible board) which is part of the switch board (#1107) and attached to the left side cover.
3)
Extract the cross-recessed head tapping tapping tight screws (#0271x2) fastening the on/off on/off switch unit. Left side cover
Switch board
Setscrew (#0270) Brightness control dial
Sems bolts (#0262x3)
Fig 11
Tapping tight screws (#0271x2)
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Fig 12
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3. Replacing Electrical Parts For reassembling, reverse the disassembling procedure.
3-1. Replacing the Power Supply Assembly 1)
Before starting this procedure, make sure that the procedure procedure down to 2-1.1) has been finished.
2)
Remove connector connector J1, J3, J6, and J7, and then remove the red and white crimp terminals from terminal boards J4 and J5.
3)
Extract the sems bolts (#0082 x 4).
J4, J5
J3, J6, J7
J1 Power supply assembly
4)
Sems bolts (#0082x4)
Fig 13
Fig 14
Remove the power supply supply assembly assembly (#1101) (#1101) by extracting the screws (#0087 x 4).
Fig 15
Screws (#0087x4)
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3-2. Replacing the Switch Board 1)
Before starting this procedure, make sure that the procedure procedure down to 2-6.3) has been finished.
2)
Remove the switch board board (#1107) (#1107) by extracting the cross-recessed head head screws with with washer (#0267 x 3).
3)
Remove connectors J1, J2, and J3 J3 from the switch board.
J1
J3
Switch board
Fig 16
Washer (#0267x3)
J2
Switch board
Fig 17
3-3. Replacing the Brightness Control Dial (#1109) 1)
Before starting this procedure, make sure that the procedure procedure down to 3-2.3) has been finished.
2)
Remove the brightness control dial (#1109) (#1109) by removing its nut and washer. washer.
Nut
Washer
Brightness control dial
Fig 18
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3-4. Replacing the Power Switch 1)
Before starting this procedure, make sure that the procedure procedure down to 2-2.1) has been finished.
2)
Remove the power power switch (#11 (#1112) and switch switch mount (#0224) by extracting the sems bolt (#0262).
Power switch
Fig 19
Sems bolt (#262)
3)
Pull the crimp terminals terminals (white (white x 2, black x 2) from the power switch.
4)
Press the white white side lugs lugs of the power switch switch using a screwdriver or the like and remove the power switch (#1112) from the switch mount (#0224).
Fig 20
Switch mount
13
Fig 21
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4. Replacing Parts and the Mechanical Unit 4-1. Replacing the Single-Axis Fine/Coarse Focus Drive 1)
Before starting this procedure, make sure that the procedure procedure down to 2-4.2) has been finished.
After removing the single-axis fine/coarse focus drive, install a new knob by pressing it on the reference planes and fastening with sems bolts (#0081 x 4).
Press on the reference planes
Fig 22
4-2. Replacing the Elevation Block 1)
Before starting this procedure, make sure that the procedure procedure down to 2-4.2) has been finished.
2)
Remove the elevation block block (#U002) by extracting the sems bolts (#0088 (#0088 x 6).
Sems bolts (#0088x2)
Sems bolts (#0088x4)
Fig 23
Fig 24
Install the elevation block by pressing it down to the left. Stage tilt adjustment is required. (See Section 7, "Adjusting the Stage Tilt.") Tilt.") 14
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5. Disassembling/Reassembling the Gear Train 1)
Before starting this procedure, make sure that the procedure procedure down to 2-4.3) has been finished.
2)
Access the sems bolts (#264 x 2) fastening the field stop stop unit. Extract Extract the left left sems bolt and slightly loosen the right sems bolt to the condition as shown in Fig. 26.
3)
Extract the hexagon bolts (#0084 x 3) and remove remove the the gear train unit. Gear train unit
Sems bolts (#264x2)
4)
Fig 25
Hexagon bolts (#0084x3)
Fig26
Extract the sems sems bolts (#0452x5) and remove the bearing plate (#0409). (#0409). You You are now ready to remove the gears and bearings.
Fig 27
Replace any gears broken, or any bearings that are stiff or uneven in motion.
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Insert φ3.00 pins into the positioning holes of the bearing plate (#0409). Secure the bearing plate using sems bolts (#0452 x 5), and then extract the φ3.00 pins.
Fig 28
φ3.00 pins
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6. Disassembling/Reassembling the Single-Axis Fie/Coarse Focus Drive Some screws and bolts are locked using adhesive. Loosen these screws/bolts after dissolving the adhesive using alcohol. For reassembling, reverse the disassembling procedure. Thus, this section only describes main points for reassembling. 1) Before starting this procedure, make sure sure that the procedure procedure down to 2-5.1) 2-5.1) has been
finished. 2) Remove the thin fine focus f ocus knob (#A003) and the fine focus f ocus knob (#A004).
The fine focus knobs consist of a thin type and normal type as standard features. These two can be changed with each other in a single operation using the magnet. Coarse focus knob torque adjustment side
Refocus side
Refocus ring
Torque adjustment ring Fine focus knob
Thin fine focus knob
Fig 29
Fig 30
3) Remove the coarse focus knob (#0301) on the refocus side by extracting the sems bolts
(#0354 x 3). Coarse focus knob
Fig 31
Sems bolts(#0354x3)
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4) Remove the assembly of a fine focus mounting ring (#0324) and a knob holder (#0311) by
extracting the setscrews (#0352 x 2). Also remove the polyacetal washers (#0306 x 2) and disc spring (#0307). Polyacetal washers (#0306x2), disc spring (#0307) Knob holder
Fig 32
Setscrews (#0352x2)
5) Remove the assembly of a transmission holder (#0325) and a f ine motion axis (#0212) from
the coarse focus knob torque adjustment side of the single-axis fine/coarse focus drive.
Transmission holder , fine motion axis
Fig 33
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6) Remove the setscrews (#353 x 2) from the tool holes in the single-axis frame (#323).
When loosening the two setscrews, rotate the coarse focus knob and find the locations of the setscrews.
Fig 34
Setscrews (#353x2)
7) Hold the spring peg (#334) firmly and rotate the coarse focus knob on the other end
counterclockwise, until the spring peg is removed. When the spring peg is removed, the torsion coil spring (#335) comes off.
Coarse focus knob
Spring peg
Spring peg
Fig 5
Torsion coil spring
19
Fig 36
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Tighten the refocus ring clockwise to secure the stopper ring. Apply the hook of the torsion coil spring to the the pin of the spring peg. Apply the other hook of the torsion coil spring to the stopper stopper link pin on the stopper ring. Rotate the spring peg counterclockwise approx. 1.5 turns. During this rotation, the lug of the spring peg comes in contact with the stopper link pin on the stopper ring. Lift the spring peg slightly to allow the lug to pass by the stopper link pin. Press the spring peg into the pinion housing, and then rotate the coarse focus knob on the other end clockwise so that the pinion housing is screwed tightly into the spring peg.
Refocus ring
Torsion coil spring
Stopper link pin on the stopper ring
Pin of the spring peg
Fig 37
1)
Tighten the refocus ring by rotating it clockwise.
2)
Rotate the coarse focus knob until the elevation block reaches the limit.
3)
Loosen the refocus ring (by rotating it counterclockwise) and confirm that the sound of the spring peg pin and the stopper link ring pi n hitting each other is heard from f rom within the refocus mechanism.
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8)
Remove the button bolt (#0351), and then remove the torque adjustment ring (#0328) by rotating it counterclockwise. counterclockwise.
9)
Remove the wave washer (#332), stopper ring (#331), wave washer (#332), washer (#330), and wave washer (#332) from the t he pinion housing.
Refocus ring
Button bolt (#0351)
Fig 39
Fig 38
Assemble the torque adjustment ring by rotating it clockwise clockwise until it reaches the limit. Install the button bolt in one of the three bolt holes. This hole should be located at a position between 3:30 and 5:30 as viewed with reference to the mounting surface (shown with the white dashed line) of the single-axis fine/coarse focus drive. By design, this poison corresponds to the maximum travel of the refocus knob. In Fig. 38, the red line indicates a position of approx. 4:00.
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10) Pull the coarse focus knob (#301) from the single-axis fine/coarse focus drive. When removed, the coarse focus knob has the gear case (#317) and coarse focus axis (#310) attached to it. 11) Remove the torque adjustment friction plate (#318), wave washer (#315), and torque adjustment ring (#0326). Remove the ball bearings (#338 x 2) and pinion shaft (#309) from the single-axis frame (#0323).
Torque adjustment ring
Single-axis frame Coarse focus knob
Fig 40
Fig 41
The torque adjustment friction plate (#318) has two projections on the inner surface as shown in Fig. 42. The rounded projection (not the flat one) must be faced toward the torque adjustment ring (#0326) when the plate plat e is assembled.
Fig 42
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12) Remove the gear mounting disc (#0308) by extracting t he hexagon bolts (#355 x 2). 13) Remove the compound spur gear (#0321), compound spur gear (#0322), and spur gear (#0319). Compound spur gear (#0321)
Spur gear
(#0319)
Gear mounting disc
Hexagon bolts (#355x2)
Compound spur gear (#0322)
Fig 43
Fig 44
14) Remove the coarse focus knob (#0301) by extracting the sems bolts (#0354 x 3). 15) If the coarse focus axis (#310) needs to be replaced, secure it (using a vice, for example) and unscrew the gear case (#0317) counterclockwise.
Coarse focus knob
Sems bolts (#0354x3)
Coarse focus axis
Fig 45
Gear case
23
Fig 46
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7. Disassembling/Reassembling the Elevation Block For reassembling, reverse the disassembling procedure. Thus, this section only describes main points for reassembling. 1)
Before starting this procedure, make sure that the procedure down to 2-3.1) has been finished.
2)
Remove the rack (#0407) from the movable block (#402) by extracting the sems bolts (#0455 x 3).
Movable block
Rack
Fig 47
Sems bolts (#0455x3)
Install the rack by pressing its reference plane (shown with blue dashed line) onto the reference plane (show with red dashed line) of the movable block (#402).
Fig 48
Fig 49 24
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3)
Remove the light shielding plate (#419) by extracting the sems bolts (#0451 x 2). Light shielding plate
Fig 50
Sems bolts (#0451x2)
4)
Remove the reference block (#0415) by loosening the setscrews (#0469x2) and extracting the hexagon bolts (#468x2).
Press the reference block onto the reference plane of the movable block (#0402) and secure with the hexagon bolts (#468 x 2). Tighten the setscrews (#0469x2) using a moderate torque since they are intended for locking.
Setscrews (#0469x2)
Hexagon bolts (#468x2)
Reference block
Fig 51
Fig 52
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5)
Remove the stroke limiting sems bolt (#0455) from the main body of the elevation block (#401).
Fig 53
Sems bolts (#0455)
6)
Loosen the setscrews (#0465x3) in the main body of the elevation block (#401). Remove the sems bolts (#0456 x 3) and washers (#0457 x 3) from the main body of the elevation block.
Washers (#0457x3)
Setscrews (#0465x3)
Fig 54
Sems bolts (#0456x3)
26
Fig 55
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7)
Remove the movable block (#0402), roller race (#0403), retainer (#405), and cylindrical rollers (#0406). To prevent the cylindrical rollers from coming apart, we recommend holding the movable block and roller race and turning them toward you, as shown in Fig. 57. Main body of elevation block
Movable block
Roller race (#403)
Fig 56
Fig 57
When installing the cylindrical rollers in the roller race, place the cylindrical rollers in alternate directions as shown in Fig. 58. Move the roller race using the setscrews (#0465x3) to adjust to ensure that the movable block (#0402) moves smoothly without stiffness and unevenness. Push the movable block (#0402) using a spring balance and adjust so that the starting resistance is between 120 and 170 grams when the movable block begins to move. When the sems bolts (#0456 x 3) fastening the roller race are tightened, the smooth motion of the roller race may be lost. Therefore, repeat the above adjustment.
Cylindrical rollers
8)
Retainer
Spring balance
Fig 58
Fig 59
For instructions on installing the elevation block, see section 4-2, "Replacing the Elevation Block," 27
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8. Adjusting the Stage Tilt The following procedure uses the NI-SS sub-stage and NI-SAM standard arm. To install the sub-stage, place its square groove on the reference guide bar of the elevation block in the ECLIPSE main body. Shift the sub-stage sub-stage to the left into contact with the reference plane of the elevation block, and then secure with the three retaining screws with an anti-fallout feature. 1)
Place a 1-minute reading reading collimator (J28005) on the eyepiece tube mount.
2)
Place a 90φ parallel mirror (J25552) (J25552) on the the sub-stage. 1-minute reading collimator
Parallel mirror
3)
Fig 60
Set the collimator so that its X-direction scale is parallel with the X-axis moving direction of the stage. X-axis direction stage moving
X-direction
Fig 1
28
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4)
Measure the displacement of the scale image image center (0') relative to the collimator center center (0). Check that the displacement is within specification. Specification: Specification: Within ±1 minute each in X and Y directions Y-direction Scale image center (0')
X-direction
Collimator center (0)
Fig 62
If the displacement is out of specification, adjust it by following steps 5) and later. Always start the adjustment in the Y direction. If the Y-direction displacement is out of specification: 5)
Identify which direction the scale image is displaced.
6)
Remove the 1-minute reading collimator, collimator, parallel mirror, and sub-stage. sub-stage.
7)
Remove the elevation block from the microscope (see Section 3-2, "Replacing the Elevation Block").
8)
If the displacement is in direction (a): Paste brass foils or the like on the parts of the elevation block shown in the figure below,
·
using adhesive (#350). If the displacement is in direction (b): Paste brass foils or the like on the parts of the elevation block shown in the figure f igure below, below,
·
using adhesive (#350).
Displacement in direction (a)
If the displacement is in direction (a)
Displacement in direction (b)
Fig 63
If the displacement is in direction (b)
29
Fig 64
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9)
Install the elevation block, and then attach the stage, parallel mirror, and collimator. collimator.
10) Check that the Y-direction Y-direction displacement of the scale image is within specification. If the displacement is out of specification, readjust it through steps 5) to 9). After the displacement is adjusted within specification, check that the X-direction displacement is within specification. If the X-direction displacement is out of specification: 11) Loosen the sems bolts (#0088x6) that fasten the elevator block on the microscope. 12) Tilt the elevation block in the arrowed directions (Fig. 66) to reduce the X-direction displacement within specification.
Sems bolts (#0088x2)
Fig 65
13) Tighten the sems sems bolts (#0088 x 6). 14) Check that the X-direction displacement is within specification. If the displacement is out of specification, readjust it through steps 11) to 13).
30
Sems bolts (#0088x4)
Fig 66
