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Olympus BHSU manual available for free PDF download: Complete Teardown, Cleaning, And Reassembly
Olympus BHSU Complete Teardown, Cleaning, And Reassembly (19 pages)
Reverse Nosepiece
Brand:
Olympus
| Category:
Microscope
| Size: 3.16 MB
Table of Contents
Table of Contents
2
Introduction
5
Scope of this Document
5
Tools Needed
5
A few Words about JIS Screws
5
Supplies Needed
5
Recommended Lubricant Types
5
Recommended Solvents
5
Figure 1 - a Typical JIS Screw
5
Safety Considerations with Solvents
6
Solvent Compatibility with Parts and Finishes
6
Before Starting with the Overhaul
6
Remove the Objectives from the Nosepiece
6
Label Parts for Identification and Reassembly
6
The BHSU/BHTU Reverse Nosepiece Assembly
6
Servicing the Reverse Nosepiece Assembly
6
Remove the Reverse Nosepiece Assembly
6
Figure 2 - the BHSU/BHTU Reverse Nosepiece Assembly
6
Figure 3 - Screws Securing Reverse Nosepiece Assembly
6
Remove Corrective Optics and Wedge Mount
7
Figure 4 - Remove Screws Securing Nosepiece Assembly
7
Figure 5 - Screws Securing the Wedge Mount
7
Figure 6 - Remove Screws Securing the Wedge Mount
7
Figure 7 - Loosen the Corrective Optics Assembly
7
Figure 8 - Remove the Corrective-Optics Assembly
7
Remove the Cover from the Turret Assembly
8
Remove Lock Ring for the Pivot-Adjustment Screw
8
Figure 9 - Remove the Wedge Mount
8
Figure 10 - Remove Screws Securing the Cover in Place
8
Figure 11 - Remove the Protective Cover
8
Figure 12 - the Turret Assembly (Without Cover)
8
Figure 13 - Screwdriver Modified to Remove Slotted Lock Ring
8
Remove the Pivot-Adjustment Screw
9
Figure 14 - Insert Screwdriver into Bores to Lock the Turret
9
Figure 15 - Loosen the Slotted Lock Ring
9
Figure 16 - Remove the Slotted Lock Ring
9
Figure 17 - Remove the Pivot-Adjustment Screw
9
Remove the Center Pivot Bearing Ball
10
Remove the Mechanical Detent Stop
10
Remove the Black Knurled-Rubber Grip Ring
10
Remove the Threaded Retaining Ring
10
Figure 18 - Remove the Center-Pivot Bearing Ball
10
Figure 19 - Remove the Screws Securing the Detent Stop
10
Figure 20 - Remove the Mechanical Detent Stop
10
Figure 21 - Remove the Knurled-Rubber Grip Ring
10
Figure 22 - Components of the Turret Assembly
10
Remove the Perimeter Bearing Balls
11
Remove the Stationary Base from the Turret
11
Thoroughly Clean the Various Components
11
Reinstall Stationary Base into the Revolving Turret
11
Figure 23 - Loosen the Threaded Retaining Ring
11
Figure 24 - Remove the Threaded Retaining Ring
11
Figure 25 - Remove the Perimeter Bearing Balls
11
Figure 26 - Lift and Remove the Stationary Base
11
Apply a Ring of Grease for the Perimeter Balls
12
Reinstall the Perimeter Bearing Balls
12
Reinstall the Threaded Retaining Ring
12
Figure 27 - Reinstall Stationary Base into Revolving Turret
12
Figure 28 - Apply Ring of Fresh Grease for the Bearing Balls
12
Figure 29 - Place the Bearing Balls into the Ring of Grease
12
Figure 30 - Engage the Threaded Retaining Ring
12
Figure 31 - Tighten the Threaded Retaining Ring
12
Apply Grease to the Center-Pivot Bore
13
Reinstall the Center-Pivot Bearing Ball
13
Apply Grease to Top of the Center-Pivot Ball
13
Reinstall the Pivot-Adjustment Screw
13
Figure 32 - Remove any Grease Squeeze-Out
13
Figure 33 - Apply Grease to the Center-Pivot Bore
13
Figure 34 - Place Bearing Ball into the Center-Pivot Bore
13
Figure 35 - Apply Grease to the Top of the Bearing Ball
13
Figure 36 - Reinstall the Pivot-Adjustment Screw
13
Reinstall the Slotted Lock Ring
14
Verify the Feel of the Revolving Nosepiece
14
Clean off any Visible Grease
14
Reinstall the Mechanical Detent Stop
14
Figure 37 - Reinstall the Slotted Lock Ring
14
Figure 38 - Tighten the Slotted Lock Ring
14
Figure 39 - Place the Mechanical Detent Stop in Position
14
Figure 40 - Secure the Detent Stop with Two Screws
14
Apply Grease to the Mechanical Detents
15
Reinstall the Protective Cover
15
Reinstall the Knurled-Rubber Grip Ring
15
Figure 41 - Apply Grease to the Five Detent Notches
15
Figure 42 - Place Cover in Position on the Turret Assembly
15
Figure 43 - Secure Protective Cover Using Three Screws
15
Figure 44 - Apply Black Silicone RTV to Revolving Turret
15
Reinstall the Wedge Mount and Corrective Optics
16
Figure 45 - Reinstall the Knurled-Rubber Grip Ring
16
Figure 46 - Remove any Silicone RTV Squeeze-Out
16
Figure 47 - Place the Wedge Mount in Position
16
Figure 48 - Reinstall the Corrective-Optics Assembly
16
Figure 49 - Reinstall Screws to Secure the Wedge Mount
16
Reinstall the Reverse Nosepiece Assembly
17
Figure 50 - Tighten the Corrective Optics Assembly
17
Figure 51 - Hold Reverse Nosepiece Assembly up to Arm
17
Figure 52 - Align Holes for the Mounting Screws
17
Figure 53 - Reinstall Three Screws to Secure It to the Arm
17
Ready for Service
17
Requirements for Periodic Maintenance
17
Problems with the Turret Assembly
17
How to Contact the Author
18
Original Olympus Documentation
18
Olympus Research Microscopes Series BH2 (BHS) Repair Manual
18
Olympus Research Microscope BH2 Repair Manual
18
Appendix 1 Sources for Replacement Parts, Tools, and Supplies Referenced in this Document
19
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