Olympus BH-2 - Match Selector Dial with Low-Power Objective; Replace Eyepiece with Phase-Centering Telescope; Focus the Phase-Centering Telescope

Teardown, Cleaning, and Reassembly of the Miscellaneous Parts of the Olympus BH-2 Microscope Frames Revision 1 Page 4 of 45
Figure 31 – Carefully reinstall e-clip into plunger groove .............................................................................................. 14
Figure 32 – Remove mounting disk from dovetail recess .............................................................................................. 14
Figure 33 – Reinstall end-screw into knurled outer barrel ............................................................................................ 14
Figure 34 – Grip the knurling and tighten the end-screw .............................................................................................. 15
Figure 35 – Locking thumbscrew is ready for use .......................................................................................................... 15
Figure 36 – Protect the exposed optics with tissue ....................................................................................................... 15
Figure 37 – Protect the exposed optics with cardboard ................................................................................................ 15
Figure 38 – Remove e-clip from the end of thumbscrew .............................................................................................. 15
Figure 39 – Unscrew and remove the locking thumbscrew .......................................................................................... 16
Figure 40 – Clean the threads of the locking thumbscrew ............................................................................................ 16
Figure 41 – Clean the threads of the tapped hole ......................................................................................................... 16
Figure 42 – Apply grease to threads of the thumbscrew............................................................................................... 16
Figure 43 – Screw the thumbscrew into the tapped hole ............................................................................................. 16
Figure 44 – The ring groove for the retaining e-clip ...................................................................................................... 16
Figure 45 – Carefully reinstall the e-clip into ring groove .............................................................................................. 17
Figure 46 – Remove protection for the exposed optics ................................................................................................. 17
Figure 47 – Refurbished thumbscrew is ready for use .................................................................................................. 17
Figure 48 – Nosepiece slide mount (old style) ............................................................................................................... 17
Figure 49 – Nosepiece slide mount (new style) ............................................................................................................. 17
Figure 50 – Remove the nosepiece locking thumbscrew .............................................................................................. 17
Figure 51 – Nosepiece locking thumbscrews ................................................................................................................. 18
Figure 52 – Remove screws securing the slide mount ................................................................................................... 18
Figure 53 – Remove the slide mount from the pillar arm.............................................................................................. 18
Figure 54 – Clean tapped hole for the locking thumbscrew .......................................................................................... 18
Figure 55 – Clean threads of locking thumbscrew (old style) ........................................................................................ 18
Figure 56 – Thoroughly clean slide-mount base (old style) ........................................................................................... 19
Figure 57 – Slide-mount parts ready for use (old style) ................................................................................................. 19
Figure 58 – Remove the locking-block stop screw ......................................................................................................... 19
Figure 59 – Remove the locking-block pivot screw ....................................................................................................... 19
Figure 60 – Separate locking block from slide-mount base ........................................................................................... 19
Figure 61 – Thoroughly clean slide-mount base (new style) ......................................................................................... 19
Figure 62 – Clean the nosepiece locking block .............................................................................................................. 20
Figure 63 – Clean threads of the locking thumbscrew .................................................................................................. 20
Figure 64 – Position locking block under slide-mount base .......................................................................................... 20
Figure 65 – Reinstall the locking-block pivot screw ....................................................................................................... 20
Figure 66 – Reinstall the locking-block stop screw ........................................................................................................ 20
Figure 67 – Slide-mount parts ready for use (new style) ............................................................................................... 20
Figure 68 – Place the nosepiece slide mount into position ........................................................................................... 21
Figure 69 – Align drilled holes with tapped holes .......................................................................................................... 21
Figure 70 – Secure nosepiece slide mount with screws ................................................................................................ 21
Figure 71 – Lightly grease the thumbscrew threads ...................................................................................................... 21
Figure 72 – Reinstall the nosepiece locking thumbscrew .............................................................................................. 21
Figure 73 – Newly serviced slide mount ready for use .................................................................................................. 21
Figure 74 – Field-diaphragm assembly (old style) ......................................................................................................... 22
Figure 75 – Field-diaphragm assembly (new style) ........................................................................................................ 22
Figure 76 – Remove screws securing the field diaphragm ............................................................................................ 22
Figure 77 – Remove the field diaphragm assembly ....................................................................................................... 22
Figure 78 – Components of field diaphragm (old style) ................................................................................................ 22
Figure 79 – Remove the slotted diaphragm stop pin..................................................................................................... 23
Figure 80 – Remove two screws securing the gear collar .............................................................................................. 23
Figure 81 – Lift and remove the plastic gear collar ........................................................................................................ 23
Figure 82 – Remove screws securing brass plate to stator ............................................................................................ 23
Figure 83 – Lift and remove the brass retaining plate ................................................................................................... 23