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Olympus BH2-CH Substage Assembly

Olympus BH2-CH Substage Assembly

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Complete Teardown, Cleaning/Lubrication,
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Revision
Description of Changes
1
Initial Release
Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly
and Reassembly of the Olympus
BH2-CH Substage Assembly
Copyright © 2017 Carl Hunsinger
Revision 1
Revision History
Date
August 13, 2017
Revision 1
Page 1 of 26

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Summary of Contents for Olympus BH2-CH Substage

  • Page 1 Revision History Revision Description of Changes Date Initial Release August 13, 2017 Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly Revision 1 Page 1 of 26...

  • Page 2: Table Of Contents

    How to Contact the Author _________________________________________________________________ 25 Appendix 1 _____________________________________________________________________________ 26 Parts, Supplies, and Tools ________________________________________________________________________ 26 Sources for Parts, Supplies, and Tools _______________________________________________________________ 26 Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly Revision 1 Page 2 of 26...
  • Page 3 Figure 50 – Reinstall slip plates onto the slip bosses ......................15 Figure 51 – Reinstall screws to secure the slip plates ......................15 Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly Revision 1 Page 3 of 26...
  • Page 4 Figure 102 – Grease flat bearing surfaces of dovetail slide ....................24 Figure 103 – Grease beveled surfaces of dovetail slide ......................24 Figure 104 – Engage condenser slide with dovetail blocks ....................24 Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly Revision 1 Page 4 of 26...
  • Page 5 Figure 107 – The condenser set to maximum height ......................25 Figure 108 – The set screw for the condenser-height stop ....................25 Figure 109 – Olympus BH2 (BHS) repair manual ........................25 Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly Revision 1 Page 5 of 26...

  • Page 6: Introduction

    Many solvents will damage the finish of painted drivers if too much torque is applied. JIS screws can surfaces (isopropyl alcohol or 409 Cleaner may be safely Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly Revision 1 Page 6 of 26...

  • Page 7: Common Problems With The Bh2-Ch Substage

    (see Figure Parts for the BH2-CH, including the condenser-height rack, are no longer available from Olympus. Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly Revision 1 Page 7 of 26...

  • Page 8: Remove The Locking And Centering Thumbscrews

    Figure 6 – Remove the centering thumbscrews Remove the Slip Plates Figure 9 – Remove the three slip plates The condenser-slide assembly is shown in Figure Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly Revision 1 Page 8 of 26...

  • Page 9: Remove The Centering Yoke From The Support Yoke

    M2.6x6 JIS screws and washers securing the condenser- height rack to the dovetail slide (see Figure 16). Figure 12 – Depress the centering plunger Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly Revision 1 Page 9 of 26...

  • Page 10: Disassemble The Condenser-Height Stop

    Remove the stop-pin spring from the bore in the height rack or from the face of the dovetail slide, condenser slide (see Figure 22). whichever is applicable (see Figure 19). Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly Revision 1 Page 10 of 26...

  • Page 11: Reassemble The Condenser-Height Stop

    M3x4 set screw to secure the stop pin in position (see condenser slide. If there is noticeable friction or any Figure 28). binding present, use a .1990” (i.e., 5.05mm) twist drill Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly Revision 1 Page 11 of 26...

  • Page 12: Disassemble The Centering Plunger

    (see Figure 31). Figure 33 – Press centering plunger out the back of bore Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly Revision 1 Page 12 of 26...

  • Page 13: Reassemble The Centering Plunger

    Wipe off any grease pushed out slide (see Figure 37). by the plunger. Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly Revision 1 Page 13 of 26...

  • Page 14: Reinstall The Condenser-Height Rack

    M2.6x6 JIS screws and two washers to hold the centering yoke (see Figure 46). rack in position on the dovetail slide (see Figure 43). Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly Revision 1 Page 14 of 26...

  • Page 15: Reinstall The Slip Plates

    Apply a thin layer of grease to the three slip bosses Figure 51 – Reinstall screws to secure the slip plates machined into the support yoke (see Figure 49). Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly Revision 1 Page 15 of 26...

  • Page 16: Reinstall The Locking And Centering Thumbscrews

    (see Figure 58). Figure 54 – Lightly grease the centering thumbscrews Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly Revision 1 Page 16 of 26...

  • Page 17: Remove The Dovetail Blocks

    M2x8 alignment pins. Remove the left- holding the right-hand dovetail block onto the main hand dovetail block (with the two alignment pins) by Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly Revision 1 Page 17 of 26...

  • Page 18: Remove The Condenser-Height Knob

    Use a suitable slotted screwdriver to loosen the Remove condenser-height knob from condenser-height tension screw (see Figure 70). condenser-height shaft (see Figure 67). Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly Revision 1 Page 18 of 26...

  • Page 19: Figure 70 - Loosen The Tension Screw In Housing

    (see Figure 76). Figure 72 – Bearing ball on the end of the tension screw Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly Revision 1 Page 19 of 26...

  • Page 20: Reinstall The Condenser-Height Shaft

    Remove the small nylon washer from the recess in the Figure 81 – Clean grease from bore in the main housing inner ledge of the main housing (see Figure 79). Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly Revision 1 Page 20 of 26...

  • Page 21: Figure 82 - Place Washer In Recess In The Main Housing

    Insert the greased pinion shaft into the bore on the Figure 87 – Apply grease to the end of the tension screw right-hand side of the main housing (see Figure 85). Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly Revision 1 Page 21 of 26...

  • Page 22: Reinstall The Condenser-Height Knob

    Use a suitable slotted screwdriver to snug the tension screw just a bit, to hold the 3/32” bearing ball in Figure 93 – Reinstall knob onto condenser-height shaft Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly Revision 1 Page 22 of 26...

  • Page 23: Adjust The Tension Of The Condenser-Height Shaft

    (see Figure 96). Figure 96 – Tighten lock nut to secure tension screw Figure 99 – Place left-hand dovetail block onto housing Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly Revision 1 Page 23 of 26...

  • Page 24: Reinstall The Condenser-Slide Assembly

    (see Figure 106). Figure 102 – Grease flat bearing surfaces of dovetail slide Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly Revision 1 Page 24 of 26...

  • Page 25: Adjust The Condenser-Height Stop

    BH2-CH substage assembly, and should be readjusted if general) to the author, at the following email address: necessary to prevent the condenser from contacting the carlh6902@gmail.com Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly Revision 1 Page 25 of 26...

  • Page 26: Parts, Supplies, And Tools

    Table Table 2, and Table Vendor Telephone Toll Free email Amazon www.amazon.com www.lubekits.com TAI Lubricants, Inc. 1-302-326-0200 www.TAI-Lubricants.com Table 4 – Vendor Listing Complete Teardown, Cleaning/Lubrication, and Reassembly of the Olympus BH2-CH Substage Assembly Revision 1 Page 26 of 26...

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