background image

 

Complete

 

Teardown,

 

Cleaning,

 

and

 

Reassembly

 

of

 

the

 

Olympus

 

BH

2

 

Sliding

 

Focus

 

Block

 

Revision

 

2

 

Page

 

23

 

of

 

23

 

Appendix

 

2

 

 

Sources

 

for

 

Replacement

 

Tools

 

and

 

Supplies

 

Referenced

 

In

 

this

 

Document

 

Table

 

1

 

and

 

Table

 

2

 

list

 

specific

 

information

 

for

 

the

 

various

 

tools,

 

and

 

supplies

 

discussed

 

in

 

this

 

document.

  

These

 

tables

 

list

 

only

 

the

 

items

 

that

 

may

 

be

 

difficult

 

to

 

source

 

locally.

  

The

 

pricing

 

and

 

availability

 

listed

 

below

 

are

 

accurate

 

as

of

 

April

 

2018

 

but

 

are

 

subject

 

to

 

change

 

without

 

notice.

 

Item

 

Description

 

Manufacturer

Manufacturer

 

Model

 

/

 

#

 

Vendor

 

Vendor

 

#

 

Price

 

1

 

2.5mm

 

Allen

 

Driver,

 

T

Handle

 

Wiha

 

33437

 

Amazon

 

‐‐‐ 

$8.59

 

2

 

4.0mm

 

Allen

 

Driver,

 

T

Handle

 

Wiha

 

33408

 

Amazon

 

‐‐‐ 

$8.25

 

3

 

5.0mm

 

Allen

 

Driver,

 

T

Handle

 

Wiha

 

33411

 

Amazon

 

‐‐‐ 

$8.89

 

4

 

Screwdriver

 

set,

 

JIS,

 

4

 

pieces

 

Hozan

 

JIS

4

 

Amazon

 

‐‐‐ 

$17.20

 

Table

 

1

 

 

Tools

 

referenced

 

in

 

this

 

document

 

Item

 

Description

 

Manufacturer

Manufacturer

 

Model

 

/

 

#

 

Vendor

 

Vendor

 

#

 

Price

 

5

 

Molykote®

 

44

 

medium

 

grease,

 

28g

 

Dow

 

Corning

 

Molykote®

 

44

 

Amazon

 

‐‐‐ 

$6.95

 

6

 

Molykote®

 

111

 

heavy

 

grease,

 

1oz

 

Dow

 

Corning

 

Molykote®

 

111

 

Amazon

 

‐‐‐ 

$7.95

 

7

 

Mobil

 

electric

 

motor

 

grease,

 

13.7oz.

 

Mobil

 

Polyrex

TM

 

EM

 

Amazon

 

‐‐‐ 

$9.69

 

Table

 

2

 

 

Supplies

 

referenced

 

in

 

this

 

document

 

Table

 

3

 

lists

 

the

 

contact

 

information

 

for

 

the

 

vendors

 

referenced

 

in

 

Table

 

1

 

and

 

Table

 

2

.

 

Vendor

 

URL

 

Local

 

Phone

 

Toll

 

Free

 

Fax

 

email

 

Amazon

 

www.amazon.com

 

‐‐‐ 

‐‐‐ 

‐‐‐ 

‐‐‐ 

Table

 

3

 

 

Vendor

 

Listing

 

 

Содержание BH-2 BHS

Страница 1: ...document in its entirety for personal non commercial purposes only provided that the contents are not modified in any way including the copyright notices contained herein This document may be freely d...

Страница 2: ...Tensioning the Slide Mechanism 9 Remove the Focus Block Assembly from the Arm 9 Clean the Various Slide Components 10 Remove the Guide Rails from the Arm Casting 10 Remove and Reinstall the Bottom Du...

Страница 3: ...endix 1 How to Install Guide Rails in the Sliding Focus Block Mechanism 20 Placement of Guide Rails in the Side Grooves 20 Holding the Guide Rails in Place for Reassembly 20 Reinstalling Guide Rails i...

Страница 4: ...gure 22 Remove the bottom dust cover 11 Figure 23 Remove two guide rails from the focus block 11 Figure 24 Clean grease from side groove in focus block 12 Figure 25 Remove guide rails from the guide b...

Страница 5: ...e 56 Align holes in the base with holes in the arm 18 Figure 57 Attach the base onto the arm of the stand 18 Figure 58 Secure the arm onto the base of the stand 18 Figure 59 Reinstall screws to secure...

Страница 6: ...mechanism such as may be caused by dried grease puts high stresses on the plastic drive gears in the fine focus mechanism and these can be damaged if these stresses are too high Tools Needed The follo...

Страница 7: ...ng and grease may be omitted at the risk of more long term wear of the mechanical components Mobil PolyrexTM EM or Molykote 44 items 7 and 5 of Appendix 2 are recommended if lubrication is desired in...

Страница 8: ...electrical base Hold the electrical base in place and set the stand in its normal upright position on a flat surface being careful not to let the electrical base shift as you do so Lift the stand from...

Страница 9: ...r Remove the now loose trim cover from the arm casting see Figure 9 Figure 9 Remove the loose trim cover from the arm Loosen the Screws Tensioning the Slide Mechanism Use a 2 5mm Allen wrench or drive...

Страница 10: ...15 Figure 15 The components of the focus block assembly Remove the two brass shims from the guide block see Figure 16 Figure 16 Remove the brass shims from the focus block Use a 2 5mm Allen wrench or...

Страница 11: ...y be desirable to allow for a more thorough cleaning of any dust and debris accumulation in the area of the dust cover and the removal procedure is included in this document for the sake of completene...

Страница 12: ...m side groove in guide block Clean the Cylindrical Rollers Soak the cylindrical rollers in a suitable solvent e g acetone to remove all grease from the rollers see Figure 27 Figure 27 Soak the rollers...

Страница 13: ...rails see Figure 32 and Figure 33 Figure 31 Reinstall short guide rails into the focus block Figure 32 Scrub grease from guide rails and focus block Figure 33 Guide rails installed into the focus blo...

Страница 14: ...talled into its side groove into position on top of the two brass shims sitting on the focus block see Figure 39 Note the proper orientation of the beveled edge of the guide block see Figure 40 Figure...

Страница 15: ...Lightly coat four of the cylindrical rollers and the remaining plastic spacer rod with a suitable grease item 5 or 7 of Appendix 2 Place these four greased cylindrical rollers onto the greased guide...

Страница 16: ...ut of position on the guide rails as they are pushed into the channel Align the three holes in the focus block with the tapped holes in the guide block see Figure 48 Figure 48 Push guide block and rol...

Страница 17: ...full range of motion of the focus block see Figure 52 If necessary loosen the three M3x12 hex socket head cap screws securing the guide block to the focus block and the two M3x16 hex socket head cap...

Страница 18: ...Tighten the four M6x25 screws to secure the arm to the base see Figure 58 Figure 58 Secure the arm onto the base of the stand Reinstall the Electrical Base Carefully lower the assembled stand over th...

Страница 19: ...t Original Olympus Documentation An early version of the Olympus BH2 BHS repair manual see Figure 60 was referenced during the preparation of this document A scanned PDF version of this manual is avai...

Страница 20: ...ld end up on the exposed bearing surfaces of the guide rails which would interfere with the cylindrical rollers and prevent free motion of the sliding focus block Rather than utilizing adhesive the gu...

Страница 21: ...igure 67 and press the guide rail down firmly at the ends to thoroughly embed it into the grease see Figure 68 Figure 67 Place second guide rail into the guide block Figure 68 Set the second guide rai...

Страница 22: ...ugh removal of this heavy grease is important since any exposed grease can lead to an accumulation of dust and debris which might eventually foul the sliding focus block mechanism The Prepared Guide B...

Страница 23: ...1 2 5mm Allen Driver T Handle Wiha 33437 Amazon 8 59 2 4 0mm Allen Driver T Handle Wiha 33408 Amazon 8 25 3 5 0mm Allen Driver T Handle Wiha 33411 Amazon 8 89 4 Screwdriver set JIS 4 pieces Hozan JIS...

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