background image

 

Complete

 

Teardown,

 

Cleaning,

 

and

 

Reassembly

 

of

 

the

 

Olympus

 

BH

2

 

Sliding

 

Focus

 

Block

 

Revision

 

2

 

Page

 

5

 

of

 

23

 

Figure

 

47

 

 

Place

 

remaining

 

rollers

 

onto

 

upper

 

guide

 

rails

 

..................................................................................................

 

16

 

Figure

 

48

 

 

Push

 

guide

 

block

 

and

 

rollers

 

into

 

the

 

channel

 

...................................................................................................

 

16

 

Figure

 

49

 

 

Reinstall

 

screws

 

to

 

secure

 

the

 

guide

 

block

 

........................................................................................................

 

16

 

Figure

 

50

 

 

Adjust

 

for

 

free

 

motion

 

without

 

lateral

 

play

 

.......................................................................................................

 

17

 

Figure

 

51

 

 

Secure

 

the

 

guide

 

block

 

in

 

position

 

.....................................................................................................................

 

17

 

Figure

 

52

 

 

Test

 

the

 

sliding

 

focus

 

block

 

for

 

proper

 

motion

 

..................................................................................................

 

17

 

Figure

 

53

 

 

Reposition

 

trim

 

cover

 

onto

 

the

 

arm

 

casting

 

......................................................................................................

 

17

 

Figure

 

54

 

 

Reinstall

 

screws

 

to

 

secure

 

the

 

trim

 

cover

 

..........................................................................................................

 

17

 

Figure

 

55

 

 

Place

 

the

 

arm

 

flat

 

on

 

the

 

work

 

surface

 

..............................................................................................................

 

18

 

Figure

 

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

 

the

 

electrical

 

base

 

....................................................................................................

 

18

 

Figure

 

60

 

 

The

 

Olympus

 

BH2

 

(BHS)

 

repair

 

manual

 

.............................................................................................................

 

19

 

Figure

 

61

 

 

Correct

 

orientation

 

of

 

the

 

guide

 

rails

 

.................................................................................................................

 

20

 

Figure

 

62

 

 

Thoroughly

 

clean

 

the

 

guide

 

rails

 

........................................................................................................................

 

20

 

Figure

 

63

 

 

Thoroughly

 

clean

 

the

 

guide

 

block

 

......................................................................................................................

 

20

 

Figure

 

64

 

 

Apply

 

grease

 

to

 

both

 

ends

 

of

 

the

 

guide

 

block

 

...................................................................................................

 

21

 

Figure

 

65

 

 

Place

 

first

 

guide

 

rail

 

into

 

the

 

guide

 

block

 

...........................................................................................................

 

21

 

Figure

 

66

 

 

Set

 

the

 

first

 

guide

 

rail

 

into

 

the

 

grease

 

................................................................................................................

 

21

 

Figure

 

67

 

 

Place

 

second

 

guide

 

rail

 

into

 

the

 

guide

 

block

 

......................................................................................................

 

21

 

Figure

 

68

 

 

Set

 

the

 

second

 

guide

 

rail

 

into

 

the

 

grease

 

...........................................................................................................

 

21

 

Figure

 

69

 

 

Scrub

 

any

 

visible

 

grease

 

from

 

the

 

guide

 

rails

 

.....................................................................................................

 

21

 

Figure

 

70

 

 

Prepared

 

guide

 

block

 

ready

 

for

 

reinstallation

 

...................................................................................................

 

22

 

 

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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