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Figure 41 – Place rollers and rod onto bottom guide rails

Place Focus Block Assembly onto Cylindrical Rollers

Carefully place the focus block assembly, with the guide

block held loosely in place on the back side of the focus

block, onto the cylindrical rollers on the guide rails in

the bottom groove of the arm casting (see Figure 42).

Figure 42 – Place focus block assembly onto rollers

Withdraw about half the length of the guide block from

behind the focus block, making sure to not disturb the

positioning of the two brass shims stuck onto the back

side of the focus block or the guide rails seated in the

side groove of the guide block (see Figure 43).

Figure 43 – Withdraw the guide block about halfway

Complete Teardown, Cleaning, and Reassembly of the Olympus BH‐2 Sliding Focus Block

Place Cylindrical Rollers onto the Upper Guide Rails

IF GREASE IS TO BE USED IN THE SLIDING FOCUS BLOCK (RECOMMENDED):

Lightly coat four of the cylindrical rollers and the

remaining plastic spacer rod with a suitable grease

(item 5 or 7 of

cylindrical rollers onto the greased guide rails in the

groove on top of the guide block, where the guide block

is protruding from the bottom of the arm casting (see

Figure 44, shown without grease for clarity). Orient the

rollers as shown in the photo inset.

IF GREASE IS NOT TO BE USED IN THE SLIDING FOCUS BLOCK:

Place four of the cylindrical rollers onto the guide rails

in the groove on top of the guide block, where the guide

block is protruding from the bottom of the arm casting

(see

Figure

44). Orient the rollers as shown in the

photo inset.

Figure 44 – Place four rollers on the upper guide rails

Use the remaining plastic spacer rod to carefully push

the four cylindrical rollers into the channel formed by

the four guide rails (two in the focus block and two in

the arm casting), making sure that the rollers do not

come out of position on the guide rails as they are

pushed into the channel (see Figure 45).

Figure 45 – Push cylindrical rollers into guide‐rail channel

Appendix

2). Place these four greased

Revision 2

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