3-3 Parfocality adjustment for CKX41
Relay lens Ass’y
Washer insertion
AE092200(t = 0.7mm) standard
AE092100(t = 0.5mm)
AE092300(t = 1.0mm)
AB129900(t = 0.05mm)
AB130000(t = 0.1mm)
AB130200(t = 0.3mm)
Selection: washer
Relay lens ass’y consists of three parts, lens frame-1(A), lens frame-2(B) and lens frame(C).
Set the jigs to the microscope and check the parfocality. (refer to D-11.)
(A)
(B)
(C)
(D)
screwed to TR body ass’y
TR body Ass’y
(For the composition of lenses, refer to the Fig.1 and Fig.2.)
Fig. 1
Fig. 2
Adjustment procedure:
(3) Loosen the screw(*2) and turn the relay lens ass’y counterclockwise to remove it.
*2
*1
(2) Remove the screws(*1) and remove the part of relay lens ass’y and TR body ass’y.
Screw: AB3X14SA(*1), Washer: BNW3SA 4pcs. each
Screw: ACU3X6SA(*2) 1pc.
(4) Remove the lens frame-1 ass’y(A) and insert appropriate washer(selection).
(5) Assemble the parts in reverse order of disassembly.
(6) Set the jigs, focus on the reticle of KN0048 and the specimen in KN0041.
At this time, read the difference from the index on the helicoid scale.
Standard: +/- 0.3mm (without 3 graduations)
*For adjustment amount,
refer to next page.
(A)
Adjustment part
(1) Remove the stage, and take off the covers. (refer to the disassembly on C-3.)
CKX31/CKX41
D. REPAIR PROCEDURE
Scale
For setting the jigs,
refer to D-11.
D-12
2
