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ADJUSTMENT | 1. Torque of Coane Focus Knob |
2. Smooth | of the Left Fine Focus Knob |
ADJUSTMENT
1.Torque of Coarse Focus Knob
1)Referring to Reassembly Procedure (P. 32), insert wave washer e@ and adjusting washer e@ in sequence, as shown in Fig. 42, into coarse focus shaft (@.
After screwing coarse focus knob @ and bush
@into @, make adjustment of the torque to
400g - SOOg, by means of washers @ , @ .
iº.
01121
2) When a correct torque is obtained, disassemble coarse | Fig. 42 |
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focus knob (® and bush e@.
Applying adhesive No. 410 to the thread, tlx @ and @ in position. Be careful not to let the adhesive enter the internal surface of @ .
(
2.Smooth Turning of the Laft Fine Focus Knob
1)Referring to Reassembly Procedure (P. 32), attach G7920 onto both sides of washer @, and insert the washer into fine focus shaft e@. Then, insert left fme focus knob @ into e@ (beforehand, place set screw ~ into
@), and set it with @ in such a position
__,
that the thrust slack of the knob is not felt by touching with the fmger.
li
2)Make sure of seizurc between coarse focus knobs C@1) and @ , and their smooth tuming.
Fig. 43
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