William Optics F3.0-DDG Owner's manual

Brand: William Optics

Model: F3.0-DDG

Type: Owner's manual

※

Focuser Loading Capacity (3Kg)

EEE

Focus Lock

Hex Screw (M5)

Half Round Screw

Hex Screw (M4)

Parts Name

ITEM

Description

Main Focuser Shaft Left and

Right Balance Adjustment.

*(Prohibit from adjustment-Must

consult with technician).

C’s and D’s screw both balance

the internal mount

*(Prohibit from adjustment-Must

consult with technician).

Loading Tension Adjustment

Tools require for factory adjustment:

B- use 2.5mm Hex Allan Wrench.

C, D, E’s use 2mm Hex Allan Wrench

*(Prohibit from adjustment-Must

consult with WO tech-

nician).

Flat Screw

(bearing holder inside)

Total Lock Down

Step 2

Step 1

A. Diagram (Focuser Loading Adjustment)

Step 1: release LOCK knob tension counterclockwise

Step 2: use 2.5mm hex allen wrench slightly release counterclockwise

Note: do this procedure only,

if you feel roughness in 2 speed shaft

if the draw tube does not function properly

if DDG panel malfunction.

Step 2

Step 1

Step 5

Step 8

Step 6

Step 4

Step 7

Step 3

B. Diagram (Focuser shaft and knobs disassemble procedure)

Step 1: release LOCK knob tension counterclockwise

Step 2: release Hex Screw (M5) counterclockwise

Step 3: release Hex Screw (M4) counterclockwise

Step 4: pull out focuser knob (regular knob)

Step 5: release Hex Screw (M4) counterclockwise (2 speed shaft)

Step 6: pull out 2 speed shaft

Step 7: release Hex Screw (M4) counterclockwise

Step 8: pull out focuser knob (2 speed knob)

Step 9: Check with WO technician for 2 speed shaft or 2 speed knob replacement.

Step 10: Final assembly procedure, please reverse step’s 8 through 1 to reserve the assembly procedure and

check all screws are properly install.

Note: always make sure focuser shaft balancing is complete check and all screws are properly installed and

tighten before operation.

Step 6

Step 3

Step 4

Step 7

Step 10

Step 11

Step 12

Step 9

Step 13

Step 1

Step 2

Step 8

Step 9

Step 5

C. Diagram (DDG panel, draw tube and internal bearing disassemble procedure)

Step 1: release LOCK knob tension counterclockwise

Step 2: release Hex Screw (M5) counterclockwise

Step 3: release Half Round Screw counterclockwise (2 pcs.)

Step 4: carefully take out DDG panel (1 unit)

Step 5: draw the gradual tube to 40mm position until all 4 pcs. Half Round Screw appears and then released all screws

completely counterclockwise. (Temporary store away for assembly later).

Step 6: pull the whole draw tube outward (temporary store away for assembly later).

Step 7: release Hex Screw (M4) counterclockwise (2 pcs.)

Step 8: release Hex Screw (M4) counterclockwise (2 pcs.)

Step 9: release bearing holder

clockwise

(4 holders) Note: replace bearing holder only if it has problem. *Counterclockwise

to assemble bearing holder.

Step 10, 11, 12: carefully remember the factory setting for assembly or replacement

Step 13: check if gradual sensor has any damage or need replacement. Note: make sure gradual sensor sits perfectly flat

on draw tube before DDG panel can properly function.

Step 14: follow steps 12 through step 1 for assemble procedure. Note: make sure every step is properly installed before

moving to next step.

4 reminders to watch for:

1. Make sure every steps is carefully examine before installation

2. All screws and bearing holders must be properly install

3. Step 7 and 8 must be properly balanced on both sides before installation. (M4)

4. Step 2 please do not over power and please adjust with caution.

William Optics F3.0-DDG Owner's manual

Brand: William Optics

Model: F3.0-DDG

Type: Owner's manual

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William Optics F3.0-DDG Owner's manual

William Optics F3.0-DDG Owner's manual

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