Brother International RH-9820 Instruction Manual - English - Page 100

Adjusting the work clamp lift amounts, Loosen the screw 12 of the clamp driving lever 11.

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9. STANDARD ADJUSTMENTS 9-18. Adjusting the work clamp lift amounts Adjust the work clamp lift amount to one of the values given below. : 12 mm : 16 mm * The work clamp lift amount is the value which includes the play in crank lever B (1) and the clamp lever (2). * Carry out adjustment for both the left and right work clamps. (The following describes how to adjust the lift amount for the right-side work clamp.) 1. Remove the two screws (3), and then remove feed base cover U (4). 2. Remove the six screws (5) and the shoulder screw (6), and then remove feed base cover R (7) at the right side. 0508B (Seen from directly to the right) 0509B 3. Insert a block with a thickness of 12 mm or 16 mm or a gauge (10) in between the support point of work clamp R (8) and the needle plate (9). 4. Loosen the screw (12) of the clamp driving lever (11). 5. Push section (B) of crank lever B (1) upward so that the tip (13) is pressed against the end of clamp lever R (2) as shown in the illustration. 6. While holding the parts in the position in step 5, tighten the screw (12). NOTE: Check that work clamp R (8) is pressed securely against the block or the gauge (10). 7. Install feed base cover R (7) and feed base cover U (4). * Adjust the lift amount for the left-side work clamp in the same way. 91 RH-9820

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9. STANDARD ADJUSTMENTS
RH-9820
91
9-18. Adjusting the work clamp lift amounts
Adjust the work clamp lift amount <a> to one of the values given below.
<For -00, -01 specifications>:
12 mm
<For -02 specifications>:
16 mm
*
The work clamp lift amount <a> is the value which includes the play in crank lever B (1) and the clamp lever (2).
*
Carry out adjustment for both the left and right work clamps. (The following describes how to adjust the lift amount for the
right-side work clamp.)
1. Remove the two screws (3), and then remove feed base
cover U (4).
2. Remove the six screws (5) and the shoulder screw (6),
and then remove feed base cover R (7) at the right side.
(Seen from directly to the right)
3.
Insert a block with a thickness of 12 mm or 16 mm or a gauge (10) in between the support point of work clamp R (8) and the
needle plate (9).
4.
Loosen the screw (12) of the clamp driving lever (11).
5.
Push section (B) of crank lever B (1) upward so that the tip (13) is pressed against the end of clamp lever R (2) as shown in
the illustration.
6.
While holding the parts in the position in step 5, tighten the screw (12).
NOTE:
Check that work clamp R (8) is pressed securely against the block or the gauge (10).
7.
Install feed base cover R (7) and feed base cover U (4).
*
Adjust the lift amount for the left-side work clamp in the same way.
0508B
0509B