Adjusting The Throttle Vales Of The Solenoid Valves - Brother RH-9820 Instruction Manual

9. STANDARD ADJUSTMENTS

9-30-2. Adjusting the throttle vales of the solenoid valves

<For -00 specifications>
<For -01 and
-02 specifications>
1608B
1609B
1610B
<Guide to adjustment>
Valve
Valve No. 2
(Throttle valve adjusting
screws: 2A and 2B)
Valve No. 5
(Throttle valve adjusting
screws: 5A and 5B)
115
Loosen Tighten
No. of turns of throttle valve
adjusting screw
If loosened by more than nine
turns
If loosened by less than nine
turns
If loosened by more than seven
turns
If loosened by less than seven
turns
RH-9820
NOTE: Applications of each valve
Label No.
1 For upper thread take-up
2 For upper thread trimming
3 For cloth spreading (+ for auxiliary clamp *
4 For work clamp
2
5* For lower thread trimming
1
* :
Auxiliary clamp is for -02 specifications only.
2
* :
The solenoid valve for label No. 5 is not present in -00
specifications.
Use the throttle valve adjusting screws for valve No. 2 (2A
and 2B in the illustration) to adjust the operating speed for
the upper thread trimming cylinder.
Use the throttle valve adjusting screws for valve No. 5 (5A
and 5B in the illustration) to adjust the operating speed for
the lower thread trimming cylinder.
Make the adjustments correctly by following the procedure
below.
<Adjustment method>
1. Loosen the fixing nut (1).
2. With the throttle valve adjusting screw (2) tightened fully,
loosen the throttle valve adjusting screw (2) while referring
to the "Guide to adjustment" below.
3. After adjusting, tighten the fixing nut (1) to secure the
throttle valve adjusting screw (2) so that it cannot turn.
Operation will become faster, but if it becomes too
fast, shocks will become greater and noise will occur.
Operation will
performance will drop.
For -02 specifications, lower thread clamping errors
may occur.
Operation will become faster, but if it becomes too
fast, bunching may occur during thread handling, and
thread trimming errors may occur.
Operation will become slower, and cycle time will
increase and an error code may be displayed.
Solenoid valve application
Problem
become slower and
1
)
cutting