Set Pressure Adjustment - Yoshitake AL-27 Product Manual

7.3 Set pressure adjustment (See 4. Structure)
Warning
Caution
Nominal size
Spring range
15-50A
When a set pressure is not specified, confirm if the set pressure range is proper by checking the
alphabet punched on the edge of the screwed connection.
To adjust the set pressure, remove the cap [11], make a 1/4 to 1/3 turn of the
adjusting screw [9] slowly as checking the pressure gauge, and check the
operation each time after turning the adjusting screw [9]. Be careful not to overturn
or the fluid may suddenly blow out.
adjusting screw [9] while adjustment. Be careful not to get injured or scalded and
not to make the surroundings dirty. When it is difficult to adjust by yourself, please
contact us.
* Hot fluid may cause injury and scalds when it blows out.
Do not try to adjust the set pressure beyond the set pressure range defined per
spring. Please refer to Table 4. Set pressure range.
* Failure to follow this notice results in malfunction.
Table 4. Set pressure range
A
0.05
up to 0.2
The fluid leaks from the thread of the
Set pressure range (MPa)
B C
Over 0.2 Over 0.4
up to 0.4 up to 0.65
9
D
Over 0.65 Over 1.0
up to 1.0 up to 1.6
(See below.)
E
■EPDT-351■