To adjust the setting of the valve, loosen locking cap screw with hexwrench, see Figure 3.
如果要调节阀门的设置,则利用六角扳手松开锁紧帽螺丝,参阅图3。
2
Trying to remove these setscrews with a hexwrench (aka Allen wrench) that is the wrong size or even slightly worn will very likely strip the drive cup of the setscrew.