Kitz B Series - Page 20

DocumentNo.:KE-4025-06                                           17/50

Troubleshootingofthemanualoperationunit
Trouble PossibleCauses RemedialMeasures
Not
automatically
operated
① Operate the valve with
the pin is inserted into
thepinhole.
② The pressure equalizing
valveisopened.
③ Noairissupplied.
① Remove the pin from the pin hole and
insertaplugintoit.
② Closethepressureequalizingvalve.
③ Supplyairtotheactuator.
Automated
operation
The operation
speedisslow.
① Malfunctionofthevalve
② Malfunctionofthe
actuator
③ Airpressureislow.
④ Excessive throttling of
speedcontroller
⑤ Corrosion of internal
parts
① Disassembly/check/cleaning the valve
andreplacementofvalveseats
② Disassembly/replacement of actuator
partsorreplacementoftheactuator
③ Readjustmentofthefilterregulator
④ Readjustmentofthespeedcontroller
⑤ Replacementofthemanualoperationunit
Not manually
operated
① The pin is not inserted
 into the pin hole.
② Air is supplied to the 
actuator.
③ A pressure equalizing v
alve is closed.
① Insertthepinintothepinholecompletely.
② Stop supplying air to the actuator and
openthepressureequalizingvalve.
③ Openthepressureequalizingvalve.
Thepincannot
beinserted
intothepin
hole.
① Indicator is not adjusted
tothepinhole.
② A pin hole on a worm
wheelandapinholeona
shaftarenotaligned.
③ Foreignobjectsarestuck
onthepin
④ Thepinisdeformed.
① Adjust the indicator to the pin hole
rotatinghandle.
② Adjust the pin hole on the worm wheel
andthepinholeontheshaftbyrotating
thehandlelittlebylittle.
③ Cleanthepin.
④ Replacethepin.

Manual
operation
Impossible to
removethepin
from the pin
hole.
① Thepiniscaughtinthe
internalpart.
② Airpressureissupplied.
① Free the pin from the internal parts by
rotatingthehandlelittlebylittle.
② Stopsupplyingtheair.
