Testing
Whenthelatheismountedtoyoursatisfaction,proceedasfollows:
a) Closethechuckjaws.
b) Checkthetailstockis‘nipped’andthebarrellockistightened.
c) Checkalllooseitemsareremovedfromthelathe.
d) Setthesaddleapproximatelymidwayalongthebed.
e) PresstheEmergencyStopButtonIN(EmergencyStopON).
f) ChecktheAutofeed/ManualLeverissettomanual(Handlogo).
g) Closethechuckguard.
h) CheckthespeedcontrolisswitchedOFF(fullyanticlockwise).
i) ChecktheForward/Off/ReverseSwitchisintheOFFposition.
j) ConnectthemachinetothemainssupplyandswitchpowerON.
k) TurnEmergencyStopswitchtotherightandallowittospringoutandreset.
l) ChecktheGreenPowerLEDisilluminated.
m) TurntheSpeedControlSwitchOn(ClicksOn).
n) ChecktheAmberLED(FaultLight)isilluminated.
o) SwitchtheSpeedControlSwitchOFF(ClicksOFF)andtheAmberLEDisnowoff.
p) SelectForwardontheForward/Off/Reverseswitch.
q) TurntheSpeedControlSwitchOnandadvanceuntiltheChuckstartstorotate.
r) LifttheChuckGuard;checkthespindlestopsandtheAmberfaultLEDilluminates.
s) ResettheChuckGuard,checkthespindledoesNOTrestartandtheAmberfaultLEDremains
On.
t) TurntheSpeedControlSwitchOFF,andthattheAmberLEDgoesoff.
u) TurntheSpeedControlSwitchON,advanceuntilthespindlestartstorotate.
v) Overaperiodofapproximately5minutesadvancethespeedinstagestomaximum,runat
maximumforatleast2minutes,checkthatthereisnothinguntoward(noexcessivevibration,
speedprogressionissmoothetc).
w) Ifalltheabovechecksarecorrect,stopthespindle;selecttheAutofeedfunction(ifnecessary
‘jog’theleadscrewhandletoenablethegearstomesh).Switchonandadvancetoa
reasonablespeed,checkthesaddledrivessmoothlytowardsthechuck.
x) Stopthespindle,selectreverse,switchONandadvancetoareasonablespeed,checkthe
chuckdrivessmoothlytowardsthetailstock.
y) Ifalltheabovechecksarecorrect,thefinalcheckistosetthespindlerunning,thenhitthe
EmergencyStopswitch.CheckthespindlestopsandallpowerindicationsgoOFF.
z) Yourlatheisnowreadyforuse.Enjoy.
ChesterUKCobraLathe
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