-12- G4000 9'' x 19'' Lathe
SSppiinnddllee SSppeeeeddss
SSEECCTTIIOONN 55:: CCOONNTTRROOLLSS
FFiigguurree 99..
Belt tensioning lever.
FFiigguurree 88..
Spindle speed portion of machine
plate.
FFiigguurree 77..
Pulley positions in headstock.
The rotating speed of the headstock is controlled
by the positioning of the belts on the pulleys.
SSeeee
FFiigguurree 77..
These are accessed by removing the
cover on the end of the headstock. Refer to the
chart at the end of this manual or the plate on the
headstock (
FFiigguurree 88))
to determine which belt
combinations produce what speeds. The speed
settings available on this machine are 130, 300,
400, 600, 1000 and 2000 RPM.
NNEEVVEERR rreeaacchh aaccrroossss aa rroottaattiinngg cchhuucckk oorr
ppllaattee.. TThhee uussee ooff tthhee BBeelltt TTeennssiioonn RReelleeaassee
LLeevveerr aass aa cclluuttcchh sshhoouulldd bbee rreessttrriicctteedd ttoo
tthhoossee ttiimmeess wwhheenn ssttaarrttiinngg aa hheeaavviieerr ppaarrtt
ttuurrnniinngg aanndd tthheenn aatt vveerryy llooww ssppeeeedd..
This belt tensioning lever on the top of the head-
stock loosens the drive belt to enable the opera-
tor to change speeds.
SSeeee FFiigguurree 99..
The tension
release lever can also be used as a clutch while
the machine is in operation.
A
B
C
Idler Pulley
