Grizzly G4000 - Manual (Page 19)

-18- G4000 9'' x 19'' Lathe
N NO OT TIIC CE E
When adjusting gibs, keep in mind that the
goal of gib adjustment is to remove unneces-
sary sloppiness from the slide’s movement
without causing them to bind. Overtightening
may cause premature wear.
S Sp piin nd dlle e R RP PM M
S SE EC CT TIIO ON N 6 6:: A AD DJ JU US ST TM ME EN NT TS S
F Fiig gu urre e 2 23 3.. Pulley and gear box.
S Sp piin nd dlle e R R..P P..M M.. -- Spindle RPM’s are controlled
through a series of pulleys. To adjust the speed
on the Model G4000, shut the machine off and
unplug it, open the side-cover on the headstock.
F Fiig gu urre e 2 23 3.. Release pressure with the belt ten-
sion lever and attach the drive belt to the pulley
combination desired. There is a belt position dia-
gram and a RPM chart on
p pa ag ge e 2 28 8 a an nd d 2 29 9..
F Fiig gu urre e 2 24 4.. Cross slide gib adjustment.
There are two main gib adjustments for the Model
G4000. They are: the cross-slide gib and the
compound slide gib.
C Crro os ss s--s slliid de e G Giib b -- The gib on the cross slide is
adjusted by the setscrews at the side of the cross
slide. To adjust, loosen the check nuts holding
the setscrews in place, tighten the setscrews until
excess movement is eliminated and tighten the
check nuts.
F Fiig gu urre e 2 24 4..
G Giib bs s