Jet J-1600R, Operating Instructions And Parts Manual

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9.3
Clutch adjustment
If the spindle, in Hi or Low speed, won’t rotate fully
while drilling, the clutch requires adjustment.
Proceed as follows;
1. Change gear speed to highest speed, then
turn off power.
2. Remove large sight glass at right side of drill
head.
3. Rotate spindle with your left hand until clutch
turns to the best position for adjustment, with
the clutch’s key facing toward you.
4. Push out upper key or lower key (K, Figure
19), and turn collar (L) right or left until key
returns to notch.
5. Reinstall sight glass.
6. Operate drill to verify proper spindle rotation.
Figure 19: Clutch adjustment
9.4
Hydraulic pressure adjustment
If there is little or no hydraulic pressure during
normal operation, adjust as follows:
1. Insert small screwdriver into valve switch and
hold it there.
2. Rotate valve clockwise to increase pressure.
(Counterclockwise decreases pressure.)
Default pressure is 38 bar (kg/cm
2
).
3. Remove screwdriver.