Wachsmuth & Krogmann KingKraft ZJ4116QA - Manual (Page 18)

17
MAINTENANCE
WARNING:
When servicing use only identical replacement parts. Use of any other parts may create
a hazard or cause product damage.
WARNING
To avoid serious personal injury make sure the drill press is turned OFF and the cord is
unplugged from the power source before performing any maintenance or adjustment.
GENERAL MAINTENANCE
After using your drill press, clean it completely and lubricate all sliding and moving parts.
Apply a light coat of automotive type paste wax to the table and column to help keep
the surfaces clean.
LUBRICATION
The ball bearings in the quill and V-belt pulley are permanently lubricated. To lubricate
the spindle, pull quill down to maximum depth and oil moderately once every three
months. Oil all slide bars lightly every two months. If cranking becomes difficult, grease
bracket lightly.
TROUBLE SHOOTING
TROUBLE PROBABLE CAUSE REMEDY
Noisy operation
A) Incorrect belt tension
B) Dry spindle
C) Loose pulley
D) Loose belt
E) Bad bearing
A) Adjust tension
B) Remove spindle/quill
assembly and lubricate
C) Tighten pulley
D) Adjust belt tension
E) Replace bearing
Excessive drill wobble
A) Loose chuck
B) Worn spindle shaft or
bearing
C) Bad chuck
A) Tighten by pressing
chuck down against table
B) Replace spindle shaft
or bearing
C) Replace chuck
Motor won’t start A) Power supply
B) Motor connection
C) Switch connections
D) Motor windings burned
E) Bad switch
A) Check power cord
B) Check motor connection
C) Check switch connections
D) Replace motor
E) Replace speed
Drill binds in workpiece
A) Excessive pressure
on feed handle
B) Loose belt
C) Loose drill
D) Speed too fast
A) Apply less pressure
B) Check belt tension
C) Tighten drill with key
D) Change speed
Drill burns or smokes
A) Incorrect speed slow
down RPM
B) Chips are not
discharging
C) Dull drill or not cut
properly for material
D) Needs lubrication
E) Feed pressure wrong
A) Refer to speed chart
B) Clean drill
C) Clean sharpness and
taper
D) Use lubrication while
drilling
E) Apply less pressure
Table difficult to raise A) Needs lubrication
B) Bent rack
C) Table lock tightened A) Lubricate with light oil
B) Straighten rack
C) Loosen clamp
SERVICE CENTER