GRIGGIO GF 21, Инструкция по эксплуатации

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19. COMMON FAILURES - CAUSES AND SOLUTIONS
Some failure causes can be eliminated by the operator himself, while others failures need qualified per-
sonnel intervention. Here is a list of the most common failures, along with the correspondent service in-
tervention.
18.4 EXTRAORDINARY MAINTENANCE
-
Make sure electrical system is safe.
- Check clamping of mechanical components.
- Check lubricating oil level in air-filtering unit and refill if necessary.
- Make sure the machine is lubricated regularly.
- Check air pressure. Line feed must be at 6 bar.
- Check condensate level and compressed air impurities settling in the transparent sump in the air-
purification system.
-
Make sure spindlehead is lubricated. We suggest that you use Castrol WP30 grease, Schell Alvania
EP2 grease, Agip grease or other similar lubricants.
19.3 IL FORO NON E’ PRECISO
19.2 ENGINE IS RUNNING BUT DRILLS ARE NOT TURNING
19.1 DRILLS ARE NOT TURNING
GRIGGIO S.p.A.
WOODWORKING MACHINERY
22
CAUTION: Before carrying out any intervention you must strictly follow the cutting-off proce-
dure described in chapter 16.
POSSIBLE CAUSE WHAT TO DO
A. The engine is not running - Press the engine operational button
-
Release emergency pushbutton and check
fuses
- Check air pressure (to switch pressure switch
on)
B. The engine is burnt out - Replace the engine
POSSIBLE CAUSE WHAT TO DO
A. Possible breakage in
-gears
-bearings -replace them (call technical service)
POSSIBLE CAUSE WHAT TO DO
A. Drill is not clamped correctly -Check clamping. If it is correct call service inter-
vention.
B. Drills are worn - Replace or call technical service
C. Piece to be worked is not clamped correctly - Check hold down clamps, hold down clamps gas-
kets and working pressure