16.8 HOW TO USE REFERENCE PIN TO BORE SERIES OF HOLES ON LARGE
PIECES (OPTIONAL)…………………………………………………………………...17
16.9 HOW TO USE TRIANGULAR FENCE FOR 45° BORING AND SPLINE
(OPTIONAL)………………………………………………………………...………18
16.10 WOODWORKING EXAMPLES…………………………………………………….,….19
17. HOW TO START THE MACHINE .................................................................................. 21
17.1 WORKING CYCLE .............................................................................................. 21
18. MAINTENANCE ............................................................................................................ 21
18.1 MACHINE CLEANING (DAILY) ........................................................................... 21
18.2 RAILS CLEANING (WEEKLY) ............................................................................. 21
18.3 KINEMATICS CLEANING AND CHECKS (MONTHLY) ...................................... 21
18.4 EXTRAORDINARY MAINTENANCE .................................................................. 21
19.COMMON FAILURES – CAUSES AND SOLUTIONS .................................................... 22
19.1DRILLS ARE NOT TURNING……………………………………………………………..22
19.2 ENGINE IS RUNNING BUT DRILLS ARE NOT TURNING ................................. 22
19.3 BORED HOLE IS NOT PRECISE ....................................................................... 22
20. FAILURES THAT MIGHT OCCUR DURING MACHINE WORKING CYCLE…………….23
20.1 DRILLS LEAVING SCORCH MARKS ................................................................. 23
20.2BORED PIECES ARE NOT SET AT A 90° ANGLE TO TABLE………………………23
20.3 HEAD CANNOT ROTATE PROPERLY ............................................................... 23
20.4 HOLD DOWN CLAMPS CANNOT CLAMP WOOD PIECE ................................. 23
21 A. NOISE LEVEL ............................................................................................................ 23
21 B. DUST EMISSION ....................................................................................................... 23
22. PNEUMATIC SCHEME .............................................................................................. 24
23 A. ELECTRICAL SCHEME FOR GF21, GF27 (WITH ONE ENGINE) ............................. 24
23 B. ELECTRICAL SCHEME FOR GF 35 (WITH TWO ENGINES) ................................... 25
24. MACHINE IS PUT OUT OF COMMISSION ................................................................ 26
25. GUARANTEE CERTIFICATE ..................................................................................... 27
26. SPARE PARTS CATALOGUE…………………………………………………………...….29
3
GRIGGIO S.p.A.
WOODWORKING MACHINERY
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