INSTRUCTION, USE AND
MAINTENANCE MANUAL
GB
Page 22 of 96
7522-M004-1_B
NAV51.15 - NAV51T.15 - NAV51.15N
12.5.1 Tools rotation (only for NAV51.15 and
NAV51T.15)
Tool holder head 180° rotation is automatic, and it
takes place through handle control operation (
Fig. 10-
13 pos C and D
).
12.5.2 Tools unit extraction/insertion (only
for NAV51.15 and NAV51T.15)
The tools holder head has two working positions.
THE FOLLOWING OPERATIONS
MUST BE CARRIED OUT WITH
THE TOOLS HEAD IN “OFF- WORK”
POSITION.
Remove the safety split pin (
Fig. 19 ref. 1
) and manu-
ally extract the lever (
Fig. 19 ref. 2
) to change from
one position to another. Manually lift or lower the tools
holder head until the locking holes match (
Fig. 19
ref. 3
).
WHEN THE TOOL HOLDER HEAD
IS LOWERED, MOVE THE HEAD
ITSELF DOWNWARDS WITH THE
FREE HAND.
When the new position has been reached, insert the
lever again (
Fig. 19 ref. 2
) in the provided hole and
assemble the safety split pin (
Fig. 19 ref. 1
) again.
3
2
1
Fig. 19
12.5.3 Quick fit device (only for NAV51.15N)
The machine, equipped with a quick-fit tool, remark-
ably facilitates the tools unit extraction/rotation opera-
tions. Here follows the description of these operations:
TOOL ROTATION
To rotate the tool head (
Fig. 20-21 ref. 1
) (both in low
(
Fig. 21 ref. 2
) and in high position (
Fig. 20 ref. 3
))
just push the unlocking lever (
Fig. 20-21 ref. 4
) to-
wards the tool arm. When the head new working posi-
tion is reached (
Fig. 20-21 ref. 1
) the lever (
Fig. 20-
21 ref. 4
) automatically inserts locking its rotation.
1
180°
3
4
Fig. 20
180°
1
2
4
Fig. 21
