TM 55-1520-240-23-6
7-4.2
TUBE BENDING (AVIM)
(Continued)
7-4.2
3.
Make sure base (2) of tube bending set is
securely mounted on work bench.
4.
Install correct radius collar (3) for desired bend
radius of tube (1) on holding pins (4).
5.
Position correct clamp block (5) for diameter
of tube (1) on quick-lok clamp (6). Install two
screws (7). Make sure radius groove (8) in clamp
block aligns with radius groove (9) in collar (3).
6.
Install quick-lok clamp (6) with two bolts (10),
washers (11), and nuts (12).
7.
Adjust quick-lok clamp (6) with back-up screw
(12.1) so moderate force is required to push lock
handle (13) over center to lock it. Use spacer
rods (13.1) as necessary.
8.
Position tube (1) between collar (3) and clamp
block (5) with bend line (1.1) against clamp block
and degree line (1.3) at top of tube.
9.
Position follow-block (14) against tube (1) and
butted against clamp block (5).
7-24
