TM 9-3405-206-14 & P
Fig. 19
Fig. 20
When using this machine for wood cutting (3000 FPM),
Fig. 20 When using this machine for metal cutting (40,
the shifter knob (A) Fig. 19, is always pulled out all the
60, 85, 115, 160, 220 and 335 FPM), the shifter knob (A)
way so that the lugs of the clutch (B) are engaged with
Fig. 20, is always pushed in all the way, disengaging the
the hub (C) of the driven pulley. This will disengage the
clutch (B) from the hub (C) of the pulley. An additional
clutch (D) from the hub (E) of the gear that transmits
clutch (FC) is located inside the band saw and must be
power through the gear box, as shown in Fig. 19, It may
engaged with the hub (E) of the gear that transmits
be necessary to rotate the pulley manually in order to line
power through the gear box, as shown in Fig. 20. When
up the clutch lugs with the slots in the hub of the pulley.
pushing in on the shifter knob (A) Fig. 20, rotate the
This provides a direct drive from the motor pulley to the
lower wheel of the band saw, and you will be able to feel
driven pulley, by-passing the gear box.
when engagement occurs.
The following is an explanation for the belt and pulley
arrangements to enable the operator to obtain all eight speeds
available on the band saw:
Fig. 21
With the longest belt (A) on the inside groove of the
and the gear box pulley (E). 3 To obtain a blade speed
motor pulley (B) and on the driven pulley (C), as shown
of 3000 FPM, pull out the shifter knob (F)
in Fig. 21, and the small belt (D) on one of the remaining
The blade speed of 115 FPM is obtained by pushing in
three grooves of the motor pulley and the corresponding
the shifter knob (F) Fig 21, removing the long belt (A)
groove of the gear box pulley (E), speeds of 40, 60, 85,
from the pulleys and placing the small belt on the inside
and 3000 FPM are readily available. To obtain speeds of
groove of the motor pulley (B) and the inside groove of
40, 60 and 85 FPM, the shifter knob (F) Fig. 21, must be
the gear box pulley (E).
pushed in all the way, and the small belt positioned on
Except for the one speed of 115 FPM, both belts may be
one of the three outside grooves of the motor pulley (B)
left on the machine regardless of the speed being used.
14
TM 9-3405-206-14 & P