BANDSAW OPERATIONS - OD1646 - LESSON 2/TASK 1
bearing caps.
Maintenance of the electric motor is accomplished by
following the manufacturer's instructions located on the tag attached to the
motor.
Lubrication requirements can be found, when needed, in TM 9-3419-
227-10, page 27.
a.
Wheel Tires. When the tires are completely worn out, they should be
replaced. Replace them by loosening the tire with a screwdriver. Stretch
the tire until it can be removed.
Scrape the wheel clean, and apply new
cement before installing a new tire.
b.
Wheel Brushes. The wheel brush should be checked occasionally. If it
is worn so that it is no longer contacting the wheel face, loosen the
adjusting screws and move the brush up to the wheel. Replace the brush as
required.
c.
The belts driving the speed indicator and the input
sheave will stretch slightly after initial use. The stretch of the belts is
automatically taken up by the counterbalancing weight of the drive motor
(figure 35 on the following page) on its mounting hinge.
(1) Replacing the Belts. The belts can be easily replaced by lifting up
the drive motor and blocking it in place. After the drive motor is lifted
and blocked, the belts can be slipped off their pulleys and new belts can be
installed.
(2) Adjusting the Motor Bracket.
The motor bracket (figure 35) is
adjusted to control "hopping" or climbing of the drive motor in its belt.
Adjust the bracket to just clear the motor plate when at its highest
position during operation.
d.
Head Assembly. The head assembly on the model 1612-0 bandsaw machine
is shown in figure 36 on page 56. Access to the head assembly can be easily
gained by lifting the upper wheel up and out of the bracket on the slide
assembly (refer to figures 35 and 36). Oil should occasionally be wiped on
the post, and the post should be run up and down through the slide block
several times. The upper wheel slide and band tension screw should be oiled
monthly. The wheel bearings are sealed and lubricated for life.
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