DoAll C-916 - Maintenance; Coolant System; Chip Brush; Machine Cleaning

MAINTENANCE
COOLANT SYSTEM
(1) Drain and clean entire system thoroughly
when coolant becomes unsuitable for further
use.
(2) Periodically empty reservoir to clean coolant
screens .
(3) Flush entire system with DoALL Kleen Flush
when changing coolant types being used.
CHIP BRUSH
(1) The chip brush will lose wire bristles and
become less effective as it wears.
(2) The brush should be adjusted so bristles
remove all chips from tooth gullets ; yet do not
touch gullet bottoms .. This is done by
loosening bracket screws and moving brush
closer to the band.
(3) Replace brush when necessary. Refer to Fig.
19 on page 9.
MACHINE CLEANING
(1) During the sawing process , chips will
accumulate below the powered brush . These
should be removed as often as possible.
(2) In addition, the operator should check often
for chip accumulations around such machine
areas as: saw guides, table top, wheels, vises ,
head lift assembly, etc. These may affect
machine performance and sawing accuracy if
not removed .
CAUTION: "STOP" band movement before opening
machine doors or covers.
NOTE: The DoALL Company recommends removing
chips at least twice per each 8-hour shift,
and more often when necessary.
SAW GUIDE INSERT REPLACEMENT
(1) Remove adjusting screw holding spring
washer housing and moveable insert.
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(2) Insert screwdriver through adjusting screw
hole to engage fixed insert screw sl ot.
Remove fixed insert.
(3) Remove retention screw above adjusting
screw on saw guide arm. Press 4 ball bearings
from their seats.
(4) Thoroughly clean saw guide body and insert
area.
(5) Inspect roller bearing's 2 useable wear
surfaces . If the surface which has been just
used is worn: (a) Re- i nsert bearing in saw
guide with the unworn surface exposed to
band back; (b) Re- insert 4 ball bearings and
retention screw .
(6) Replace fixed and moveable inserts if worn .
(7) To re-assemble: (a ) Install inserts and spr ing
washer housing; (b) Tighten adjust i ng sc r ew
until i nserts touch ; ( c) Turn screw 1-1/2 turns
counterclockwise ; (d) Place band between
inserts and turn screw 1-1/2 turns clockwise.
Refer to Fig . 9 on page 6.
DRIVE BELT REMOVAL
(1) Turn band drive motor "of f ".
(2) Turn band speed handwheel counterc l ockwise
as far as possible .
(3) Remove screws holding wheel cover to head
top, rear and right side.
(4) Slip belt from around driven pulley ; then from
variable speed pulley.
(5) Carefully place new belt i nto dr iven pulley
groove; then around and into variable speed
pulley groove .
(6) Slowly turn band speed handwheel cl ockw ise.
Check belt position in grooves as tigh t ening
occurs.
(7) Replace cover with holding screws . Refer to
Figs. 12 & 13 on page 7.
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