-43-
Model W1878 (For Machines Mfd. Since 4/21)
SE
RV
IC
E
Tensioning.Belt
Tool.Needed.
Qty
Hex Wrench 6mm ...............................................1
To.properly.tension.belt,.do.these.steps:
1.
DISCONNECT
MACHINE FROM POWER!
2.
Loosen motor mount cap screws shown in
Figure.45
.
3.
Push motor to the right (as viewed from back of
machine) until you feel moderate tension, then
re-tighten both cap screws.
4.
Check belt tension. If necessary, repeat
Steps.2–3
until there is approximately
1
⁄
4
" deflection in the
belt.
5.
Close wheel cover.
Figure.45.
Location of motor mount cap
screws used for adjusting belt tension.
Motor Mount
Cap Screws
Replacing.Belt
Tools.Needed.
Qty
Hex Wrench 6mm ...............................................1
Retaining Ring Pliers ...........................................1
Replacement Belt (Part No.
X1878048) .....................1
To.replace.belt,.do.these.steps:
1.
DISCONNECT
MACHINE FROM POWER!
2.
Put on heavy leather gloves and remove blade from
machine (refer to
Changing.Blade
on
Page.35
).
3.
Loosen motor mount cap screws (see
Figure.45.
on
Page.42
).
4.
Pivot motor to the left (as viewed from back of
bandsaw) to release belt tension.
5.
Open lower wheel cover and remove belt from motor
pulley.
6.
Remove external retaining ring from lower wheel
shaft (see
Figure.46
) and remove lower wheel.
To ensure optimum power transmission from the motor
to the blade, the belt must be in good condition and be
properly tensioned.
Replace the belt if it shows signs of cracking, fraying, and
excessive wear.
7.
Install new belt on both pulleys, then
re-install wheel and retaining ring.
8.
Properly tension belt, as instructed in
Belt.Tension
on
Page.42
.
9.
Replace blade, properly track and
tension it (see
Pages.19.
and
24
), then
adjust guide and support bearings.
Figure.46
. Belt change components inside
lower wheel cover.
Belt
External
Retaining Ring
Summary of Contents for W1878
Page 60: ......
