15
Maintenance
Figure 15
Changing Blades
Refer to Figure 15 except where specified
otehrwise.
Use leather gloves when
changing the saw blade to protect your
hands from cuts and scratches. Use
protective eye wear that meets ANSI
Specification Z87.1
Disconnect the cut-off saw
from its electrical power source.
Tools required:
-- 3mm, 4mm and 5mm hex wrenches
-- 12mm wrench
Removing the Blade
1. Lock the hydraulic cylinder that controls the
descent of the saw head with the
feed rate
start/stop control
(F, Fig. 5). Raise the
saw
head
(A) about half way up.
2. Remove the
wheel cover
(B) and
blade
guards
(C, D) and brush (Inset 2 - M).
3. Turn the
blade tension handle
(J) counter-
clockwise until the
blade
(E) hangs loose.
4. Pull
the
blade
(E) off the
drive wheel
(F) and
idler wheel
(G) and out of the
blade guides
(H
1
, H
2
). Store the removed blade carefully
before proceeding.
Installing New Blade
5. Slide the new blade into the
blade guides
(H
1
, H
2
, Inset 1), then loop the blade (E)
around the
drive wheel
(F) and
idler wheel
(G) such that the teeth face towards the rear
of the saw and the smooth side faces
towards the front.
6. Push the blade so it seats against the
shoulders of the
wheels
(F, G).
Adjusting the proper Blade Tension
7. When it is seated against the shoulder, turn
the
blade tension handle
(J) clockwise to
increase the tension until the scale for the
3/4" blade tension measures 14–21KPSI
(green zone) on the tension indicator (K).
8. Replace the
wheel cover
(B) and
blade
guards
(C, D) and
brush
(M).
9. Reconnect the saw to the electrical power
source.
Содержание J-9180
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