RIDGID HC-450 Manual Del Usuario página 8

HC-450/HC-300 Hole Cutting Tools
4. The 1 / " pilot drill is recommended for pipe that is
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installed. If pilot is used make sure it is tight in arbor
and exposed no more than
NOTE! Pilot drills are recommended when cutting holes
in installed systems.
5. Ensure chain assembly and swivel handle are in
working order and free to move.
6. Make sure there is adequate clearance to mount
and position the HC-450.
WARNING When cutting into an existing system, the
pipe must be drained and depressurized. Do not use in
the presence of flammable liquids, vapors or dust.
7. Lift HC-450 using front and rear carrying handles.
Rear handle can be used for a rope and pulley sys-
tem when working on existing overhead pipe. (See
Figure 4.) Do not lift HC-450 above your shoulder.
(Figure 5)
Figure 4 – Carrying the HC-450
8. Mount unit in the proximity to hole location.
NOTE! If hole location is on the bottom or sides of pipe,
place unit on top of pipe. Put chain around pipe
and place chain pins into base latch. (See Figure
6.)
To prevent cord damage and electrical
WARNING
shock position electrical cord away from the base of the
tool.
9. Fully tighten chain when pilot drill or saw is over the
hole location. To move unit, loosen chain swivel han-
dle half a rotation and slide or rotate unit.
WARNING Unit stability must be maintained using ei-
ther front or rear carrying handles.
10. Secure the unit in the final location. The HC-450 will
operate at all angles relative to the vertical or hori-
zontal pipe. (See Figure 7.)
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3 / ".
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Ridge Tool Company
Figure 5 – DO NOT lift HC-450 above your shoulders.
May result in loss of balance.
Base Chain
Latch
Figure 6 – HC-450 Base Latch