WARNING
Unit stability must be maintained using either front or rear carrying handles.
10.Secure the unit in the final location. The
Figure 7 – HC-450 on a Horizontal Cut
11.By using either feed handle, raise the hole saw to the pipe.
12.Plug the
WARNING
To avoid electric shock and electrical fires, never use and extension cord that is damaged or does not meet the following requirements:
•The cord has a
•The cord is rated as “W” or
•The cord has a wire thickness gauge that does not exceed 14 AWG if shorter than 30 feet or 12 AWG if 30 feet or longer. If the cord is too long or if the wire thickness is too small, the cord may overheat, melting the cord’s insulation or causing nearby objects to ignite.
Operating Instructions
Model HC-450
WARNING
Do not use a
1.The
2.With one hand on a feed handle and the other hand on a switch, feed the hole saw into the pipe.
WARNING
Keep fingers and hands away from the saw blade. Do not reach across the hole saw or wear loose gloves that may become entangled and cause serious injury.
Figure 8 – Model HC-450 Lock Out Switches
3.Rotate the feed handle to apply downward pres- sure on the hole saw.
WARNING
Do not overfeed saw while cutting. Doing so will result in premature saw failure and possible serious injury.
4.After completing the hole cut, retract the saw from the pipe by turning feed wheel clockwise.
NOTE! When branching off an existing system, use a hole saw with the 1/4″ pilot drill. The pilot drill helps retain the pipe slug in the hole saw.
5.Turn unit OFF by releasing the actuator switch and let hole saw come to a complete stop.
6.Remove unit by unclamping chain and using both front and rear carrying handles.
7.Brush away all metal chips created by the hole saw from the area around the hole.
Ridge Tool Company • Elyria, Ohio • U.S.A. | 7 |
