RIDGID hc-450, hc-300 manual Operating Instructions, HC-450 on a Horizontal Cut

HC-450/HC-300 Hole Cutting Tools

WARNING

Unit stability must be maintained using either 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 horizontal pipe. (See Figure 7.)

Figure 7 – HC-450 on a Horizontal Cut

11.By using either feed handle, raise the hole saw to the pipe.

12.Plug the hole-cutting tool into the electrical outlet, making sure to position the power cord along the clear path. If the power cord does not reach the outlet, use an extension cord in good condition.

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 three-prong plug similar to shown in Electrical Safety.

•The cord is rated as “W” or “W-A” if being used outdoor.

•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 hole-cutting tool without proper eye protection.

1.The HC-450 is actuated by depressing one of the lock out switches located in the front carrying handle. (See Figure 8.)

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