RIDGID hc-300, hc-450 manual Mount unit in the proximity to hole location

HC-450/HC-300 Hole Cutting Tools

3.Place HC-450 on a bench or ground to install hole saw and arbor into drill chuck.

4.The 1/4″ pilot drill is recommended for pipe that is

installed. If pilot is used make sure it is tight in arbor and exposed no more than 3/8″ .

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.)

WARNING

To prevent cord damage and electrical 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 handle half a rotation and slide or rotate unit.

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

6 Ridge Tool Company • Elyria, Ohio • U.S.A.