Delta 8" VARIABLE SPEED GRINDER GR450 User Manual download pdf (Page 8)

ASSEMBLY TOOLS REQUIRED

Open end wrench (supplied)

ASSEMBLY TIME ESTIMATE

Assembly for this machine takes approximately 30 minutes.

TOOL RESTS

1. Attach the adjustable tool rest (A) Fig. 1 to the

left side of the tool rest arm (B), and fasten with

one 5/16-18 x 3/4" hex head screw (C) and 5/16"

lockwasher (D). Attach the remaining tool rest

to the right side of the tool. Loosely tighten the

hardware for further adjustment.

2. Attach the left tool rest assembly (D) Fig. 2 to the

inside of the left wheel guard (E), and fasten with

two 5/16-18 x 1/2" screws (F) and 3/4" flat washers

(G).

3. Attach the right tool rest assembly to the inside of

the right wheel guard and fasten with two 5/16-

18 x 1/2" hex head screws and 3/4" flat washers.

4. Each tool rest assembly (D) Fig. 4 is adjustable.

Each can be positioned slightly below the center-

line of the wheel and as close to the grinding

wheel as possible, giving maximum support to

the workpiece. Maintain a distance of 1/8" or less

between the grinding wheel and the inside edge of

the tool rest. Adjust the tool rest when the grinding

wheel wears down. When the tool rest is positioned

correctly, tighten the hardware, (C) and (F) Fig. 2.

Freehand grinding without the use of a tool rest

should always be done on the lower quarter of the

wheel.

SPARK GUARDS

The spark guard (A) Fig. 3 is mounted to the side of each

wheel guard, using a 1/4-20 x 1/4" hex head screw (B)

Fig. 3 and a 1/4" flat washer (C).

NOTE: The tab (D) Fig. 3 on the side of the spark guard

(A) must be placed in slot (E), before attaching the spark

guard (A) to the grinder.

Adjust the spark guard (A) as close as possible to the

grinding wheel so that sparks never strike the operator’s

hand. As the wheels wear down, adjust the spark guard

(A) accordingly.

ASSEMBLY

For your own safety, do not connect the machine to the power source until the machine is

completely assembled and you read and understand the entire instruction manual.

Fig. 1

Fig. 2

Fig. 3

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Delta 8" VARIABLE SPEED GRINDER GR450 User Manual Page 8

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