Bosch Power Tools 5312 Workpiece Support, Move the head assembly to check clearance with clamp

Clamp post

Clamp Hole

Screw Rod

lever

! WARNING

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Basic Saw Operations

Workpiece Support

Long workpieces have a tendency to tip over unless clamped down

and properly supported from underneath.

Clamps - The clamp easily secures a workpiece in either of two (2) clamp holes behind the fence (Figure 19 & 19a).

•Minimum of 1/2" of knurl must engage clamp post to be effective.

•Adjust screw if necessary to clear fence or for large differences in wood heights.

Workpiece Clamp (Model 5312 0nly) 1. Insert clamp post into clamp hole.

Conventional Clamps – and other hold down de- vices can be used to hold the workpiece firmly against the table and the fence.

long workpiece support

Sliding Base Extensions – These extensions pro- vide extra workpiece support and are especially use- ful when cutting long workpieces. To reposition the extensions, simply unlock the Base Extension Clamping Levers, reposition the extensions, and re- lock the levers (Figure 20). (See also Length Stop on page 27.)

Extra-long Base Extension Rods – The optional MS1222 Base Extension Kit allow the 5312 or

2.Loosen wing nut and ad- just arm to proper height, and securely tighten wing nut.

3.Rotate screw knob of the clamp clockwise to tighten, counter-clockwise to loosen.

4.Move the head assembly to check clearance with clamp.

Wing

Nut Knob

Clamp

post

Clamp

Hole

Arm

5412’s base extensions to extend out to 60”. Even after these longer rods are installed on the base, the base extensions can be fully retracted for trans- portation and storage.

figure 19. Workpiece Clamp

Quick-Action Clamp (Model 5412 only) 1. With clamp in open (lever

raised) position, insert clamp into clamp post until rubber foot comes into contact with material.

2. Press down on lever to tighten clamp.

3.Move the head assembly to check clearance with

clamp.

4.Pull up on lever to release clamp. figure 19a. Quick-Action Clamp

There may be extreme compound

!WARNING

cuts where clamp cannot be used. Support workpiece with hand outside No Hands Zone. Do not try to cut short pieces that cannot be clamped and cause your hand to be in the No Hands Zone.

Horizontal Clamp – The optional MS1221 Horizon- tal Clamp and crown stop can be mounted on either side of the tool and holds the workpiece firmly against the fence.

Clamp levers

Sliding Base Extensions

figure 20. Sliding Base Extensions

Blocks - Long pieces need extra support. The base height (3-3/4") is designed to match the standard lumber of two 2x’s and one 1x. Boards of these thicknesses can be used to create auxiliary support extensions for long workpieces (Figure 21).

Two 2x’s and One 1x’s

figure 21. Block Support

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