Porter-Cable 3807 User Manual download pdf (Page 10)

WORK CLAMP OPERATION

1. The height of the work clamp (A) Fig. 22, can be

adjusted by loosening lock knob (B) and moving post (C)

up or down, or depressing lock lever (D) and sliding clamp

body (E) up or down. Af ter height of clamp (A) is adjusted,

tighten lock knob (B) and/or release lock lever (D).

2. During operation, lower clamp (A) Fig. 23, by

depressing lock lever (D), until the bottom of the clamp

(A) lightly cont act s top of workpiece (F). IMPORTANT:

When lowering clamp (A) make certain cam lever

(G) is in the up position as shown.

3. For final clamping of the workpiece (F) Fig. 24,

against the t able, lower cam lever (G) as shown. After

cut is completed, lif t lever (G). This will raise clamp (A)

slightly, allowing you to slide or remove workpiece (F).

TILTING CUTTINGHEAD FOR BEVEL CUTTING

CAUTION: DISCONNECT THE MACHINE FROM THE POWER SOURCE.

1. The cuttinghead of your compound miter saw can be tilted to cut any bevel angle from a 90 degree straight

cut-of f to a 45 degree lef t bevel angle by loosening bevel lock handle (A) Fig. 25, tilting cuttinghead (B) to the

desired angle, and tightening lock handle (A).

2. Positive stop s are provided to rapidly position the saw blade at 90 and 45 degrees to the t able. Refer to the

section of this manual titled Adjusting 90 and 45 degree bevel positive stops. The bevel angle of the cutting

arm is determined by the position of the pointer (C) Fig. 26, on scale (D).

3. In addition, an indicator (E) Fig. 26, is provided on the bevel scale at the 33.9 degree bevel angle for cutting

crown moulding. Refer to the CUTTING CROWN MOULDING section of this manual.

Fig. 22

Fig. 23

Fig. 24

Fig. 25

Fig. 26

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Porter-Cable 3807 User Manual Page 10