Porter-Cable 36-678, 36-649, 36-675, 36-679 Raising and Lowering Blade, Tilting the Blade

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RAISING AND LOWERING BLADE

To raise the saw blade, loosen lock knob (A) Fig. 44, and turn the blade raising handwheel (B) clockwise. When the blade is at the desired height, tighten lock knob (A).

To lower the blade, loosen lock knob (A) Fig. 44, and turn the handwheel (B) counterclockwise. NOTE: One full turn of the handwheel will change blade height approxi- mately 1/4".

TILTING THE BLADE

To tilt the saw blade for bevel cutting, loosen lock knob

(C)Fig. 44, and turn the tilting handwheel (D). When the desired blade angle is obtained, tighten lock knob (C).

ADJUSTING 90 DEGREE AND 45 DEGREE POSITIVE STOPS

Your saw is equipped with positive stops that will quickly and accurately position the saw blade at 90 degrees and 45 degrees to the table. To check and adjust the positive stops, proceed as follows:

AC

BD

Fig. 44

1. DISCONNECT MACHINE FROM

POWER SOURCE.

2. Raise the saw blade to its highest position.

A

F

B

3.

Set the blade at 90 degrees to the table by turning

the blade tilting handwheel counterclockwise as far as it

will go.

4.

Using a combination square (A) Fig. 45, check to

see if the blade is at 90 degrees to the table surface as

shown.

5.

If the blade is not at 90 degrees to the table, loosen

set screw (B) Fig. 45 with a hex wrench, and turn the

blade tilting handwheel until you are certain the blade is

at 90 degrees to the table. Turn set screw (B) clockwise

until it bottoms.

6.

Adjust the pointer (D) Fig. 46, to point to the zero

degree mark on the scale by loosening screw (E),

adjusting pointer (D), and tightening screw (E).

7.

Turn the blade tilting handwheel clockwise as far as

it will go and using a combination square, check to see

if the blade is at 45 degrees to the table.

8.

If the blade is not at 45 degrees to the table, loosen

set screw (F) Fig. 45, and turn blade tilting handwheel

until you are certain the blade is 45 degrees to the table.

Turn set screw (F) clockwise until it bottoms.

Fig. 45

D

E

Fig. 46

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Contents Shown Contractor’s SawImportant Safety Instructions Table of ContentsCalifornia Proposition Safety Guidelines DefinitionsGeneral Safety Rules Important Safety InstructionsStay ALERT, Watch What YOU are DOING, Properly Support Long or Wide workpieces Additional Safety Rules for Table SawsPower Connections Motor SpecificationsGrounding Instructions Extension Cords Volt Single Phase OperationFunctional Description Carton ContentsExtension Wings Stand PartsSheet Metal Cast Iron Cast Iron Extension Extension Wings Unpacking and Cleaning AssemblyAssembly Tools Required HardwareStand to SAW Stand LegsBlade Tilting Raising Handwheel Installing Switch Motor Cord Motor to Motor Mounting Plate Disconnect Machine from Power SourceMotor and Motor Mounting Plate to SAW PIN X , Through the Inside Hole of Bracket BMotor PULLEY, Pulley GUARD, and Drive Belt Illustrates the motor cord connected to the switch assembly Connecting Motor Cord to Switch AssemblyBlade Guard and Splitter Assembly and Alignment Page Model 36-649 only ON/OFF SwitchModel 36-678 only Model 36-679 onlyOperation Locking Switch in the OFF PositionStarting and Stopping SAW Overload ProtectionTilting the Blade Raising and Lowering BladeMiter Gage Operation and Adjustment Adjusting Table InsertTable Insert a should Always be Level with the Table Open end wrench B Changing the SAW BladeCROSS-CUTTING Never USE the Fence AS a CUT-OFF Gage When CROSS-CUTTINGConstructing a Push Stick RippingUsing Moulding Cutterhead Accessory Moulding CutterheadUsing Accessory Dado Head Using Auxiliary Wood Facing on RIP Fence Power Tool InstituteConstructing a Featherboard Constructing a Push Stick TroubleshootingMaintenance ServiceWarranty Model 36-648 30 Fence and Rail System Model DescriptionModel U30 30 Unifence Model BC30 30 Biesemeyer Commercial FenceCanadian PORTER-CABLE Delta Service Centers