Adjusting Torque Control Figure G | Porter-Cable PC1800HD, 90550130

90550130 PC1800HD hammer drill 4/3/09 2:40 PM Page 10

Operating Instructions

Trigger Switch & Forward/Reverse Button - Figure F

The drill is turned ON and OFF by pulling and releasing the trigger switch (1) shown in figure F. The farther the trigger is depressed, the higher the speed of the drill. A forward/reverse control button (2) determines the direction of the tool and also serves as a lock off button. To select forward rotation, release the trigger switch and depress the forward/reverse control button. To select reverse, depress the forward/reverse control button in the opposite direction. The center position of the control button locks the tool in the off position. When changing the position of the control button, be sure the trigger is released.

F	14
	14
	12
	10
	8
	2
	1

Adjusting Torque Control - Figure G

This tool is fitted with a torque adjustment

collar (3) to select the operating mode and	G
to set the torque for tightening screws. Large		14
screws and hard workpiece materials require		14
screws and hard workpiece materials require
a higher torque setting than small screws		12
and soft workpiece materials.	3	12
and soft workpiece materials.	3
• For drilling in wood, metal and plastics,		10
set the collar to the drilling position		10
set the collar to the drilling position
symbol		8

•For screwdriving, set the collar to the desired setting. If you do not yet know the appropriate setting, proceed as follows:

•Set the collar to the lowest torque setting.

•Tighten the first screw.

•If the clutch ratchets before the desired

result is achieved, increase the collar setting and continue tightening the screw. Repeat until you reach the correct setting. Use this setting for the remaining screws.

Hammer Action

Your drill has hammer action which is engaged by twisting the torque collar to the hammer symbol . Use hammer action when drilling in masonry.

Dual Range Gearing - Figure H

The dual range feature of your drill allows you to shift gears for greater versatility. To select low speed, high torque setting (position 1), turn tool off and permit to stop. Slide gear shifter button (4) away from the chuck. To select the high speed, low torque setting (position 2), turn tool off and permit to stop. Slide gear shifter button back (towards the chuck).

NOTE: Do not change gears when tool is running. If you are having trouble changing gears, make sure that the dual range gear button is either completely pushed forward or completely pushed back.