M7 - MIGHTY SEVEN - Complete air tool solutions

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Air Sander

QB-43902

Air Random Orbital Sander / Self-Generated-Vacuum

?          Rubber palm grip allows one hand operation.
?          Special rubber shroud provides maximum vacuum and no air leak.
?          Air hose and vacuum hose are both included.
?          3/16”(5mm) orbit for fine finishes.
?          U.S.A.made urethane pad with 6 hole of hook (Velcro) type.
?          Excellent for refinishing or smoothing the surface of metal, wood, leather…etc.

Pad Dia Inch (mm)	Free Speed R.P.M.	Avg. Air Consumption CM (L/min)	Air Pressure PSI (bar)	Overall Length inch (mm)	Motor HP	Net Weight LBS (kg)	Air Hose inch	Sound Pressure EN ISO 15744 dBA	Vibration Level m/s²

6" (152)	10000	3.85 (109)	90 (6.3)	8-3/4" (221)	0.24	3.39 (1.54)	3/8"	83.0	1.4

Problem (phenomenon)

Possible Cause

Recommended solution

	The tool runs automatically or tool will not shut off.
	Torque decreases slightly.
	Sound of air leaking.

Dust jam.

	Clean and remove the dust from the air inlet.
	Clean the throttle valve.
	Apply a few drops of recommended pneumatic oil into the air inlet.
	Pull the trigger and run for several seconds to get rid of the dust.

	Severe torque loss, but will still run at full free speed.
	Tool will not run.

The rotor blades may be damaged,

Check and replace new ones, if necessary.

The pad may not be correct.

Check and replace with the correct one.

The screws may be loose.

Tighten all the loose screws.