Grizzly G0641 owner manual Pneumatic System

Pneumatic System

Symptom		Possible Cause		Possible Solution
Hold-downs/blade		1.	Air pressure not adequate.	1.	Connect machine to an air supply of
pivot arms	not				70–90 PSI; adjust air regulator-lubricator and inter-
responding.					nal air regulator to 70 PSI.
		2.	Air regulator-lubricator or internal regulator	2.	Test/replace; adjust to 70 PSI.
			at fault.
		3.	Hold-down/main air cylinder at fault.	3.	Test/replace.
		4.	Hold-down/blade speed valve(s) at fault.	4.	Test/replace.
		5.	Air line pinched/clogged.	5.	Use Pneumatic System Diagram (Page 38) to trace
					air flow; check for pinched/clogged air line and air
					flow at connections; clean/repair/replace as need-
					ed.
		6.	Sub/master valve is at fault.	6.	Test/clean/replace.
		7.	Foot pedal actuator at fault.	7.	Test/clean/replace.
Hold-downs	not	1.	Hold-downs not properly adjusted.	1.	Properly adjust hold-downs for workpiece (Page
securing workpiece					19).
when cutting.		2.	Hold-downs not completely lowering before	2.	Correctly adjust hold-down and blade lowering
			blades begin cut.		speeds (Page 20).
		3.	Hold-down neoprene tips glazed or worn.	3.	Re-dress hold-down tips with fine grit sandpaper;
					replace.
Hold-downs	not	1.	Pneumatic limit switch at fault.	1.	Reposition/test/replace limit switch (Page 35).
raising after cut.		2.	Master or sub-valve at fault.	2.	Test/replace.
Blade pivot arms not		1.	Master or sub-valve at fault.	1.	Test/replace.
raising after cut.		2.	Foot pedal actuator at fault.	2.	Test/replace.

G0641 Double Miter Saw -33-