Grizzly T25100 owner manual Service, Troubleshooting, Symptom Possible Cause Possible Solution

SECTION 7: SERVICE

Review the troubleshooting and procedures in this section if a problem develops with your machine. If you need replacement parts or additional help with a procedure, call our Technical Support at (570) 546-9663. Note: Please gather the serial number and manufacture date of your machine before calling.

Troubleshooting

Symptom	Possible Cause		Possible Solution
Tool does not turn	1.	Control box fuse is blown.	1.	Replace control box fuse (0.5A, Fast-Acting)
on.	2.	Power source turned OFF at breaker.	2.	Make sure circuit breaker is turned ON.
	3.	Wall fuse/circuit breaker is blown/tripped;	3.	Troubleshoot/repair source cause of overload;
		short in electrical system.		replace weak breaker; find/repair electrical short.
	4.	ON/OFF switch at fault.	4.	Replace switch.
Poor adhesion.	1.	Workpiece not properly cleaned/pre-treated	1.	Thoroughly clean workpiece; research/perform
		prior to spraying.		pretreatment recommendations for workpiece
				material and powder.
	2.	Coating under/over-cured.	2.	Follow powder manufacturer's curing instructions.
	3.	Powder coat too thick.	3.	Reduce powder coat thickness when spraying.
Uneven spray	1.	Blockage in spray gun body/powder cup.	1.	Disconnect tool from power, ground conducting
pattern, intermittent				pole, put on protective gear, and use air pressure to
powder flow.				thoroughly clean spray gun and powder cup.
	2.	Damp powder.	2.	Check powder source; replace powder if
				contaminated; replace in-line moisture filter(s).
	3.	Air pressure low.	3.	Increase air pressure up to 30 PSI.
	4.	Powder flow regulating screw too tight.	4.	Loosen screw to increase powder flow.
Chipping after	1.	Workpiece not properly cleaned/pre-	1.	Thoroughly clean workpiece; research/perform
curing.		treated.		pretreatment recommendations for workpiece
				material and powder.
	2.	Powder coat too thick.	2.	Reduce powder coat thickness when spraying.
Cratering after	1.	Powder is contaminated.	1.	Thoroughly clean spray gun/powder cup; replace
curing.				power with new.
	2.	Workpiece not properly cleaned/pre-treated	2.	Thoroughly clean workpiece; research/perform
		prior to spraying.		pretreatment recommendations for workpiece
				material and powder.
	3.	Damp powder.	3.	Check powder source; replace powder if
				contaminated; replace in-line moisture filter(s).
Off color after	1.	Oven not properly ventilated.	1.	Make sure oven is well ventilated during curing.
curing.	2.	Incorrect curing time/temperature.	2.	Follow powder manufacturer's curing instructions.
Orange peel.	1.	Warming up of powder coat is too slow or	1.	Check curing oven for proper operation; follow
		too fast.		powder manufacturer's curing instructions.
	2.	Powder heat-damaged prior to spraying.	2.	Thoroughly clean spray gun/powder cup; replace
				powder with new.
	3.	Coating too thin.	3.	Increase coating thickness when spraying.

-18- Model T25100 (Mfg. Since 8/12)