Remington 489, 490 operating instructions Know Your Fastening Base Material

Safety Precautions

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G 018

7.An operator taking medication should take extra precau- tions while handling the tool. NEVER drink alcoholic bever- ages or take medications which impair your vision, balance or judgement before using a powder actuated tool.

KNOW YOUR FASTENING BASE MATERIAL

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			CENTER
			PUNCH TEST
		482-26	482-27
Sinks in		Point
with		flattens
average
hammer
blow
TOO	482-28	TOO HARDG
G 018			018
			482-29
Surface		Start
shatters		1	2
		GRAY	BROWN
		3	4
		GREEN	YELLOW
G 018 482-30			482-31

1.ALWAYS know the thickness and type of base material into which you are fastening. NEVER GUESS. Test the base material by using the Center Punch Test. The Center Punch Test is performed by using a hammer to test drive the particular power fastener to be used into the material. If the point penetrates easily, the material is too soft. If the point becomes blunt, the material is too hard. If the material fractures, cracks or shatters, the material is too brittle. Test fastenings can be made if the material shows a clear fastener impression and the fastener point is not blunted. Always start with the lowest powder load (Gray-Level 1) and proceeding with the order shown in the lower right-hand figure above. ALWAYS wear approved eye protection.

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