Numa Patriot 180, Инструкции по уходу и обслуживанию

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09/19/16 Page 9
Patriot
®
180
SNAP RING
• Inspect the snap ring for severe wear indications.
•
Remove or round over any sharp edges.
•
Replace if necessary.
PISTON
•
Inspect the striking face, inside and outside diameters for nicks, scoring and cracks.
• Polish the piston with emery cloth to remove all minor irregularities, cracked pistons
should be replaced.
•
Wash the piston thoroughly, inside and out, to remove all emery dust.
CASE
•
Inspect the outside diameter for excessive wear or cracks. Inspect the internal case
bore for scoring.
• Remove all minor irregularities with fine honing stones.
•
Clearance between the piston and the case should not exceed 0.020" (0.5 mm).
•
Replace if the outside diameter is worn to 14-3/4" (375 mm) or less near the chuck
end.
BIT BEARING
•
Inspect the inside and outside for nicks and burrs.
•
Remove all internal irregularities with a fine honing stone.
•
Remove all external irregularities with an emery cloth.
• Clearance between the bit shank and bit bearing should not exceed 0.030" (0.76 mm).
•
Replace if necessary.