Inspection and maintenance periods of Crusher
Inspection and maintenance periods of Crusher
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8 Hours
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40 Hours
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200 Hours
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2000 Hours
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1. Check the level of oil in the oil tank.
2. Check oil temperature
3. Check for oil flow in the sight feed gauge or oil pressure if so equipped.
4. Check power draw on motor.
5. Check adjustment cap screws or tapered keys for tightness.
6. Check for loose fasteners or connections.
7. Check for unusual noise,indications of wear,or undue strain on crushers parts.
8. When crushing members approach wear limit check daily.
9. Check the oil flow back into the oil tank,both from the crusher and from the relief value.
10.Check that alarm system is functioning.
11.Check when stopping crusher that crusher “floats” to easy stop.
12.Check that feed to crusher is properly distributed.
13.Check that crusher has a free discharge.
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1. Check V-belts for tension wear or breaks.
2. Check for oil leaks in both pipeline and crusher.
3. Check mantle and bowl liner for tightness.
4. Check crusher setting.
5. Check end float.
6. Clean countershaft box and oil tank air breathers.
7. With bowl in crushing position,grease adjustment ring and bowl threads using grease fittings on the adjustment ring.
8. Check adjustment cap seal for tightness against bowl hopper.
9. Check for spring action or movement ring.
10.Check sheaves for dust accumulation,cracked spokes and tightness on shaft.
11.Check feed plate bolts for tightness.
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1. Release bowl assembly from its crushing position and rotate back and forth.
2. Check the lubricating oil for dirt and sludge.Change if necessary.
3. Inspect the oil strainer within the oil tank for metal chips.Occasional small metal flakes are normal.A large quantity of chips may indicate excessive pressure on bearing surfaces or possible bearing failure.
4. Check mantle and bowl liner or wear.
5. Check feed plate and feed cone for wear.
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1. Check step bearing plates for wear.
2. Check inner and outer eccentric bushing wear.
3. Inspect gear and pinion teeth for wear and check backlash and root clearances.
4. Check socket liner wear.
5. Check socket sealing ring and spring housing for wear.Also check sealing ring springd effective pressure(Standard seal only).
6. Inspect main shaft and head for wear.
7. Inspect bowl and adjustment ring threads for wear.
8. Check countershaft bushing wear.
9. Look for leakage at gaskets,packings,”O” rings，and seals.
10.Inspect oil collar gear and oil pump gear tooth wear(Integral pump only).
11.Check if rubber skirt around water chamber has clearance between the baffle ring on head and the skirt.(Water seal only)
12.Check main frame liner wear.
13.Check arm guard and countershaft box guard wear.
14.Check for any cracked welds.
15.Change oil in oil tank.
16.Check the springs around the outside of the crusher for the proper installed length.
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Related terms: Jaw crusher Impact crusher Cone crusher VSI crusher Vibrating feeder Vibrating screen Crushing plant Grinder mill
