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Defines DANGER, WARNING, CAUTION, ATTENTION levels for safety notices.
Critical instruction to protect operators from flying debris during operation.
Describes the manual's content, NPK's product philosophy, and support contacts.
Provides recommended carrier weight ranges for matching hammers to equipment.
Lists key performance data including impact energy, frequency, weight, and dimensions.
Details the location for identifying the hammer's unique serial number.
Details hydraulic connection routing and types of control valve systems.
Critical steps to prevent hydraulic system contamination during operation and maintenance.
Guidance on using approved quick disconnects to prevent damage and ensure performance.
Procedures for attaching and detaching the hydraulic hammer to the carrier.
Step-by-step guide for manual greasing of hammers without autolube systems.
Specifies recommended grease types, brands, and greasing schedules for optimal performance.
Explains the benefits, function, and components of NPK's automatic lubrication system.
Detailed procedure for priming the autolube system's grease lines before use.
Glossary of terms related to lubricants, grease, and hydraulic fluids.
Procedures for initial operation of new, rebuilt, or long-idle hammers.
Pre-operation inspection and warm-up procedures before commencing hammer use.
General safety guidelines for operating the hydraulic hammer safely and effectively.
Best practices for efficient and safe hammer use, including preload and downforce.
Warning against angled hammer operation to prevent damage and ensure efficiency.
Guidance on proper hammering methods, avoiding continuous hammering in one spot.
Warnings about dropping, misuse for moving objects, and cylinder stroke limits.
Specific warnings for underwater operation and cooling hot tools.
Explains how energy is transmitted via stress waves through the tool to the material.
Covers inspection of fasteners, welds, hoses, tubing, and hydraulic oil.
Emphasizes keeping the tool bushing contact area adequately greased.
Instructions for checking tool and bushing wear and determining replacement needs.
Details specific weekly checks for welds, retaining pin, demolition tool, and gas charge.
Describes different demolition tool types (Chisel, Moil, Blunt, Core) and their applications.
Explains how to identify NPK demolition tools using stamped numbers in the retaining pin slot.
Procedures for removing and reinstalling the demolition tool and retaining pin.
Guidelines for checking tool-bushing gap and determining wear limits for replacement.
Instructions for re-sharpening worn chisel tools by machining, with dimensional specifications.
Specifications for new tool dimensions including diameter, total length, and working length.
How to inspect the tool retaining pin for wear and proper function.
General inspection points for tools, including deformation, chipping, and impact surfaces.
Details NPK's tool warranty, user responsibilities, and specific exclusions.
Causes, characteristics, and prevention of tool breakage from bending overload or slant hammering.
Explains how worn tool holder bushings lead to improper piston impact and tool breakage.
Describes chipping of the tool's retaining pin slot area due to blank hammering.
Covers deformation of the tool tip and retaining pin slot sides from overheating or incorrect use.
Discusses tool issues arising from low temperatures (brittleness) or high temperatures (deformation).
Explains how corrosion and defective materials can cause tool breakage.
Tables listing torque values for various socket head cap screws and hex head bolts.
Specific torque values for hammer bracket bolts, noting reduced values for some locations.
Required nitrogen gas pressures for the hammer at ambient and operating temperatures.
Lists the parts included in the NPK gas charging kit for servicing.
Procedure for measuring the nitrogen gas pressure in the hammer.
Procedure for charging the hammer with nitrogen gas using the charging kit.
Procedure for safely releasing nitrogen gas pressure from the hammer.
Explains how dealers and end-users can register new units for warranty.
Details the base, extended, and super extended warranty periods for hydraulic hammers.
Outlines the 90-day warranty terms for NPK replacement parts.
Specific warranty coverage for the NPK Autolube System components.
Sections provided for logging NPK hammer, installation kit, and carrier information.
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