Construction

Function of the hammer components.

Models:H45H50H63H70H90CH100

Small Hammer Component ID

Side plateLow Pressure Accumulator

Distributor Valve

High Pressure Accumulator

Pressure Adjusting ValveCylinderPistonTie Rod

Front headThrust RingUpper Tool BushingTool Retainer PinLower Tool Bushing

Tool

Front Head

Transfers forces from tool into side plates.

Supports tool guidance system.

Tool Bushings

Align tool with the piston.

Provide contact surfaces with tool.

Field replaceable for betterserviceability.

Tool Retainer Pin Prevents tool from falling out.

Absorbs partial impact loads of idle strokes.

Transfers impact loads to front head on idle strokes.

Thrust Ring

Positions tool for correctcontact with piston.

Absorbs shock loads fromtool.

Tie Rod Assembly

Holds assembly together.

Absorbs partial impact loadsfrom idle strokes.

Assembled as a matched pair.

Piston

Transfers hydraulic power into a shock wave transmitted thru the tool.

Distributor Valve

Directs oil flow for piston movement.

Connects top of piston totank on upward stroke.

Connects top of piston toinlet pressure on downwardstroke.

Pressure Adjusting Valve - PAV Supplies oil to the low pressurecircuit on start-up.

Assures a constant force in the Low pressure circuit.

Functions like a pressure reducing valve.

SpringSpool

Accumulators

LP accumulator (top) Stores energy for the impact stroke. Transmits energy thru the low pressure circuit to the piston.

HP accumulator (back) Dampens pulsation in pressure line.

Prevents internal cavation.

LP

HP

Accumulator Nitrogen (N2) pre charge

Positions membrane for proper operation

Low pressure - pre charge Sets maximum energy output.

High pressure - pre charge Minimizes effects of pulsation on hydraulic system

N2

Oil