AJ 1000M, Operations Manual & Parts List

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Pressure line
vibration
∎ Accumulator gas leakage
∎ Accumulator diaphragm damage ∎ Replace o-ring, or refill N
2
gas
∎ Replace diaphragm
Bad chisel
movement
∎ Chisel diameter incorrect
∎ Chisel jammed from chisel pin wear
∎ Jammed lower bush and chisel
Deformed chisel and piston contact
area
∎ Replace chisel with genuine
replacement parts
∎ Smoothen rough surface of chisel
∎ Smoothen rough surface of lower
bush interior
∎ Replace chisel
Trouble Cause Remedy
Gas leakage from the
top of charging valve
∎ Defective or damaged
charging valve ∎ Repair or replace
charging valve
Gas leakage between
charging valve and
back head
∎ Defective o-ring in
charging valve
∎ Charging valve loose in
back head
∎ Replace
∎ Re-tighten
Gas leakage between
cylinder and back head
∎ Defective o-ring in back
head
∎ Replace
Gas leakage
from drain plug hole
∎ Defective gas seal in seal
retainer
∎ Defective step seal in
seal retainer
∎ Seizing of piston and
seal retainer
∎ Repair or replace seal
retainer and piston
(2) Gas leakage