AJ 1000M, Руководство по эксплуатации и список запасных частей

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Symptom Cause Required action
No
blow out
∎ Excessive back head gas pressure
∎ Stop valve closed
∎ Lack of hydraulic oil
∎ Wrong adjustment of pressure
reducing valve
∎ Faulty hydraulic hose connection
∎ Oil back head infection
∎ Re-adjust N
2
gas pressure
∎ Open stop valve
∎ Fill hydraulic oil
∎ Tighten or replace
∎ Replace back head o-ring, or
step seal of seal retainer
Low
impact
power
∎ Line leakage or blockage
∎ Clogged tank return line filter
∎ Lack of hydraulic oil
∎ Hydraulic oil contamination, or
heat deterioration
∎ Poor main pump performance
∎ Back head N
2
gas low
∎ Low flow rate by mis-adjustment
off low control pressure reduction valve
∎ Chisel out of range for blowing
position
∎ Check lines
∎ Wash filter, or replace
∎ Fill hydraulic oil
∎ Replace hydraulic oil, rinse tank
and replace hydraulic oil inside lines
∎ Call an authorized service man
∎ Refill N
2
gas
∎ Re-adjust reduction valve
∎ Rush down Tool by excavator
operation
Irregular
impact
∎ Low accumulator gas pressure,
of bad accumulator
∎ Bad piston or valve sliding surface
∎ Piston moves down/up to blank
blow hammer chamber
∎ Refill N
2
gas
∎ Call an authorized service man.
∎ Rush down tool by excavator
operation
Gas
leakage
∎ O-ring damage in related parts ∎ Replace relevant O-ring
Oil leakage ∎ Cylinder seal kit worn
∎ Replace seal kit
7. Trouble Shooting Guide
(1) Problems in operation
If the breaker does not work or blow frequency and blow power get worse, check the
arranging method. And then inspect according to the following order.