Allied AR110C, Safety, Operation And Maintenance, Page: 47 / 60

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13.0 Troubleshooting [cont’d]
Condition Possible Cause Corrective Action
(cont'd)
Irregular Start /
Erratic Operation
Operating pressure too low Refer to section “Operating Pressure Too Low”
Improper Breaker operation
Tool binding in bushing
Maintain right angle to work surface. Refer to
operating technique Section 6.
Check breaker tool is receiving sufficient lubrication.
Check operation of Autolube. Use Chisel Paste
Breaker tool / bushings are worn
Return line pressure too high Refer to section “Return Line Pressure Too High”
Control valve [Carrier]
misadjusted or malfunction Incorrect working mode. Check for mechanical or pilot
circuit failure
Hydraulic oil overheating
Oil temperature should not exceed 176

F [80

C]
Low Frequency
(BPM)
Always Low or
Starts Normal then
Falls Lower
Flow too low
Measure oil Flow – Set to value listed in the
specifications section of this manual
Leakage in hydraulic circuit
[Carrier]
Test hydraulic components for malfunction
Oil viscosity too low
Consult carrier manufacturer for recommended oil
type
Hydraulic oil is overheated Refer to section “Operating Temperature Too High”
Return line pressure too high Refer to section “Return Line Pressure Too High”
Breaker tool is binding
Maintain right angle to work surface. Review operating
technique Section 6.
Check breaker tool is receiving sufficient lubrication.
Check operation of Autolube. Use Chisel Paste
Breaker tool / bushings are worn
Excessive pulsations
in pressure hose
No gas charge in accumulator Stop breaker operation until accumulator is repaired