18
BPD
-
680/750 Post Hole Driver
Troubleshooting
Problem
Possible Cause
Solution
Slow speed
Low flow
Check the flow meter; if low investigate the
cause
Line restrictions
Clear lines
Fittings or connections too small
Replace with proper fittings
The oil filter is dirty
Replace the oil filter
The hydraulic pump is worn or damaged
See dealer for repair
Insufficient digging
power
The teeth or auger point are worn
Replace worn parts
Low system pressure
Check the pressure gauge; if low, investigate
cause
Relief valve damaged or set incorrectly
Adjust or replace the relief valve as required
Excessive load
Reduce the load to remain within machine spec-
ifications
The hydraulic oil pump is in poor performance
Have the oil pipeline inspected by the excavator
manufacturer
Reverse direction
Hydraulic hoses are reversed
Re
-
install hydraulic hoses in correct order
Excessive oil heating
Line restrictions
Clear lines
Hydraulic fluid is dirty
Replace hydraulic fluid and filter
Insufficient amount of hydraulic fluid
Fill the reservoir to proper level
Oil leaks
Hoses and/or fittings are loose or damaged
Tighten or replace parts as required
Hydraulic motor seals are worn or damaged
See dealer for repair
Содержание BPD-680
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