Tar River BPD-680, Operator'S Manual

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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