Stanley Black & Decker PG10 user manual Troubleshooting, Problem Cause Solution

Page 14

TROUBLESHOOTING

If symptoms of poor performance develop, the following chart can be used as a guide to correct the problem.

When diagnosing faults in operation of the grinder, always check that the hydraulic power source is supplying the correct hydraulic flow and pressure to the grinder as listed in the table. Use a flowmeter known to be accurate. Check the flow with the hydraulic oil temperature at least 80 °F/27 °C.

PROBLEM

CAUSE

SOLUTION

Grinder does not run.

Hydraulic power source not

Check power source for proper flow

 

functioning.

and pressure (7–10 gpm/26–38 lpm

 

 

@ 1500–2000 psi/ 105–140 bar.

 

Couplers or hoses blocked.

Locate and remove restriction.

 

Hydraulic motor failure.

Inspect and repair.

 

Hydraulic lines not connected.

Connect lines.

Grinder operates too slow.

Hydraulic motor speed to slow.

Check power unit for proper flow

 

 

(7–10 gpm/26–38 lpm).

 

High back-pressure.

Check hydraulic system for

 

 

excessive back-pressure (over 250

 

 

psi/17 bar).

 

Couplers or hoses blocked.

Locate and remove restriction.

 

Oil too hot (above 140 °F/60 °C) or

Check hydraulic power source for

 

too cold (below 60 °F/16 °C).

proper oil temperature. Bypass

 

 

cooler to warm oil or provide cooler

 

 

to maintain proper temperature.

 

Relief valve set too low.

Adjust relief valve to 2100–2250

 

 

psi/145–155 bar.

 

Hydraulic motor worn.

Inspect, repair or replace.

 

Flow control malfunctioning.

Have flow control serviced at an

 

 

authorized Stanley service center.

Grinder operates too fast.

Flow control malfunctioning.

Have flow control and valve body

 

 

serviced at an authorized Stanley

 

 

service center.

14 ► PG10 User Manual

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Contents Hydraulic Profile Grinder Declaration of Conformity Weisbeck, AndyTable of Contents Safety Symbols Local Safety RegulationsSafety Precautions Tool Stickers & Tags N G E RHose Safety Tags Hose TypesHose Recommendations Tool to Hydraulic Circuit Hose RecommendationsHtma / Ehtma Requirements Htma Tool Type Hydraulic System Requirements Type RROperation PRE-OPERATION ProceduresConnecting the Hoses Operating Procedures Cold Weather OperationPreventative Maintenance Tool Protection & Care Troubleshooting Problem Cause SolutionAccessories SpecificationsPG10 Parts Illustration PG10 Parts Illustration PG10 Parts List QTY DescriptionUse Part Number and Part Name when ordering Spark Guard KIT