cg-550/030/a/gt/hp maintenance & operating instructions - Field ...

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SERVICE GUIDEPROBLEM PROBABLE CAUSE SOLUTIONPumps water O.K., willnot pump grout.Grout mix too "thick", doesnot enter pump chamberAggregate too large,preventsball from seating.Aggregate segregations inDischarge hose. (“SandPlugs”)Add water to grout mix, butbe careful not to dilute mix soMuch as to cause aggregateto segregate.Change to smalleraggregate, or screen outlarger particles.Drain residual water fromDischarge hose prior topumping grout.Aggregate improperlygraded;change aggregate.Pump stalls on dischargestroke.Pump runs but does notdischarge.Piston will not reversedirectionPump strokes unevenlyor too slowly.Grout material hasexcessive Coefficient ofinternal friction.Pump discharge or hoseplugged with grout.Grout not entering pumpChamber.Directional valve spool“stuck”Misadjusted shuttle valve.Some premixed groutmaterials are not pumpable.See section on grout mixrecommendations.Disconnect discharge hose,check pump, clean out hose.Grout too "thick" orobstruction in hopper.Shift spool manually withsmall diameter object, suchas a nail or awl.Readjust shuttle valveadjusting screws (13); turnout to increase speed and into decrease speed.®
SERVICE GUIDE cont’dPROBLEM PROBABLE CAUSE SOLUTIONPump does not run. Insufficient air supply. Check air at source.Require30 CFM at 100 PSI.Pump fluid end plugged. Remove staples (3),disassemble pump andcheck sleeve (3) forobstruction.Directional valve spool“stuck”Obstruction in air supplyline or filterShift spool manually withsmall diameter object,such as a nail.Disconnect air line,determine clear. Removecover and clean air filter.Low discharge Low air pressure. Check air supply pressure;pressure. Should be 100PSI.Grout or fluid leakagearound piston.Excessive clearancebetween piston andsleeve.Replace piston cupsExcessive piston wear Dirty or scored sleeve. Clean residual materialfrom sleeve (8), or replacesleeve, if scored.®
Page 1 and 2: CG-550/030/A/GT/HPMAINTENANCE & OPE
Page 4 and 5: TABLE OF CONTENTSSECTIONSUBJECT1. G
Page 6 and 7: CG-550/030/A/GT/HPGENERAL DESCRIPTI
Page 8 and 9: OPERATING INSTRUCTIONSGENERAL* * *
Page 10 and 11: SECTION 3GROUT SUGGESTIONS®
Page 12 and 13: MIXING AND PUMPING SUGGESTIONSNOTE:
Page 14 and 15: ADDITIONAL SUGGESTIONS“HOMEMADE
Page 16 and 17: U. S. Standard Sieve Numbers1003/8
Page 18 and 19: 14 151727A10 10A17A182122231923 3A
Page 20 and 21: SECTION 5GROUT PUMP INSTRUCTIONS®
Page 22 and 23: CG-030/A/HPCOMPONENT PARTS LISTREF.
Page 26 and 27: EXPLANATION OF AIR CYLINDER TIMING
Page 28 and 29: SECTION 6AIR MOTOR INSTRUCTIONS®
Page 30 and 31: ServicingIf the motor is sluggish o
Page 32: Recommendations For Air Operated Eq

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