Multiquip manual CDM1H HAND-HELD Core Drill Troubleshooting

Page 18

CDM1H HAND-HELD CORE DRILL — TROUBLESHOOTING

TABLE 4. CORE DRILL TROUBLESHOOTING

SYMPTOM

POSSIBLE PROBLEM

SOLUTION

 

 

 

 

Steel bar or stone, etc. is

Immediate turn SWITCH OFF.

 

caught between core and BIT.

Bit is stuck.

 

 

 

Excessive wear, bit tip has

Try to rotate BIT in both directions using spanner to lift it out.

 

 

become flush with shank.

 

 

 

 

 

 

 

Replace BIT.

 

 

 

 

Waste water is contaminated

Immediately check the waster water. Adjust the pressure on so as

 

with steel chip, DRILL is cutting

 

not to overload MOTOR.

 

rebar.

 

 

 

 

 

 

Bit is worn.

Immediately check BIT for abrasion. Replace BIT.

 

 

 

Drilling is slow in normal

Diamond is not exposed on TIP

Immediately check BIT for abrasion. Dress BIT.

surface.

operation.

 

 

 

 

Chips are deposited on BIT

Immediately check BIT for abrasion. Increase water feed pressure.

 

Dress or Brush BIT with a wire.

 

surface.

 

 

 

 

 

 

Steel chips are scorched on BIT

Immediately check BIT for abrasion. Remove steel chips.

 

surface.

 

 

 

 

 

PAGE 18 —CDM1H CORE DRILL — OPERATION AND PARTS MANUAL — REV. #6 (09/08/10)

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Contents Model CDM1H CDM1H HAND-HELD Core Drill Proposition 65WARNING CDM1H HAND-HELD Core Drill Silicosiswarning Silicosis WarningCDM1H HAND-HELD Core Drill -TABLE of Contents CDM1H HAND-HELD Core Drill Parts Ordering Procedures Ordering parts has never been easierCDM1H HAND-HELD Core DRILL- Safety Message Alert Symbols Foryour Safety and the Safety of OthersGeneral Safety CDM1H HAND-HELD Core Drill Rules for Safe OperationElectrical Safety Maintenance TransportingEmergencies CDM1H HAND-HELD Core Drill General Information CDM1H HAND-HELD Core Drill SPECIFICATIONS/DIMENSIONS CDM1H Core Drill DimensionsCDM1H HAND-HELD Core Drill Components Drilling with a MQ Cobra Bit CDM1H HAND-HELD Core Drill PRE-SETUPBefore Starting DrillingWith Standard DRY/WET Core BitsConnecting Water to the Core Drill Attaching the Cobra Core Bit to the Core DrillApplying Power to the Core Drill Connecting the PowerBefore Operating Water Valve on PositionCDM1H HAND-HELD Core Drill SHUTDOWN/MAINTENANCE MaintenanceShutdown CDM1H HAND-HELD Core Drill Troubleshooting Core Drill TroubleshootingCDM1H HAND-HELD Core Drill -WIRING Diagram Core Drill Explanation of Code in Remarks Column QTY. ColumnCDM1H HAND-HELD Core Drill Suggested Spare Parts QtyCDM1H HAND-HELD Core Drill Nameplate and Decals CDM1H HAND-HELD Core Drill Nameplate and Decals Part NameCDM1H HAND-HELD Core Drill Core Drill Assy Gear Case CDM1H HAND-HELD Core Drill Core Drill Assy Part Name QTY CDM1H HAND-HELD Core Drill -CARRYING Case /TOOLS/ADAPTER Part Name QTY Remarks MM Allen WrenchTerms and Conditions of Sale -PARTS CDM1H Core Drill Operation and Parts Manual REV. #6 09/08/10 HERE’S HOW to GET Help
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