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11

Preventative Maintenance Check-List & Recommended Spare Parts List

Check 

Daily  

Weekly  

50hrs 

Every 

       Every 

        Every 

 

 

 

 

500 hrs 

      1500 hrs 

       3000 hrs

Oil Level/Quality 

X

Oil Leaks 

X

Water Leaks 

X

Belts, Pulley 

 

X

Plumbing 

 

X

Recommended Spare Parts

Oil Change (1 Quart)  

 

 

     X 

 

Seal Kit (1 kit/pump) 

 

 

 

 

            X 

(See page 5 for kit lit) 

 

 

Valve Spare Parts (1 kit/pump) 

 

 

 

 

 

            X 

(See page 5 for kit list) 

 

 

 

 

 

 

 

 

PUMP SYSTEM MALFUNCTION

MALFUNCTION 

CAUSE 

REMEDY

The Pressure and/ 

Worn packing seals 

Replace packing seals

or the Delivery 

Broken valve spring 

Replace spring

Drops 

Belt slippage 

Tighten or Replace belt

 

Worn or Damaged nozzle 

Replace nozzle

 

Fouled discharge valve 

Clean valve assembly

 

Fouled inlet strainer 

Clean strainer

 

Worn or Damaged hose 

Repair/Replace hose

 

Worn or Plugged relief valve on pump 

Clean, Reset, and Replace worn parts

 

Cavitation 

Check suction lines on inlet of  

 

 

 

pump for restrictions

 

Unloader 

Check for proper operation

Water in crankcase 

High humidity 

Reduce oil change interval

 

Worn seals 

Replace seals

Noisy Operation 

Worn bearings 

Replace bearings, Refill crankcase  

 

 

oil with recommended lubricant

 

Cavitation 

Check inlet lines for restrictions

 

 

and/or proper sizing

Rough/Pulsating 

Worn packing 

Replace packing

Operation with 

Inlet restriction 

Check system for stoppage, air  

Pressure Drop 

 

leaks, correctly sized inlet   

 

 

 

plumbing to pump

 

Accumulator pressure 

Recharge/Replace accumulator

 

Unloader 

Check for proper operation

 

Cavitation 

Check inlet lines for restrictions    

 

 

and/or proper size

Pressure Drop at Gun 

Restricted discharge plumbing 

Re-size discharge plumbing to  

 

 

 

flow rate of pump   

 

 

   

 

 

Excessive 

Worn plungers 

Replace plungers

Leakage 

Worn packing/seals 

Adjust or Replace packing seals

 

Excessive vacuum 

Reduce suction vacuum

 

Cracked plungers 

Replace plungers

 

Inlet pressure too high 

Reduce inlet pressure

High Crankcase 

Wrong Grade of oil 

Giant oil is recommended 

Temperature 

Improper amount of oil in crankcase 

Adjust oil level to proper amount

Содержание MP4130-3100

Страница 1: ...nstallation Instructions page 2 Pump Specifications page 3 Exploded View page 4 Parts List Kits page 5 Repair Instructions page 6 10 Torque Specifications page 10 Pump Mounting Selection Guide page 10...

Страница 2: ...sistance 1 The pump should be installed flat on a base to a maximum of a 15 degree angle of inclina tion to ensure optimum lubrication 2 The inlet to the pump should be sized for the flow rate of the...

Страница 3: ...e on pumps output due to variations in pulleys belts and motors among manufacturers 1 Select GPM required then select appropriate motor pulley from the same line 2 The desired pressure is acheived by...

Страница 4: ...4 MP4130 3100 MP4135 3100 Exploded View...

Страница 5: ...39 07271 Pressure Ring 6 40 07272 V Sleeve 9 41 07273 Support Ring 6 42 07353 Tension Spring 3 42A 06103 Tension Plug 3 42B 06736 O Ring Tension Plug 3 43 04152 Valve Casing 1 44 07280 0100 Valve Sea...

Страница 6: ...shers 50A Tap the back of the mani fold with a rubber mallet to dislodge and slide it off the studs 49 6 To remove the inlet valve assembly insert a 13mm socket with extension through the rear of the...

Страница 7: ...washer 50A and second nut on each stud Tighten the nuts against each other Hold the front nut with one wrench and remove the stud bolt by turning the rear nut coun terclockwise with another wrench To...

Страница 8: ...ng 21 Inspect the surfaces of the crosshead plunger assembly 25 and connecting rods 24 for heavy scoring or galling due to poor lubrication Check for play at the joint between connecting rod crosshead...

Страница 9: ...32 Inspect the ceramic plungers 29B and replace them if necessary Clean the ends of the ceramic and remount onto the crosshead plunger assembly Make certain that the end of the plunger which is not co...

Страница 10: ...ing washer 50A and tighten the manifold stud nuts 50 to 696 inch pounds 79 Nm 37 Place the entire discharge assembly into discharge port making certain the assembly is properly seat ed Install dischar...

Страница 11: ...loader Check for proper operation Water in crankcase High humidity Reduce oil change interval Worn seals Replace seals Noisy Operation Worn bearings Replace bearings Refill crankcase oil with recommen...

Страница 12: ...of the buyer or third party 2 Normal wear and tear to standard wear parts 3 Use of repair parts other than those manufactured or authorized by Giant 4 Improper use of the product as a component part...

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