Multiquip C30HDZ manual Maintenance Pump, Preventive Maintenance, General Clean-up Procedure

Preventive Maintenance

It is extremely important to maintain this pump due to the highly abrasive nature of concrete material.

1.Inspect all drive components for loose or worn bolts.

2.Drivebelt/chainshouldbecheckedtoremoveallslack.Refer to adjustment procedure.

3.ALWAYS carry extra “O”rings.

4.Keep entire pump clean of concrete to prevent build-up.

5.ALWAYSgrease every fitting daily.Use only premium grade grease.

NOTE	Over greasing will not damage
	pump.

MAINTENANCE (PUMP)

General Clean-up Procedure

1.Ensure that there is no blockage in the hose and line (Pumping Tips, step 8) or in the manifold (Pumping Tips, step 7). If a blockage exists, clear it to ensure proper operation the next time it is used. At the end of every pour, or during long delays during a pour, the pump and delivery system must be thoroughly cleaned by removing all con- crete material.

2.Proper wash out of all materials or build up within the pump manifold and hoses following the pumping opera- tion will prevent problems when starting the next job.After completion of the pour, pump the remaining concrete in the hopper through the discharge line.

To avoid the possibility of separation

NOTE during clean-up, do not pump the concrete below the inlet ball in the

hopper. It is best to leave approxi- mately3to4inchesofconcreteabove the inlet ball.

3.Turn the pumpengineoffbeforefillingthe hopperwithwater. Enginevibrationatidlemay“separate”materialinthehopper, causing jamming in manifold when pumping is resumed.

4.Fill hopper with water and resume pumping.The water will pushtheconcretethroughtheline.Whenthewaterrunsclear at the end of the hose, disconnect lines and shake out all the sandandsedimentsothelineswillbecleanforthenextpour.

5.It is important that the hinged discharge cone on the pump manifold be opened and all remaining concrete (rock and sand) be thoroughly washed out. This must be done after each job to prevent concrete build up in the discharge manifolds and 3”discharge elbow.

MAYCO C30HDZ PUMP — OPERATION AND PARTS MANUAL — REV. #12 (04/03/12) — PAGE 37