LS600 PUMP — MAINTENANCE (PUMP)

WEAR PLATE AND CUTTING RING

It is important that the wear components be inspected

Due to the abrasive nature of concrete, it is normal for the

weekly for proper sealing. Failure to inspect will

eventually cause severe damage to the nun-plate and

cutting ring to wear on its sides as it shears through the

material cylinders. Visually inspect wear plate and

concrete inside the hopper. The metal-to-metal friction and

cutting ring to ensure surfaces are sealed against each

the abrasiveness of the concrete will cause extreme wear

other. If a deep groove or a wide space has developed

and reduce sealing capability between the cutting ring and

on the sealing surfaces, it is time for replacement.

wear plate. If the two components do not properly seat

 

 

 

 

 

against each other, slurry will pump into the hopper rather

Due to the motion of the Shuttle tube, the cutting ring

than out the discharge line. See Figure A. This condition

experiences a quicker rate of wear as opposed to the wear

can easily be observed:

plate.The wear ring typically requires replacement two times

1. The sudden change of the level of concrete inside the

per wear plate (2 to 1). When replacing the wear ring, also

replace the rubber energizer ring.

hopper during each pumping stroke

 

 

 

 

 

2. Concrete slurry squirting into the air from the hopper

 

 

 

 

 

(Volcano effect)

58%%(5

 

&877,1*

3. When the output volume at the end of the delivery line

(1(5*,=(5

 

 

 

5,1*

decreases in pressure

 

 

 

:($5

4. Unusual frequent material packs in the Shuttle tube

 

 

 

3/$7(

 

 

 

 

 

6+877/(78%(

 

 

 

 

 

 

 

 

,16,'(+233(5

 

 

 

 

*22'6($//($.,1*

Figure A. Wear Plate and Cutting Ring

PAGE 40 — MAYCO LS600 PUMP — OPERATION AND PARTS MANUAL — REV. #4 (9/15/11)

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Multiquip manual LS600 Pump Maintenance Pump

LS600 specifications

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