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MAYCO C-30HDNI (PRECISION) PUMP — OPERATION AND PARTS MANUAL — REV. #7 (04/03/12) — PAGE 63
APPENDIX — RECOMMENDED SHOTCRETE SYSTEM
General recommendations
■
If the site will permit, use steel pipe from the pump
to the pool perimeter. It will reduce line pressures
which is highly recommended.
■
The vibrator on the reducer by the pool improves
pumpability.
■
Turn both air vibrators off whenever the pump is
stopped to prevent separation of mix.
■
The air vibrators are low consumption (4.2 scfm).
■
Leave the air on at the nozzle when the pump is
stopped to prevent clogging of air the hoses in the
air insert.
■
Use item #11 (steel elbow) at the edge of the pool
to prevent collapse of the rubber hose, which can
cause blockage.
RECOMMENDED SHOTCRETE SYSTEM
NO. PART NO. PART NAME QTY. REMARKS
1 EM28904 ........... 3" “B” COUPLING
2 EM23946 ........... 3"-90° ELBOW
3 EM28903 ........... 2 1/2" S/J COUPLING
4 EM28005DD ...... 3"X 2 1/2 REDUCER
5 EM28061 ........... 2 1/2"X 10FT. PIPE
6 EM24849 ........... 2 1/2"X 50FT. HOSE
7 EM28001DD ...... 2 1/2"X 2" REDUCER
8 EM23815D ........ 2 1/2"X 2" REDUCER
W/AIR VIBRATOR
9 EM28902 ........... 2" S/J COUPLING
10 EM23101 ........... AIR VIBRATOR
11 EM28131 ........... 2"X 2 ELBOW
12 EM24841 ........... 2"X 25 FT. HOSE
13 EM23808D ........ NOZZLE ASSEMBLY
14 EM23806 ........... 1 3/8" NOZZLE TIP
15 EM23807 ........... 1 1/4" NOZZLE TIP