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MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 69
APPENDIX — ST-45 PUMP 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 COUPLING, 3” H-D “CF”
2 EM23946 ELBOW, 3"x90°
3 EM28903 COUPLING, 2.5” H-D w/GASKET & PIN
4 EM28005DD REDUCER, 3”x2.5”x36” H-D ENDS
5 EM28061 PIPE, 2.5”x120w x 10’ H-D
6 EM24849 HOSE, 2.5”x2”x36” H-D
7 EM28001DD REDUCER, 2.5”x2”x36” H-D
8 EM23815D REDUCER, 2.5”x2” w/AIR VIBRATOR
9 EM28902 COUPLING, 2” H-D w/GASKET & PIN
10 EM23101 AIR VIBRATOR ASSY.
11 TBD 2”x2” ELBOW
12 EM24841 HOSE, 2”x25’ H-D w/ENDS
13 EM23808D NOZZLE ASSEMBLY, 2” H-D
14 EM23806 NOZZLE TIP, RUBBER 1-3/8”
15 EM23807 NOZZLE TIP, RUBBER 1.25”