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THE ‘ROVAI’ POND PUMP - RP6

(The Cambodian version of the Rope Pump)

OPERATION AND

MAINTENANCE MANUAL

V. Whitehead, March 2008

Ideas at Work (IaW)

#5, Street 21,

Tonle Bassac,
Phnom Penh

Phone : +855 (0)23 350 911

Mobile : +855 (0)12 593 973

(Khmer)

Mobile : +855 (0)12 700 482

(Eng)

Email : [email protected]

Содержание ROVAI

Страница 1: ...ope Pump OPERATION AND MAINTENANCE MANUAL V Whitehead March 2008 Ideas at Work IaW 5 Street 21 Tonle Bassac Phnom Penh Phone 855 0 23 350 911 Mobile 855 0 12 593 973 Khmer Mobile 855 0 12 700 482 Eng...

Страница 2: ...lso be useful to village chiefs water user group staff or project managers when setting operation and maintenance training for pump caretakers Contents The main components of the Rovai Pond pump 3 Ope...

Страница 3: ...p 1 Wheel cover 2 Wheel 3 Handle 4 Cement cover 5 Adjustable pipe clamp 6 Pump frame 7 Protection pipe 8 Rope pistons 9 Ceramic guide 10 Outlet pipe 11 Upper guide box 12 Frame bolts x4 6 5 1 3 2 4 Fi...

Страница 4: ...itted inside a protection pipe and that this can be angled to suit the pond or river embankment and It has a floating strainer which only allows water from the top of the pond to enter the riser pipe...

Страница 5: ...used up or maybe lost make sure these are replaced as soon as possible This will make sure that the pump can be repaired quickly Operating the pond pump The pond pump is operated by turning the handl...

Страница 6: ...he bushes will not wear as quick This should be done regularly each week and will make the pump last much longer The oil holes can be found on the handle bushes at either side of the wheel Apply some...

Страница 7: ...e the knot in the rope Follow the five steps as shown below for tying a knot in the rope After step five pull the rope tight and check that it will not come undone by pulling hard on each side the kno...

Страница 8: ...screws holding the pipe bracket 1 and the protection pipe clamp screws 2 4 Remove the outlet pipe and gently lower the protection pipe and upper guide box down through the clamp hole The arms of the...

Страница 9: ...ush out any accumulated sediment 9 Pour enough clean water down inside the end of the protection pipe to flush out any accumulated sediment 10 When everything is cleaned out the intake and protection...

Страница 10: ...embly and loosely around the wheel g fit the clamp screws to the pipe bracket and clamp arms h pull the rope until there is around 2cm of slack in the rope then tie a knot as shown on page 7 j Slowly...

Страница 11: ...top it from falling back down the pipe Tie on a new piece of rope 3 on to the end that leads down into the return pipe If a set of new pistons are to be fitted then these can be added to the new rope...

Страница 12: ...heel cover Replacing a rope that has broken If the rope has broken and fallen down inside the pipes then the riser pipe and guide box will have to be removed from the pond Follow the steps and diagram...

Страница 13: ...guide box down through the clamp hole The arms of the clamp frame can be opened to do this 4 Pull the protection pipe to the side of the Rovai pump and gently remove the riser and return pipes out of...

Страница 14: ...ll flared return pipe of the upper guide box The small cone side of the piston should be facing towards the flared pipe Pull on the fishing line to pull the new rope through make sure the pistons are...

Страница 15: ...d ends of the rope appear again 10 Pull the clamp arms apart slightly and push the upper guide box and protection pipe back on to the small piece of pipe on the well cover 11 push the rope through the...

Страница 16: ...21mm PVC screwed end caps and can be bought from most hardware shops at local markets These are shown below The 21mm PVC screwed end caps are made in to Rope Pump pistons by grinding or cutting the si...

Страница 17: ...make it stiff to turn the handle Care of the paintwork The frame work will eventually get scratched through normal usage If this is left it will soon become an area where rust will appear To help min...