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GRE VSG75 Manual De Instrucciones página 17

Bomba de velocidad variable para piscina

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erly seated in the cover o-ring groove. Ensure o-ring is lubricated and that strainer cover is locked firmly in
position. Lubricant will help to create a tighter seal.
2. Loose connections on suction side.
Solution: Tighten pipe/union connections or hose clamps on flexible hose.
NOTE - Any self-priming pump will not prime if there are suction air leaks. Leaks will result in bubbles emanating
from return fittings on In Ground pool wall.
3. Leaking O-ring on valves.
Solution: Tighten, repair, or replace valves.
4. Strainer basket or skimmer basket loaded with debris.
Solution: Remove strainer housing cover or skimmer cover, clean basket, and refill strainer housing with water.
Tighten cover.
5. Suction side In Ground pool intake plumbing clogged.
Solution: Contact a qualified repair professional to do a vacuum test.
Block off to determine if pump will develop a vacuum. You should have 5"-6" of vacuum at the strainer cover (Only your
pool dealer can confirm this with a vacuum gauge). You may be able to check by removing the skimmer basket and
holding your hand over the bottom port with skimmer full and pump running. If no suction is felt, check for line blockage.
a. If pump develops a vacuum, check for blocked suction line or dirty strainer basket. An air leak in the intake
plumbing may be the cause.
b. If pump does not develop a vacuum and pump has sufficient "priming water":
1. Re-check strainer housing cover and all threaded connections for suction leaks. Check and tighten all
system hose clamps on Above Ground pools.
2. Check voltage to ensure that the motor is running at full RPM's.
3. Open housing cover and check for clogging or obstruction in suction. Check impeller for debris.
4. Remove and replace shaft seal only if it is leaking.
LOW FLOW – GENERALLY, CHECK FOR
1. Clogged or restricted strainer or suction line.
Solution: Check for visible debris and remove if observed. If the problem continues contact a qualified repair
professional.
2. Undersized pool plumbing.
Solution: Correct plumbing size.
3. Plugged or restricted discharge line of filter, valve partially closed (high gauge reading).
Solution: Sand filters – backwash as per manufacturer's instructions; D.E. filters – backwash as per manufactur-
er's instructions; Cartridge filters – clean or replace cartridge.
4. Air leak in suction (bubbles issuing from return fittings).
Solution: Re-tighten suction and discharge connections using Teflon tape. Inspect other plumbing connections
and tighten as required.
5. Plugged, restricted, or damaged impeller.
Solution: Contact a qualified repair professional to install a new impeller & seal assembly.
NOISY PUMP – CHECK FOR
1. Air leak in suction piping, cavitation caused by restricted or undersized suction line or leak at any joint, low
water level in pool, and unrestricted discharge return lines.
Solution: Correct suction condition or tighten fittings, if practical. Holding hand over return fitting will some-
times prove this point or putting in a smaller return eyeball fitting.
2. Vibration due to improper mounting, etc.
Solution: Mount the pump on a level surface and secure the pump to the equipment pad.
Instruction manual
- VARIABLE SPEED SWIMMING POOL PUMP
17

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