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| Badly Worn B&G Check Valve |

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| Left - New Check Valve |
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B & G Sprayer Check Valve - Swollen to almost twice normal size due to prolonged exposure to chemicals.
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Technician did not replace check valve on B&G Sprayer. We understand trying to get full value from your equipment but this is ridiculous. Tech should have done preventative
maintenance and proactively inspected and replaced check valve, or kept a check valve in the truck as part of an
Emergency Repair Kit. Instead, tech had to drive to our shop, wasting time and gas and impacting customers in order
to purchase a part that costs a few dollars. For a copy of our article on creating emergency repair kits, or
to receive our newsletter that has lots of ideas to reduce equipment problems and downtime, send us an email.
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| Upper - Badly Clogged |

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| Lower - New |
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Technician had never cleaned out B&G Sprayer. Filter was completely clogged. B&G Sprayer was in such bad shape it was not worth repairing. Don't
let this happen to you. Clean and perform preventative maintenance on your pest control sprayers.
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| Birchmeier Backpack with chemical buildup |
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Chemical buildup in the tank creates debris that damages the sprayer. This Birchmeier backpack was in such
bad shape it was not worth repairing. Periodic cleaning and servicing of the backpack would have prevented this problem
and saved the owner quite a bit of money.
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| Birchmeier Check Valve Choked with Debris |
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Debris clogging the check valve, preventing the backpack from operating properly.
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| Birchmeier Spray Handle - Clogged |
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Debris clogging the spray handle, where the filter is located.
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| Metal Shavings in Pump |
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Damaged Diaphragm Pump
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Waiting too long to change diaphragms will result in total pump failure. Damaged diaphragms let oil escape, resulting
in metal on metal without lubrication. Change diaphragm at least annually. Service is cheaper than replacement.
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| Always check for oil in pump. |

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| Do NOT run pump if fluid is contaminated |
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| Connecting rod totally grooved out |

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| lack of oil destroys pump |
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| Diaphragm pump shaft grooved out |

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| Total Loss. This is an expensive part to replace. |
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| Roller pumps are popular pest control equipment |
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Damaged Roller Pump
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When Roller Pump begins to drip from weep holes, this indicates seals have failed and pump requires service.
If not serviced promptly, serious damage WILL occur. Note destroyed bearing.
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| Rollers are destroyed. |

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| Pump should have been serviced long ago. |
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| Roller Pump Rotor - totally destroyed. |

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| Total loss. Maintenance cheaper than replacement. |
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| Too late to save this pump |

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| Shaft Grooved Out - pump run with bad seals |
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Kinked supply hose
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Tech reported no output from spray gun. A quick inspection showed that the hose feeding the pump was kinked, preventing
water from reaching the pump. If the tech continued running the pump, it would have been destroyed from running dry.
Lesson: inspect feeder hoses to identify kinks and other damage that impact sprayer performance.
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Abnormal hose wear
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Look for abnormally worn hoses and fittings. Be sure that hoses are not contacting moving parts such as hose reels.
The situation in this photo would have resulted in a serious chemical spill if not caught.
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