Maintenance
Cleaning the Sprayer
After finishing the spray application, empty the sprayer and wash all equipment in an approved decontamination area.
Pump the lever with
the trigger valve
disconnected until the discharge runs clear
WARNING!
Remove all chemicals and wash before storing the sprayer. Chemical products have different reactions and can cause damage to the sprayer components and the environment. Unidentified chemicals left in the sprayer tank can pose a serious health threat to anyone servicing the unit and unaware of its presence!
Lubricate
Lubricate
(disassembly
required)
Lubricate
Periodically clean and lubricate the pump chamber and actuating linkage with a high quality lithium grease.
Pump Disassembly
Pump Disassembly (cont.)
2.Using the 452284
5. | From the bottom of the piston cup | Pump | |
| fastener, push the diaphragm out | ||
| towards the top. | Chamber | |
|
| ||
4. | Remove the two Phillips head screws |
| |
| and washers located at the bottom of | Piston | |
| the cylinder and remove the cylinder | Cup | |
| base. |
| |
5. | From the bottom of the cylinder, push | Chamber | |
| the diaphragm out towards the top of | Valve | |
| the cylinder. | Piston Cup | |
7. | Clean all parts and carefully inspect | Fastener | |
| |||
| for worn or damaged parts and replace |
| |
| as necessary. |
| |
8. | Reassemble in the reverse order. |
| |
|
| Cylinder | |
| NOTE: | ||
Lubricating diaphragms and all moving |
| ||
parts with a high quality lithium grease | Washer | ||
will ease assembly and prolong the life of | |||
| |||
the unit. | Screw | ||
Troubleshooting: Lack of Pressure
SYMPTOM |
| CAUSE |
| REMEDY |
|
Leakage through | Worn or dried out | Lubricate or replace | |||
the upper cylinder. | piston cup. | the piston cup. | |||
After pumping and | Cylinder diaphragm | Clean or replace the | |||
pressurizing the | not sealing properly | cylinder diaphragm. | |||
chamber, the pump | due to wear or |
|
| ||
lever drops rapidly | impurities. |
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| ||
when released. |
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After pumping and | Chamber dia- | Clean or replace the | |||
pressurizing the | phragm not sealing | chamber dia- | |||
chamber, the pump | properly due to | phragm. | |||
lever rises slowly | wear or impurities. |
|
| ||
when released. |
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|
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|
Low pressure and | Pump chamber | Tighten screw cap | |||
pump lever hard to | filled with liquid. | at top of chamber. | |||
operate. |
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|
| With an empty tank, | |
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|
|
| pump lever with | |
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|
|
| trigger valve open | |
1.Loosen the pump lever connecting rod nut and remove the connecting rod from the chamber. Loosen the packing ring nut that secures the chamber to the tank. Remove the tank lid and strainer, reach inside the tank and remove the agitator from the pump chamber, then remove the chamber from the cylinder.
Pump Lever
Connecting
Rod Nut
Packing
Ring Nut
Tank Lid
until all liquid is |
purged from pump. |
Pump Chamber |
Chamber Diaphragm
Piston Cup
Cylinder
Cylinder Diaphragm
6