Pump Lubrication; Nozzle Maintenance - Smith Deck Use And Care Manual

Pump Lubrication

Pump should be periodically oiled by applying 10 to
12 drops of light oil down the pump rod through the
opening in the pump cap as shown.
Pump Disassembly & Reassembly
NOTE: Remove pump from tank prior to disassembly as described in the Finish section.
1. Inspect gasket. If worn or damaged, remove and replace. (See Figure 1)
2. To disassemble pump cap from pump cylinder, push tabs in on both sides of the pump cylinder
that lock the cylinder to the cap using a flat screwdriver (See Figure 2) and pry up pump cap. After
the tabs are disengaged, the pump cap and handle can be removed from the pump cylinder.
(See Figure 3)
Figure 1
3. Inspect o-ring. If worn or damaged, remove and replace. Lubricate o-ring with petroleum jelly.
(See Figure 4)
4. Inspect check valve in bottom of cylinder. If worn or damaged, remove and replace by pressing into
hole in bottom of barrel. (See Figure 5)
5. Re-install the cylinder into the cap by aligning the tabs and pushing into place until the tabs lock.
Shut-off Maintenance
WARNING: ALWAYS DEPRESSURIZE SPRAYER BEFORE DISASSEMBLING
AS DESCRIBED IN THE RELEASE TANK PRESSURE SECTION.
1. Pull PRV out to release pressure in tank and activate shut-off trigger to
spray remaining liquid in shut-off.
2. Unscrew valve cap from bottom of shut-off assembly.
3. Remove spring and poppet out of shut-off. (It may be necessary to
remove the trigger and, from the top, push the poppet out though the
bottom of the shut-off.)
4. Clean all openings in the shut-off by flushing with clean, cool water.
5. Inspect all seals and lubricate with petroleum jelly. Replace seals if worn
or damaged. (See Kits, Parts, and Accessories section for Repair Kit number.)
6. Re-install poppet and spring. Thread on valve cap and tighten securely.
Reinstall trigger.

Nozzle Maintenance

1. If nozzle clogs, remove and disassemble the nozzle assembly.
2. Clean the openings of any obstructions and reassemble.
MAINTENANCE
Figure 4
Figure 2 Figure 3
Figure 5
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