Ryobi P2804, Operator'S Manual

11 — English

GENERAL MAINTENANCE

Avoid using solvents when cleaning plastic parts. Most 
plastics are susceptible to damage from various types of 
commercial solvents and may be damaged by their use. Use 
clean cloths to remove dirt, dust, oil, grease, etc.

 WARNING:

Do not at any time let brake fluids, gasoline, penetrating 
oils, etc., come in contact with plastic parts. Chemicals 
can damage, weaken, or destroy plastic which may result 
in serious personal injury.

CLEANING THE UNIT

See Figure 13.

 WARNING:

Always store and dispose of chemicals properly. Disposal 
of contaminated rinse water should be performed accord-
ing to local ordinances and bylaws.

DRAINING THE TANK

If there is any liquid left in the tank after spraying, the tank 
should be drained before cleaning.

 

Remove the battery pack.

 

Unscrew the cap and remove it from the tank.

 

Remove the the strainer from the tank.

 

Drain the contents of the tank through the fill area.

 NOTE: 

Drain the contents back into the original container. 

Do not store chemicals in the tank.

CLEANING THE TANK

AND SPRAY WAND ASSEMBLY

 

Fill the tank about one-third full with clean water. A small 
amount of mild household detergent may be added.

NOTE: 

Never use flammable chemicals or abrasive 

cleaning agents to clean the tank.

 

Wipe the outside of the tank with a clean, dry cloth.

 

Reinstall the battery pack. Spray until the tank has been 
emptied. Make sure to direct the spray toward an area 
that will not be damaged by the spray solution.

 

Refill and repeat the procedure with clean water. It may 
be necessary to rinse the tank more than once, then drain 
again as directed above.

 

Allow all pieces to completely dry before reinstalling 
parts and storing the unit. Always reinsert strainer before 
replacing cap.

CLEANING THE NOZZLES

See Figure 14.

If the nozzle becomes plugged, use the steps below to clear.

 

Remove the battery pack.

 

Unscrew and remove the adjustable nozzle from the spray 
wand.

 

Push a small wire through the cross holes to clear any 
debris. If necessary, rinse the cross holes and nozzle with 
clean water.

 

Wipe the nozzle and cross holes with a clean dry cloth 
and reinstall the nozzle.

REPLACING SEALS

See Figure 15.

 WARNING:

Always follow procedures for draining and cleaning the 
tank before replacing the seals. Make sure you wear 
rubber gloves when reaching into the chemical tank. 
Wash your hands thoroughly afterwards. Failure to follow 
these instructions can result in a rash, skin irritation, or 
other serious personal injury if you directly contact some 
chemicals.

Over time, seals can harden and crack, which can allow 
the chemical sprayer to leak. A set of replacement seals is 
included. Refer to the image shown for the location of each 
of the seals, then replace as needed to address any leaks 
that develop. 
Additional sets of replacement seals can be ordered by 
contacting customer service.

NOTE: 

Unthreading the connections to replace the seals 

could allow liquid to escape, so always clean the chemical 
sprayer thoroughly as previously described before replac-
ing the seals.

MAINTENANCE