Ryobi 3302H Operation Manual page 207

7) Cleaning the powder spray device
(2)
T1
(1) (2)
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(3)
Chapter 3 Periodic Maintenance
After using the powder spray device, and then not using it for a long
time, the spray powder will harden in the spray hose. After using the
powder spray device, remove the powder bottle
(1},
set the spray volume
control lever (2) at the "0" position, and feed waste paper to use up any
spray powder remaining in the hose.
(Note) 1. When the spray powder in the bottle gets dirty or foreign
particles are mixed in, empty and dispose of the spray powder
in the bottle. Clean the inside of the bottle with a clean dry
soft rag.
2. Do not use spray powder which has hardened because it
contains moisture.
When the spray powder blocks the spray nozzle, loosen the nut (1 ), remove
the nozzle (2), and clean the nozzle (2) and nozzle tip (3).
(Note) When removing the nut (1), be careful not to drop the washers.
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Cleaning the inside of the tank of the dampening solution cooling/circulation device
Foreign particles and spray powder will accumulate on the bottom of the
tank. Drain the dampening solution in the tank from the water level control
cup and clean the tank with a soft sponge.
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Cleaning the tower of the dampening solution cooling/circulation device
Foreign particles will accumulate inside of the tower. Blow the air in to
clean the inside of the tower.
Maintenance Edition- 31