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Operation
How
to
use
the pressure control.
The pressure control controls the motor operation
so
the sprayer maintains constant fluid pressure at the
pump outlet. Turn the pressure control knob fully
the knob clockwise to increase pressure. See Fig.
4.
counterclockwise to obtain the minimum setting. Turn
Fig.
How to
use the
RAC IV
tip guard.
WARNING
To reduce the risk of serious injury from from
fluid
injection:
NEVER operate the spray gun with the tip guard
removed.
DO
NOT hold your hand, body, or a rag in front of
the spray tip when cleaning or checking a clogged
tip. Always point the gun toward the ground or
into a pail when checking to see if the tip is clear.
DO NOT try to "blow back" paint; this is NOT an
air spray sprayer.
The tip guard alerts you to the risk and helps prevent
placing any part of the body close to the spray tip.
The tip guard also adjusts the vertical or horizontal
spray pattern. See page
12.
The tip guard holds a
reversing spray tip. The tip is in the spraying position
when the tip handle points forward. See Fig.
5.
Clean the front of the tip frequently during the day's
operation. First, follow the Pressure Relief Proce-
dure on page 11.
WARNING
To reduce the risk of serlous injury, follow the
Pressure Relief Procedure Warning on page 11
before doing this procedure. Unplug the sprayer1
Tip handle shown In
Fig.
5
How
to remove
a
tip clog.
1. Release the gun trigger. Lock the safety latch.
Ro-
tate the RAC IV tip handle
180'.
See Fig.
5.
2. Unlock the safety latch. Trigger the gun
into a pail
or onto the ground to remove the clog.
3. Lockthe safety latch. Rotate the tip handle to the
spraying position.
4.
If the tip is still clogged, lock the safety latch, shut
off and unplug the sprayer, and open the pres-
sure drain valve to relieve pressure. Clean the
spray tip as shown in manual
307-848,
supplied.
10
308-216
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