Operation - Graco 235-699 Instructions Manual

OPERATION
How
to
use the
gun
safety latch
from accidental triggering. See Fig
2.
When engaged, the gun safety latch prevents the gun
If the gun still sprays when the gun safety latch
is engaged, adjust the gun. See manual
307-614, supplied.
How
to
use the pressure
drain
valve
from the pump and to help prime the pump. If the
Use the pressure drain valve to relieve fluid pressure
tomatically to relieve fluid pressure. If this happens,
valve senses an over pressure condition,
it
opens au-
stop spraying immediately, shut off and unplug the
sprayer. Determine the cause of the problem and cor-
the Troubleshooting Guide, page
14.
See Fig
3.
rect it before operating the sprayer again. Refer also to
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 coun-
terclockwise to obtain the minimum setting. Turn the
knob clockwise to increase pressure. See Fig 4.
TO INCREASE PRESSURE
ROTATE CLOCKWISE
PRESSURE ADJUSTING KNOB
Fig
4
How to use the
RAC
IV tip guard
WARNING
To reduce the risk of serious bodily injury from
from fluid injection:
NEVER operate the spray gun with the tip guard
removed.
of the spray tip when cleaning or checking a
DO NOT hold your hand, body, or a rag in front
clogged tip. Always point the gun toward the
tip is clear.
ground or into a pail when checking to see if the
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
11.
The tip guard holds a
reversing spray tip. The tip is in the spraying position
when the tip handle polnts forward. See Fig
5.
Clean the front of the tip frequently during the day's
operation. First, follow the Pressure Relief Proce-
dure Warning on page 2.
SPRAYING POSITION.
HANDLE SHOWN IN
How
to
remove a tip clog
1. Release the gun trigger. Engage the safety latch.
Rotate the RAC IVtip handle 180". See Fig
5.
2. Disengage the safety latch. Trigger the gun into a
pail or onto the ground to remove the clog.
3. Engage the safety latch. Rotate the tip handle to
the spraying position.
4. If the tip is still clogged, engage 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.
308-248
9