12
307–785
OPERATION
Cleaning a Clogged Tip
WARNING
To
reduce the risk of serious bodily injury from from
fluid
injection;
NEVER
operate the spray gun with the tip guard re
-
moved.
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
waste container when checking to
see if the tip is
clear.
DO
NOT try to “blow
back” paint; this is NOT an air
spray
sprayer
.
1.
Clean the front of the tip frequently during the day’s
operation. First, follow the Pressure Relief Proce-
dure
W
arning
on page 1
1.
2.
If
the spray tip does clog, release the gun trigger
, en
-
gage the gun safety latch, and rotate the RAC IV
handle
180
.
Refer to Fig 12–2.
3.
Disengage the gun safety latch and trigger the gun
into a waste container. Engage the gun safety latch
again.
4.
Return
the handle to the original position, disengage
the
gun safety latch, and resume spraying.
5.
If
the tip is still clogged, engage the gun safety latch,
shut
of
f 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 with the
RAC
IV
.
HANDLE
SHOWN IN
SPRA
YING POSITION.
TURN HANDLE 180
,
DISENGAGE SAFETY
LATCH AND TRIGGER
GUN TO CLEAR CLOG
GUN SAFETY
LA
TCH SHOWN
ENGAGED
Fig 12-2
SUCTION TUBE
PRESSURE
DRAIN V
ALVE
NEVER OPERA
TE THE GUN
WITH THE TIP GUARD REMOVED
FLUID FIL
TER
PRESSURE
ADJUSTING KNOB
ROTA
TE CLOCKWISE T
O IN
-
CREASE PRESSURE
ON/OFF
SWITCH
SECONDAR
Y HOSE CAP
Fig 12-1
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