Sherwin-Williams ULTIMATE 824-032 - Manual (Page 9)

824-033 9
Operation
Cleaning a Clogged Tip
WARNING
To reduce the risk of serious injury,
whenever you are instructed to relieve
pressure, follow the Pressure Relief
Procedure on page 7.
INJECTION HAZARD
1. If spray tip clogs, release gun trigger, engage gun
safety latch, and rotate RAC IV handle 180
_ . See
Fig. 5.
2. Disengage gun safety latch and trigger gun into
waste container. Engage gun safety latch again.
3. Return handle to original position. Disengage gun
safety latch and resume spraying.
4. If tip is still clogged, engage gun safety latch, shut
off and unplug sprayer, and open pressure drain
valve to relieve pressure. Clean spray tip as shown
in manual 308–644, supplied with RAC IV.
Fig. 5
1
2
0137
Tip handle shown in spraying position;
turn handle 180
_ , disengage safety
latch and trigger gun to clear clog.
Trigger safety latch shown engaged.
1
2
Shutdown and Care
1. Check packing nut/wet–cup daily. Relieve pres-
sure. Keep packing nut/wet–cup (A) 1/3 full with
TSL at all times to help prevent fluid buildup on
piston rod and premature wear of packings. Tight-
en packing nut just enough to stop leakage. Over-
tightening may cause binding and excessive
packing wear. Use screwdriver and light hammer
to adjust nut.
See Fig. 6.
2. Clean fluid filter often and whenever sprayer is
stored. First relieve pressure. See manual
307–273 for cleaning procedure.
3. Fill connecting rod cavity with motor oil every 100
hours of operation. Relieve pressure. Remove
front cover. See Fig. 6.
7389A
Fig. 6
1
Fill connecting rod cavity with motor oil after
every 100 hours of operation
1
A
4. For very short shutoff periods, leave suction tube
in paint, relieve pressure, and clean spray tip.
5. Coil hose and hang it on hose rack when storing,
even overnight, to help protect hose from kinking,
abrasion, coupling damage, etc.