k. 
"~ 
Thismanualcontains 
IMPORTANT 
1iV~RNINCSandiNSTRUCTlONS 
.. 
~ 
READ 
AND 
RETAiN 
FOR 
REfERENCi 
HYDRA-CLEAN' 
225Opsi(155barl 
MAXIMUM 
WORKING PRESSURE 
Model 
800-101 
1 
INSTALLATION 
Connect the quick coupler on the end of the tube to the 
tip assembly. Connect the hose assembly to the quick 
coupler at the fluid inlet of the 
gun. 
Then connect the 
hose to the Hydra-Clean unit. 
OPERATION 
For cleaning with harsh chemicals, 
see 
the Chemical In- 
jector Kit manual, 
801-192. For cleaning with abrasives, 
wood, hold the  nozzle about 
3 
fl 
(1 mm) from  the 
surface and gradually bring 
it 
closer, checking to see if 
see 
Water Smdblaster manual, 
801-190. 
the high  pressure spray 
is 
damaging the surface. 
For cleaning with clear water, test the distance you will 
Always hold the nozzle at an angle to the surface and 
need to hold the spray nozzle from the surface on 
a 
"chisel" 
off 
the dirt. When you have finished cleaning, 
scrap piece of similar material. For soft surfaces such as 
shut 
off 
the unit 
and 
trigger the spray gun to relieve 
pressure. 
SERVICE 
WARM 
Follow these precautions when r 
1. 
Shut 
off 
engine and trigger gun to release 
4. 
Do not let anyone 
else 
touch the spray valve 
pressure. Engage  trigger safety.  while you are changing nozzles. 
2. Keep the'nozzle and the tube pointed away 
5. 
Be sure the slip ring 
is 
pushed forward to lock 
from you and everyone else. 
the nozzle in place before triggering the spray 
3. 
Do 
not put your hand over the tip to push the 
nozzle into place. Grasp 
it 
from the side and 
keep your fingers away from the tip. 
gun, 
Gun 
1. 
Remove the 9 screws and nuts from the body halves 
4. 
Remove sleeve nut 
(J) 
and O-ring IK) with the ac- 
(3). 
See Parts Drawing. Separate body halves.  tuator rod. 
2. Remove plug 
(B), 
seal washer 
(C) 
and ball (D) from 
5. 
After installing new seat (GI and ball 
(Dl, 
tap theball 
lightly with a hammer to assure a proper seating 
between the ball and seat. 
the valve body 
(E). 
3. 
Remove snap ring 
(F). 
Then remove valve seat (G) 
.- 
and O-ring (HI. 
6. 
Reassemble 
in 
reverse order,  using remaining new 
parts from repair kit. 
GRACO 
KWC. 
P.0. 
~QX 
7441 
MBMNEAPQRUS, 
MN 
55440 
@COPYRIGHT 
1981 
GRACO 
INC. 
-