Operating instructions
96-718, 97-721, 97-723 • REV. 8/05a
11
 PRESSURE WASHER  
OPERATOR’S MAN U AL 
WARNING: Some de ter gents 
may be harm ful if in haled or 
in gest ed, caus ing severe nau-
 sea, fainting or poi son ing. The 
harm ful el e ments may cause 
prop er ty dam age or severe 
injury.
STEP 1: Connect detergent in jec tor to discharge nipple 
on machine. Connect high pressure hose to in jec tor 
with quick coupler. (Check to make sure locking cou pler 
sleeves are in proper position before ap ply ing wa ter 
pres sure).
STEP 2: Use detergent de signed 
spe cifi  cal ly for pres sure washers. 
House hold de ter gents could dam-
 age the pump. Pre pare detergent 
so lu tion as required by the man u -
fac tur er. Fill a container with pres-
 sure washer de ter gent. Place the 
fi lter end of detergent suction hose 
into the de ter gent container.
STEP 3: With safety latch on spray 
gun engaged, se cure black soap noz zle into quick cou pler. 
NOTE: De ter gent can not be ap plied using red, yellow, 
green or white noz zles.
STEP 4: With the engine run-
 ning, pull trig ger to op er ate ma-
 chine. Liq uid detergent is drawn 
into the ma chine and mixed with 
water. Apply de ter gent to work 
area. Do not al low de ter gent to 
dry on sur face. 
IMPORTANT: You must fl ush the detergent in jec tion 
sys tem after each use by plac ing the suction hose 
into a buck et of clean wa ter, then run the pres sure 
wash er in low pres sure for 1-2 minutes.
WARNING
APPLYING DETERGENT 
AND GENERAL CLEANING 
TECHNIQUES
THERMAL PUMP 
PROTECTION
If you run the engine on your pres sure wash er for 3-5 
min utes with out pressing the trig ger on the spray gun, 
cir cu lat ing water in the pump can reach high tem per a-
 tures. When the water reach es this tem per a ture, the 
pump pro tec tor engages and cools the pump by dis-
 charg ing the warm water onto the ground. This ther mal 
de vice pre vents internal dam age to the pump.
CLEANING TIPS
Pre-rinse clean ing surface with fresh water. Place de-
 ter gent suc tion tube di rect ly into clean ing solution and 
ap ply to sur face at low pressure (for best re sults, lim it 
your work area to sec tions ap prox i mate ly 6 feet square 
and al ways ap ply de ter gent from bottom to top). Allow 
de ter gent to re main on sur face 1-3 min utes. Do not al-
 low de ter gent to dry on sur face. If sur face appears to 
be drying, sim ply wet down sur face with fresh water. If 
need ed, use brush to re move stub born dirt. Rinse at 
high pres sure from top to bottom in an even sweep ing 
mo tion keep ing the spray nozzle ap prox i mate ly 1 foot 
from clean ing sur face. Use over lap ping strokes as you 
clean and rinse any sur face. For best surface clean ing 
action spray at a slight an gle.
Recommendations:
 •  Before cleaning any surface, an inconspicuous 
area should be cleaned to test spray pattern and 
dis tance for maximum cleaning results.
    •   If painted surfaces are peeling or chipping, use 
ex treme caution as pressure washer may re move 
the loose paint from the surface.
   •   Keep the spray nozzle a safe distance from the  
sur face you plan to clean. High pressure wash a 
small area, then check the surface for damage. If 
no dam age is found, continue to pressure wash-
 ing.
 CAUTION - Never use:
     •  Bleach, chlorine products and other corrosive 
chem i cals
    •   Liquids containing solvents (i.e., paint thinners, 
gas o line, oils)
 •   Tri-sodium phosphate products
 •   Ammonia products
 •   Acid-based products
These chemicals will harm the machine and will dam-
 age the surface
 being cleaned.
RINSING
It will take a few sec onds for the de ter gent to clear.  
Apply safe ty latch to spray gun. Re move black soap 
noz zle from the quick cou pler. Select and in stall the 
de sired high pres sure noz zle. NOTE: You can also stop 
de ter gent from fl ow ing by sim ply re mov ing de ter gent 
si phon hose from bottle.
Detergent 
Injector
Quick Coupler
Filter
Discharge 
Nipple
High 
Pressure 
Hose
Soap 
Nozzle










