Maintenance
312226P
7
Maintenance
Pressure Relief Procedure
1. Engage trigger lock.
2. Turn engine ON/OFF switch to OFF.
3. Move pump valve to OFF and turn pressure control
knob fully counterclockwise.
4. Disengage the trigger lock.
5. Hold a metal part of the gun firmly to a grounded
metal pail. Trigger the gun to relieve pressure.
6. Engage the trigger lock.
7. Open pressure drain valve. Leave valve open until
you are ready to spray again.
8. If you suspect the spray tip or hose is clogged or
that pressure has not been fully relieved after follow-
ing the steps above, VERY SLOWLY loosen tip
guard retaining nut or hose end coupling to relieve
pressure gradually, then loosen completely. Clear
hose or tip obstruction.
Trigger Lock
Always engage the trigger lock when you stop spraying
to prevent the gun from being triggered accidentally by
hand or if dropped or bumped.
Periodic Maintenance
DAILY:
Check engine oil level and fill as necessary.
DAILY:
Check hydraulic oil level and fill as necessary.
DAILY:
Check hose for wear and damage.
DAILY:
Check gun safety for proper operation.
DAILY:
Check prime/spray drain valve for proper opera-
tion.
DAILY:
Check and fill the gas tank.
DAILY:
Check that displacement pump is tight.
DAILY:
Top off TSL level in displacement pump packing
nut to help prevent material buildup on piston rod and
early wear of packings.
DAILY:
Verify calibration.
AFTER THE FIRST 20 HOURS OF OPERATION:
Drain
engine oil and refill with clean oil. Reference Honda
Engines Owner's Manual for correct oil viscosity.
WEEKLY:
Remove air filter cover and clean element.
Replace element, if necessary. If operating in an unusu-
ally dusty environment: check filter daily and replace, if
necessary.
Replacement elements can be purchased from your
local HONDA dealer.
WEEKLY/DAILY:
Remove any debris from hydraulic
rod.
AFTER EACH 100 HOURS OF OPERATION:
Change
engine oil. Reference Honda Engines Owner's Manual
for correct oil viscosity.
SEMI-ANNUALLY:
Check belt wear, page 18; replace if
necessary.
YEARLY OR 2000 HOURS:
Replace hydraulic oil and
filter element with Graco hydraulic oil 169236 (5 gal-
lon/18.9 liter) or 207428 (1 gallon/3.8 liter) and filter ele-
ment 246173; page 23.
SPARK PLUG:
Use only BPR6ES (NGK) or
W20EPR-U (NIPPONDENSO) plug. Gap plug to 0.028
to 0.031 in. (0.7 to 0.8 mm). Use spark plug wrench
when installing and removing plug.
CAUTION
•
Minimum hose size allowable for proper
sprayer operation is 3/8 in. x 50 ft.
•
For detailed engine maintenance and specifica-
tions, refer to separate Honda Engines Owner's
Manual, supplied.
