Graco RentalPro 360G 255667, Repair Manual

Page: 5 / 26

Maintenance
312520A 5
Maintenance
Pressure Relief Procedure
1. Lock gun trigger safety.
2. Turn engine ON/OFF switch to OFF.
3. Move pump switch to OFF and turn pressure control knob
fully counterclockwise.
4. Unlock trigger safety. Hold metal part of gun firmly to side
of grounded metal pail, and trigger gun to relieve
pressure.
5. Lock gun trigger safety.
6. Open pressure drain valve. Leave valve open until ready
to spray again.
If you suspect that the spray tip or hose is completely
clogged, or that pressure has not been fully relieved
after following the steps above,
VERY SLOWLY loosen
tip guard retaining nut or hose end coupling to relieve
pressure gradually, then loosen completely. Now clear
tip or hose.
Sendec Hour Meter
A Sendec Hour Meter has been installed on the rental
washer to monitor the number of hours the rental
washer has been used. After 25 hours the display will
begin to flash and the message “change oil” will display.
Reset meter using reset key or a magnet.
Maintenance Chart
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.
Premium Sprayers Engine Oil Funnel:
Use the supplied engine oil funnel when draining oil.
WARNING
Read Injection Hazard, page 3; Burn Hazard, page 4
CAUTION
For detailed engine maintenance and specifications,
refer to separate Honda Engines Owner's Manual,
supplied.
ti10869a
Interval What to do
Daily Check engine oil level and fill as necessary.
Check hose for wear and damage.
Check that all hose fittings are secure.
Check gun safety for proper operation.
Check pressure drain valve for proper operation.
Check and fill the gas tank.
Check level of TSL in displacement pump packing
nut. Fill nut, if necessary. Keep TSL in nut to help
prevent fluid buildup on piston rod and premature
wear of packings and pump corrosion.
After the first
20 hours of
operation Drain engine oil and refill with clean oil. Reference
Honda Engines Owner’s Manual for correct oil vis-
cosity.
After each 50
hours of
operation Replace pump. See pump manual 310894.
Weekly Remove engine air filter cover and clean element.
Replace element, if necessary. If operating in an
unusually dusty environment: check filter daily and
replace, if necessary.
Replacement elements can be purchased from
your local HONDA dealer.
After each
100 hours of
operation Change engine oil. Reference Honda Engines
Owner’s Manual for correct oil viscosity.