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4 308864
Maintenance
WARNING
INJECTION HAZARD
System pressure must be manually
relieved to prevent system from starting
or spraying accidentally. Fluid under high
pressure can be injected through skin and cause
serious injury. To reduce risk of injury from injec-
tion, splashing fluid, or moving parts, follow Pres-
sure Relief Procedure whenever you:
D are instructed to relieve pressure,
D stop spraying,
D check or service any system equipment,
D or install or clean spray tip.
Pressure Relief Procedure
1. Lock gun safety latch.
2. Turn engine or electric motor ON/OFF switch to
OFF.
3. Unplug power supply cord (electric motor).
4. Move pressure control switch to OFF and turn
pressure control knob fully counterclockwise.
5. Rotate RAC 5 tip, if used, to reverse position.
6. Unlock gun safety latch. Hold metal part of gun
firmly to grounded metal pail. Trigger gun to relieve
pressure.
7. Lock gun safety latch.
8. Open pressure drain valve. Leave pressure drain
valve open until ready to spray again.
If suspected that spray tip or hose is completely
clogged, or that pressure has not been fully relieved
after following 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 obstruction.
CAUTION
For detailed engine maintenance and specifications,
refer to separate engine manual, supplied.
DAILY: Check engine oil level and fill as necessary.
Manual 308863.
DAILY: Check that V-belt (60) is centered on pulleys
and is not inverted. Replace if worn or damaged.
DAILY: Check and fill gas tank.
DAILY: Check hoses for wear and damage.
DAILY: Check gun safety for proper operation.
DAILY: Check pressure drain valve for proper opera-
tion.
AFTER THE FIRST 20 HOURS OF OPERATION
AND EACH 100 HOURS THEREAFTER: Change
engine oil.
DAILY: Keep TSL in packing nut to help lubricate
pump packings. One full squirt of TSL is usually
enough.
WEEKLY: Remove cover of air filter (C) and clean
element. Replace element, if necessary. If operating in
an unusually dusty environment, check filter daily and
replace it, if necessary.
Repack connecting rod (22) top needle bearing after
every pump change.
Replacement elements can be purchased from your
local HONDA dealer.
SPARK PLUG: Use only an BPR6ES (NGK) or
W20EPR–U (NIPPONDENSO) plug. Gap plug to
0.028 to 0.031 in. (0.7 to 0.8 mm). Use a spark plug
wrench when installing and removing plug.