Husqvarna HH42 4200 PSI PRESSURE WASHER

Operator's Manual - Page 11

For HH42.

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11
Maintenance
Maintenance Schedule
Follow the hourly or calendar intervals, whichever occurs
rst. See the engine operator’s manual for instructions on
how to properly maintain the engine.
General Recommendations
Regular maintenance will improve the performance and
extend the life of the pressure washer. See any authorized
dealer for service.
Pump Oil Maintenance
1. Clean around oil drain plug at bottom of pump,
remove plug and drain oil completely.
2. Reinstall oil drain plug and tighten rmly.
3. Clean area around pump oil dipstick and remove
dipstick. Fill pump with SAE 30 weight oil
(approximately 10 oz. (0.3 liters)) to the point of
overowing.
4. Install pump oil dipstick and wipe up any spilled oil.
Detergent Siphoning Check Ball
The check ball in detergent siphoning system may become
stuck from dried soap or minerals in water. The check ball
can be freed by performing the following:
WARNING! Chemical Burn Hazard. Chemicals
could cause burns resulting in death or serious
injury. Follow chemical manufacturer’s label
instructions for proper use and handling of the chemical.
Following Shut Down, remove detergent siphoning hose
from barbed tting on pump.
1. Insert paper clip, or similar device, into barbed tting
on pump and push down until ball moves.
2. Reinstall detergent siphoning hose.
Spray Tip Maintenance
Clean an obstructed spray tip to correct a pulsing
sensation when squeezing the spray gun trigger.
1. Following Shut Down, remove spray tip from spray
wand.
2. Use a paper clip, or similar device, to free foreign
material.
Engine Maintenance
See the engine operator’s manual for instructions on how
to properly maintain the engine.
Common Service Parts
Pump Saver™ ............................ 6039
O-ring Maintenance Kit ...................705001
Water Inlet Screen ..................... B2384GS
Engine Oil Bottle ...............100005 or 100028
Contact an authorized service dealer or
BRIGGSandSTRATTON.com for a full list of parts and
diagrams.
Every 8 Hours or Daily (see Operation Section)
Check engine oil level
Clean debris
Lubricate o-rings
Check spray gun
Check high pressure hose
Check / clean water inlet screen
Check detergent siphoning tube
Every 50 Hours
Change pump oil
Pump Oil Drain
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