Pump Maintenance - Husky HU80709A Operator's Manual

CLEANING THE AIR FILTER
See Figure 18.
A dirty air filter will cause starting difficulty, loss of
performance, and shorten the life span of the engine. Check
the air filter monthly. For best performance, replace the air
filter at least once a year.
 Push the tab on the air filter cover to open, then remove
the air filter cover.
 Lift the edge of the air filter carefully and pull it out.
 Lightly tap or blow out dirt particles from filter.
 Reinstall the air filter.
NOTE: Make sure the filter is seated properly inside the
cover. Installing the filter incorrectly will allow dirt to enter
the engine, causing rapid engine wear.
 Reinstall the air filter cover.
CHANGING ENGINE LUBRICANT
See Figure 19.
To drain lubricant through the dipstick tube:
 Shut off the engine.
 Clean the area around the oil fill cap/dipstick, then remove
the oil fill cap/dipstick.
 Tilt the pressure washer on its side with the air cleaner
facing up. Drain lubricant into approved container.
NOTE: Drain the lubricant while the engine is still warm
but not hot. Warm lubricant will drain quickly and more
completely.
 After the crankcase is completely drained, return the
pressure washer to an upright position.
 Fill with lubricant following the instructions in Adding/
Checking Engine Lubricant earlier in this manual.
To drain lubricant from the oil drain plug (if equipped):
 Disconnect the spark plug wire from the engine.
 Remove the oil drain plug from the bottom of the engine.
Drain lubricant into approved container.
NOTE: Remove the dipstick to allow lubricant to drain
easier and more quickly.
 Apply thread sealant around three full threads of the drain
plug. Torque to 120 in.lb.
 Fill with lubricant following the instructions in Adding/
Checking Engine Lubricant earlier in this manual.
CHECKING SPARK PLUG
See Figure 20.
 Clean the area around the base of the spark plug before
removing to keep dirt and debris out of the engine. Re-
move spark plug.
 Clean off carbon deposits on the spark plug electrode
using a plug cleaner or wire brush. Replace the plug if
worn or reuse is questionable. (Recommended spark
plug: Champion RC12YC or equivalent.)
MAINTENANCE
 Check electrode gap. The gap should be .030 in. Adjust
the gap, if necessary, by carefully bending the ground
electrode.
 Reinstall spark plug. Torque to 16-18 ft.lb.

PUMP MAINTENANCE

Routinely make a visual inspection of the pump. If you notice
any leaking of lubricant around the pump seals, take the
pressure washer to an authorized service center for repair.
There are no user serviceable parts to the pressure washer
pump. Any attempt to service or alter the pump may damage
the pressure washer and void your product warranty.
STORING THE PRESSURE WASHER
See Figure 21.
Store the pressure washer with the gas tank empty by either
draining the tank or running the pressure washer until the
gas runs out. Allow 30 minutes of "cool down" time before
storing the machine. Store in a dry, covered area where the
weather can't damage it.
It is important to store this product in a frost-free area. Always
empty water from all hoses, the pump, and the detergent
bucket before storing.
NOTE: Use of a fuel stabilizer and pump saver will give you
better performance and increase the life of the machine.
Discharge Fuel:
Drain the fuel tank completely. Stored gas can go stale in
30 days.
Engine Lubricant:
Drain the lubricant and replace with fresh, clean lubricant.
Spark Plug:
 Disconnect spark plug wire and remove the spark plug.
Pour about a teaspoon of clean, air-cooled, four-cycle
lubricant through the spark plug hole into the combustion
chamber.
 Leaving the spark plug out, pull the starter cord two or
three times to coat the inside of the cylinder wall.
 Inspect the spark plug and clean or replace, as neces-
sary.
 Reinstall the spark plug, but leave the spark plug wire
disconnected.
Air Filter:
 Clean the air filter.
Recoil Starter Rope:
 Extend the recoil starter rope to check its condition. If
the rope is frayed, have it replaced immediately by an
authorized service center.
Hoses and Pump:
Flush the injection hose with clean water for 1-2 minutes.
Remove all hoses. Empty the pump by pulling on the recoil
starter about 6 times. This should remove most of the liquid
from the pump.
13 — English