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H8189/H8190 Gasoline Pressure Washer
-19-
General Maintenance
Before each use, perform the following general
maintenance tasks:
1. Check the engine oil and fuel level
2. Check the engine for cracked fuel lines,
loose bolts, and any other excessively worn
or damaged parts. Repair or replace worn or
damaged parts as necessary. Tighten any
loose bolts.
3. Check the high pressure hose for leaks.
Replace if necessary.
4. Inspect the spray gun and nozzles for clogged
debris and/or damage. Clean any debris with
a garden hose and replace any damaged
parts.
5. Inspect the chemical injection hose and filter
for clogged debris and/or damage. Clean any
debris with a garden hose and replace any
damaged parts.
Engine Oil Change
Replace the engine oil once after 20 hours, and
then regularly every 100 hours or 3 months (more
frequently in harsh conditions).
To change the engine oil
:
1. FOLLOW SHUTDOWN PROCEDURE AND
ALLOW ENGINE TO COOL!
2. Loosen the dipstick/oil cap.
3. Remove the drain plug on the side of the
engine (
Figure 17) and allow oil to drain
through the hole in the frame into a catch
basin.
Figure 17. Motor maintenance points.
4. Allow the oil to drain for several minutes until
all the oil has drained from the crankcase.
5. Fasten the drain plug securely.
6. Remove the dipstick/oil cap and fill with SAE
30 motor oil checking the level on the dipstick
frequently until full (
Figure 18). Do not over-
fill.
Figure 18. Correct engine oil level on the
dipstick.
7. Tighten the dipstick/oil cap.
8. Dispose of the used oil in accordance with
local regulations.
Dipstick/Oil Cap
Drain Plug