Page 1
4 HP Pressure wasHer Model 98444 set uP, OPerating, and servicing instructiOns using an engine indoors can KiLL YOu in Minutes. engine exhaust contains carbon monoxide. this is a poison you cannot see or smell. Only use Outside never use inside...
Set up and use only on a flat, level, hazardous situation which, if well-ventilated surface. not avoided, could result in minor or moderate injury. SKU 98444 For technical questions, please call 1-800-444-3353. Page 3...
Electromagnetic fields in close proximity to a heart pacemaker could cause pacemaker interference or pacemaker failure. Caution is neces- sary when near the engine’s magneto or recoil starter. SKU 98444 For technical questions, please call 1-800-444-3353. Page 4...
Page 5
Do not cover the engine or equipment may affect the equipment’s operation. during operation. if damaged, have the equipment serviced before use. Many ac- SKU 98444 For technical questions, please call 1-800-444-3353. Page 5...
This tool vibrates during use. Re- immediately. peated or long-term exposure to vibration may cause temporary or service PrecautiOns permanent physical injury, particularly to the hands, arms and shoulders. To before service, maintenance, or cleaning: SKU 98444 For technical questions, please call 1-800-444-3353. Page 6...
If water is leaking out of the Pressure Washer immediately turn off the unit. Unplug the Pressure Washer, and discharge all pressure before tighten- SKU 98444 For technical questions, please call 1-800-444-3353. Page 7...
Attach the Gun Hook (37) onto the any parts are missing or broken, please left side of the Handle using Bolts (4), call Harbor Freight Tools at the number Locknuts (5), and Washers (6). REV 08d SKU 98444 For technical questions, please call 1-800-444-3353. Page 8...
Remove the Oil Filler Cap If the oil level is low, add the appropri- ate type of oil until the oil level is at REV 09i SKU 98444 For technical questions, please call 1-800-444-3353. Page 9...
Period inspect the equipment and engine. Breaking-in the engine will help to ensure proper equipment and engine operation. rev 09i SKU 98444 For technical questions, please call 1-800-444-3353. Page 11...
If the stream is still too strong; turn the engine off, turn the water supply off, discharge the excess pressure from the gun by SKU 98444 For technical questions, please call 1-800-444-3353. Page 12...
Page 13
When finished; release the Trigger on the spray handle, turn the engine’s power switch “OFF”, shut off gas sup- SKU 98444 For technical questions, please call 1-800-444-3353. Page 13...
In a well-ventilated corrected before further use. area away from bystanders, use pressurized air to blow dust out of the air filter. SKU 98444 For technical questions, please call 1-800-444-3353. Page 14...
It may take a little longer about 1/16 turn more. than usual to start the engine be- SKU 98444 For technical questions, please call 1-800-444-3353. Page 15...
25, 50, and 100 operation to all metal parts. hours should be performed at least Cover and store in a dry, well-ventilat- yearly. ed area out of reach of children. SKU 98444 For technical questions, please call 1-800-444-3353. Page 16...
Engine valves or tappets Adjust valve clearance. If that does misadjusted or stuck. not work, clean or replace valves/ tappets. Follow all safety precautions whenever diagnosing or servicing the equipment or engine. SKU 98444 For technical questions, please call 1-800-444-3353. Page 18...
Page 19
Check water supply hose for kinks, leaks, or blockage. Not enough water supply. Open water faucet all the way. Follow all safety precautions whenever diagnosing or servicing the equipment or engine. SKU 98444 For technical questions, please call 1-800-444-3353. Page 19...
Page 20
BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO. SKU 98444 For technical questions, please call 1-800-444-3353. Page 20...
Plug instead. Drain Pipe note: Some parts are listed and shown for Ribbon illustration purposes only, and are not Ribbon available individually as replacement Gun Hook parts. Hose Hook Base SKU 98444 For technical questions, please call 1-800-444-3353. Page 21...
Rod Set Pump Body U-packing O-ring U-packing O-ring Valve Jacket When ordering replacement parts from this list, the “A” suffix must be included in order to get the correct part. SKU 98444 For technical questions, please call 1-800-444-3353. Page 23...
PuMP diagraM When ordering replacement parts from this list, the “A” suffix must be included in order to get the correct part. SKU 98444 For technical questions, please call 1-800-444-3353. Page 24...
Crank Case note: Some parts are listed and shown Flywheel for illustration purposes only, and are Semicircle Key not available individually as replace- ment parts. Starter Pulley Flywheel Side Plate SKU 98444 For technical questions, please call 1-800-444-3353. Page 25...
When ordering replacement parts from this list, the “B” suffix must be included in order to get the correct part. SKU 98444 For technical questions, please call 1-800-444-3353. Page 26...
If you have any questions regarding your warranty rights and responsibilities, you should contact the Harbor Freight Tools and you may also have other rights which Customer Service Department at 1-800-444-3353. vary from state to state. REV 11h SKU 98444 For technical questions, please call 1-800-444-3353. Page 27...
Page 28
Inspection, Cleaning, and Maintenance section in this manual. warranted Parts Fuel Metering system Carburetor and its internal parts. Fuel pump (if so equipped). iii) Cold start enrichment system. air induction system SKU 98444 For technical questions, please call 1-800-444-3353. Page 28...
Need help?
Do you have a question about the 98444 and is the answer not in the manual?
Questions and answers