Predator 64199 - User Manual

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Using an engine indoors

CAN KILL YOU IN MINUTES.

Engine exhaust contains carbon monoxide.

This is a poison you cannot see or smell.

NEVER use inside

a home or garage,

EVEN IF doors and

windows are open.

Only use OUTSIDE

and far away from

windows, doors,

and vents.

64199

Owner’s Manual & Safety Instructions

Save This Manual Keep this manual for the safety warnings and precautions, assembly,

operating, inspection, maintenance and cleaning procedures. Write the product’s serial number in the

back of the manual near the assembly diagram (or month and year of purchase if product has no number).

Keep this manual and the receipt in a safe and dry place for future reference. 22a

When unpacking, make sure that the product is intact

and undamaged. If any parts are missing or broken,

please call 1-888-866-5797 as soon as possible.

2018 by Harbor Freight Tools

No portion of this manual or any artwork contained herein may be reproduced in

any shape or form without the express written consent of Harbor Freight Tools.

Diagrams within this manual may not be drawn proportionally. Due to continuing

improvements, actual product may differ slightly from the product described herein.

Tools required for assembly and service may not be included.

Read this material before using this product.

Failure to do so can result in serious injury.

SAVE THIS MANUAL.

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This document describes the Predator 4400 PSI, 4.2 GPM Gas Powered Pressure Washer, model 64199, an outdoor residential tool designed for cleaning various surfaces using high-pressure water.

Function Description:

The pressure washer uses a gas-powered engine to drive a triplex pump, generating a high-pressure water stream for cleaning. It is designed for outdoor residential use, capable of handling tasks such as cleaning autos, boats, driveways, paint removal, decks, siding, and stubborn stains on hard surfaces. The unit includes a spray gun with a wand and quick-connect nozzles to adjust the spray pattern and pressure for different cleaning needs. It also features a detergent siphon hose for applying pressure washer detergents.

Important Technical Specifications:

Pressure Washer:

Pump Type: Triplex
Pump Oil: 15W-40, 12 Ounces (0.36 Liter) capacity
Drive: Direct
Maximum Pressure: 4400 PSI
Flow Rate: 4.2 GPM
Hose Length: 50'
Wand Length: 31"
Nozzles: Quick Connect 0°, 15°, 25°, 40° + Soap Nozzle

Engine:

Displacement: 420 cc
Engine Type: Horizontal Single Cylinder, 4-stroke OHV
Cooling System: Forced air cooled
Fuel Type: 87+ octane stabilizer treated unleaded gasoline (do not use gasoline containing more than 10% ethanol (E10) or E85 ethanol)
Fuel Capacity: 1.59 Gallon / 6.00 Liter
Engine Oil Type: 10W-30 above 32° F, 5W-30 at 32° F or below
Engine Oil Capacity: 1.16 Quart (1.1 Liter)
Run Time @ 50% Load with full tank: 2 hr.
Bore x Stroke: 90mm x 66mm
Compression Ratio: 8.8:1
Rotation (viewed from PTO): Counterclockwise
Spark Plug Type: NHSP® / Torch® F7TC
Spark Plug Gap: 0.027"-0.031"
Valve Clearance (Intake/Exhaust): 0.004"-0.006"

Usage Features:

The pressure washer is designed for ease of use with several features:

Assembly: Involves attaching the high-pressure hose hanger, sliding the upper and front frame handles into place, connecting the pressure hose to the pump and spray gun, and attaching the wand and desired nozzle.
Nozzle Selection: A nozzle selection chart guides users to choose the appropriate nozzle (Black - Low Pressure, White - Wide Spray, Green - Medium Spray, Yellow - Narrow Spray, Red - Pencil Spray) for different cleaning tasks and surfaces. The Black Nozzle is specifically for use with pressure washer detergent.
Detergent Application: A detergent siphon tube allows for the application of pressure washer detergents at low pressure.
Starting the Engine: A manual start process involves turning the pressure regulator counterclockwise, setting the choke (START for cold, RUN for warm), opening the fuel valve, and sliding the throttle to 1/3 away from the SLOW position before pulling the starter handle. The engine switch must be ON.
Safety Precautions: Emphasizes operating outdoors due to carbon monoxide hazard, keeping children away, avoiding hot parts, and not directing the water jet at people or animals. It also warns against dry running the pump and prolonged idling with the trigger held down to prevent damage and burns.
High Altitude Operation: Instructions are provided for adjusting the carburetor for operation above 2000 feet, which may require an altitude kit to maintain performance and warranty.

Maintenance Features:

Regular maintenance is crucial for the longevity and safe operation of the pressure washer.

Pre-Start Checks: Before each use, users must inspect for damaged or missing parts, check and fill engine oil, and check and fill fuel.
Cleaning, Maintenance, and Lubrication Schedule: A detailed schedule outlines tasks to be performed before each use, monthly (every 20 hr), every 3 months (50 hr), every 6 months (100 hr), yearly (300 hr), and every 2 years. These tasks include brushing off the engine, checking oil levels, checking air cleaner, changing engine and pump oil, cleaning/replacing air filter, checking/cleaning spark plug, and checking fuel system components. Some tasks require a qualified technician.
Engine Oil Change: Instructions for safely draining and refilling engine oil, with recommendations for SAE 10W-30 oil and a viscosity grade chart for different temperatures.
Spark Plug Maintenance: Includes steps for disconnecting, cleaning, inspecting, gapping, and reinstalling the spark plug.
Air Filter Maintenance: Describes how to remove, clean (for paper and foam filters), and reinstall the air filter.
Long-Term Storage: Comprehensive instructions for preparing the engine for storage if it will be idle for more than 20 days. This includes cleaning, fuel treatment with stabilizer, lubrication (changing engine oil, adding oil to cylinder), and pump preparation (draining water, adding RV antifreeze). It also outlines procedures for every 3 months during storage and steps to take after storage before restarting the engine.
Troubleshooting Guide: Provides a list of common problems (engine not starting, misfires, stops suddenly, knocks, backfires, pressure issues, detergent intake issues), possible causes, and probable solutions to help users diagnose and resolve issues.

The manual strongly advises reading all safety instructions and performing maintenance as specified to prevent serious injury and equipment failure, emphasizing that many procedures require a qualified technician.