Troubleshooting Chart, Problem, Cause, Solution

TROUBLESHOOTING CHART

WARNING

To reduce the risk of serious bodily injury, including fluid injection, splashing in the eyes or on the skin, or injury from moving parts, always follow the Pressure Relief Procedure Warning before proceeding.

Problem

-0w pressure and/or ,ump runs rough

Nater leakage from under pump manifold

Nater in pump

?equent or Iremature failure of he packings

Strong surging at the nlet and low pressure on the discharge side

Jnit will not start

Cause

Worn or wrong size tip,

Inlet filter clogged.

Worn packings, abrasives in water or natural wear.

Inadequate water supply. Coupling slippage.

Fouled or dirty inlet or discharge valves. Even a small particle can cause the valve to stick.

Restricted inlet.

Worn inlet or discharge valves.

Leaking high pressure hose.

Worn packings.

Humid air condensing inside crankcase. Worn packings.

Oil seals leaking.

Scored, damaged or worn plungers. Abrasive material in the fluid being pumped.

Inlet water temperature too high.

Overpressurizing pump.

Excessive pressure due to partially plugged or damaged tip.

Pump funning too long without spraying.

Running pump dry.

Foreign particles in the inlet or discharge valve or worn inlet and/or discharge valves.

Unit not plugged in.

Electrical service off/GFCI activated.

Thermal overload has tripped.

Solution

Replace with tip of proper size.

Clean. Check more frequently.

Check filter. Replace packings. See PUMP SERVICE.

Check water flow rate to pump.

Tighten or replace.

Clean inlet and discharge valve assemblies. Check filter.

Check garden hose, may be collapsed or kinked. Replace worn valves.

Replace high pressure hose.

Install new packings. See PUMP SERVICE.

Change oil as specified in MAINTENANCE. Install new packings. See PUMP SERVICE. Install new oil seals. See PUMP SERVICE.

Install new plungers. See PUMP SERVICE. Install proper filtration on pump inlet plumbing.

Check water temperature; may not exceed 160°F

Do not modify any factory-set adjustments. See

EQUIPMENT MISUSE HAZARD.

Clean or replace tip. See Installing and Changing Spray Tips.

Never run pump more than 10 minutes without spraying

Do not run pump without water.

Clean or replace valves. See PUMP SERVICE.

Check power cord.

Check fuse/circuit breaker. Check for proper grounding.

Press reset button on motor.

Chemical injector will Chemical injector clogged. lot siphon

Adjustable nozzle completely closed (826).

Low chemical level.

Wrong tip (1235).

Disassemble chemical valve and clean. Check and clean chemical hose and filter.

Turn control ring on nozzle clockwise to cause drop in pressure.

Check level of chemical Install chemical tip.

308-518 9

308-518, 826, 800-093, 1235, 800-268 specifications

Graco Inc is a leading manufacturer of fluid handling systems and products, renowned for its innovative technologies and a wide range of applications across industries. Headquartered in Minneapolis, Minnesota, Graco has established a reputation for producing high-quality equipment designed to handle, apply, and manage fluids with precision and efficiency.

One of the key features of Graco's product lineup is its extensive array of pumps. These pumps come in various configurations, including air-operated, electric, and hydraulic versions, ensuring that they can meet the diverse needs of various applications. This versatility allows Graco to service industries such as automotive, construction, and manufacturing, where fluid handling is critical.

Graco is also at the forefront of technology integration. Their products often feature advanced electronic controls that enhance operability and efficiency. For example, some of their spray equipment is equipped with intelligent technology that provides real-time feedback and monitoring, which helps users optimize their processes and improve overall productivity.

In addition to pumps, Graco offers a comprehensive range of accessories, including hoses, fittings, and filters, which are essential for maintaining system performance. Their commitment to quality means that these components are robust and designed to withstand the rigors of high-pressure and high-demand environments.

Another notable characteristic of Graco products is their emphasis on safety. The company designs its equipment with user safety in mind, incorporating features such as anti-static technology and ergonomic designs to reduce fatigue during operation. This focus on safety ensures that users can operate equipment with confidence while minimizing the risk of accidents.

Graco's dedication to sustainability is also evident in its product offerings. Many of their systems are designed to reduce waste and improve efficiency, aligning with modern environmental standards. This eco-friendly approach not only benefits the planet but also helps customers reduce operating costs.

In summary, Graco Inc excels in providing innovative fluid handling solutions that are characterized by versatility, advanced technology, safety features, and a commitment to sustainability. Whether it's for industrial applications or specialized tasks, Graco's comprehensive product range is designed to meet the highest standards of performance and reliability.

Graco Inc 1235, 800-268, 800-093, 308-518, 826 manual Troubleshooting Chart, Problem, Cause, Solution

Models: 308-518 826 800-093 1235 800-268