Photo 1, Pumping Section | Graco Inc 800-048, 801-457, 2104ES

	building circuit fuse blown.
	Overload switch has opened.
Electric motor stops while	Power cord unplugged, or
spraying.	building circuit fuse blown.
	Overload breaker.has opened.
	Extension cord
	Tip plugged.
Electric motor runs, but	Displacement pump frozen or
no output.	gear train damage.

SOLUTION

Check, replace.

Unplug power cord'. decrease pressure

~~~~

Check, replace.

Unplug powei cord'. relieve pressure-allow to cool.

DonZ usemore than loOftoi 8 ga extension cord.

Remove and clean

Thaw,

'This unit has an overload breaker built into the switch assembly. itIfopens, unplug power cord and let sprayer cool for 30 to 60 minutes. Also, try to correct the causeof overheating. Always use the lowest pressure setting needed.

NOTE: A M11 and M30 metricwrenchesare required for servicing pump.

PUMP

Valves

Photo 1 and 2.

1)Remove the hex plug using an M30 wrench.

2 ) ExamineO-ringunderplugandreplaceif evidence of cuts or distortion.

3)Removevalveassemblyincluding,retainer.

spring, valve and valve seat from valve cavity.

MOTE: Valve assembly may come apart during removal.

41 Replacevalve parts with service kit (801-041) includingretainer,spring, valve,valveseat, o- ring and back-up-ring.

5)Replace valve cover and torque to 75 ft-lb (100 Nm) .

Pumping Section

Photo 3.

1)Remove the four {4)hex nuts from the manifold.

2)Separate the manifold from the crankcase.

NOTE: It maybenecessarytotap manifold lightly with mallet to loosen.

IKeep manifold properlyaligned1with ceramic plungers when removing toavoid damage to either Dlunclers or seals.

3)Carefully examine each plunger for any scoring and replace if necessary.

6801-457

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800-048, 801-457, 2104ES specifications

Graco Inc, a renowned manufacturer in the field of fluid handling systems, offers an impressive range of products tailored for various industrial needs. Among its notable offerings is the Graco 2104ES, known for its innovative design and exceptional performance. This versatile unit is specifically engineered to meet the demands of various industries, including automotive, construction, and manufacturing.

The Graco 2104ES stands out due to its remarkable features that enhance efficiency and productivity. One of its primary characteristics is the incorporation of advanced technology, such as the ProConnect system, which allows for quick and easy changes of components without the need for specialized tools. This feature significantly reduces downtime during maintenance, ensuring that operations remain smooth and uninterrupted.

Another key attribute of the Graco 2104ES is its compatibility with a wide range of materials, including adhesives, sealants, and coatings. This flexibility makes it an ideal choice for diverse applications, enabling users to tackle different projects without needing multiple equipment types. The design of the unit also emphasizes user-friendliness, incorporating intuitive controls that facilitate effortless operation by both experienced professionals and newcomers alike.

In terms of performance, the Graco 2104ES is equipped with a powerful motor that delivers consistent pressure and flow rates, ensuring efficient material distribution. This aspect is particularly beneficial in high-demand environments where precision is critical to delivering quality results. The robust construction of the unit also contributes to its durability, allowing it to withstand the rigors of daily use in industrial settings.

Moreover, Graco has integrated safety features into the 2104ES, prioritizing the well-being of operators. The inclusion of pressure relief valves and automatic shut-off systems minimizes risks associated with misuse or malfunction.

Similar in excellence are the Graco models 801-457 and 800-048, designed to complement the 2104ES. The 801-457 model is notable for its lightweight design, extending portability without compromising performance. Meanwhile, the 800-048 model emphasizes versatility, supporting a wider range of attachments and accessories for different applications.

In summary, Graco Inc offers a powerful trio of fluid handling solutions in the 2104ES, 801-457, and 800-048 models. With innovative technologies, user-friendly features, and a strong focus on safety and durability, these products are essential for any industrial operation seeking reliability and efficiency.