Graco 257146, 277070, 277069, 249057, 249059 Remove piston valve from piston rod with a wrench

Page 11

Service

Fig. 10. Remove piston valve from piston rod with a wrench.

 

ti4258a

Fig. 10

 

 

 

Fig. 11. Remove pin and piston rod from cylinder.

Fig. 12. Soak all leather packings in SAE 30W oil for 1 hour minimum prior to assembly. Stack male gland (204). Alternately stack UHMWPE (203) and leather

(223)packings (note orientation). Install female gland

(224). Install seal (201) and packing nut (202) and throat adjustment spacer (228).

 

 

Not

 

 

used on

 

224

248204

 

 

253056

 

 

255968

203

223

201

228

 

 

 

 

202

 

204

 

Fig. 12

7573c

Fig. 11

ti4258a

Fig. 13. Remove packings and glands from piston rod.

Not

used on 248204 253056 255968

Fig. 13

ti3939a

 

310643 11

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Image 11
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Contents Repair Table of Contents Pump Repair Kits ServicePressure Relief Procedure Cleaning and Inspecting PartsRemove packing nut 202 and throat adjust- ment spacer Repair When Pump Is Off The SprayerAssembling the pump Torque to 27 +/--3 ft-lb Grease piston packings 230 231 Skin Injection Hazard Repair When Pump Is On The SprayerRemove piston rod and sleeve Remove piston valve from piston rod with a wrench Ti7341a Push up retaining spring 26 with screwdriver 7570f Ti4258a Technical Data Model 248204, Series a 277069, Series a 255968, Series a Parts -- Pump 248204, 277069Parts Pumps 248205, 249057, 249059, 277070 Parts -- Pump 310643 For Graco Canada Customers Graco Standard Warranty

255968, 249057, 253056, 249059, 277069 specifications

Graco is a trusted name in the realm of paint sprayers and finishing tools, offering a variety of models designed for efficiency and ease of use. The models Graco 277070, 248205, 257146, 248204, and 277069 are notable for their performance and advanced features, catering to both professional contractors and DIY enthusiasts alike.

The Graco 277070, known for its robust construction, features a powerful motor that ensures consistent spray pressure. Its lightweight design enhances maneuverability, making it ideal for large projects. The unit is equipped with a piston pump, which allows for superior pressure output and the ability to handle thicker materials without clogging.

Moving on to the Graco 248205, this model stands out with its adjustable spray pattern, allowing users to switch between horizontal and vertical settings with ease. It also incorporates a built-in filter system to keep paint free of debris, resulting in a cleaner application. Additionally, the 248205 is compatible with various types of coatings, making it a versatile choice for different projects.

The Graco 257146 takes performance a step further with its ProSpray technology, which provides an ultra-fine finish while reducing overspray. This model is designed with an ergonomic handle, enhancing user comfort during extended use. Its quick-change tip system allows for fast switching between different nozzle sizes, making it easier to adapt to various spraying tasks.

The Graco 248204 is specifically designed for smaller projects and is incredibly user-friendly. This sprayer features a simple setup process with an easy-to-understand user manual, making it perfect for beginners. Its compact size doesn’t compromise on power, delivering a suitable output for backyard projects and home improvements.

Lastly, the Graco 277069 is a well-balanced model that blends portability with performance. It offers a flexible hose for extended reach and an adjustable pressure control dial, allowing users to customize spray patterns and flow rates according to their needs. The durable construction ensures long-term reliability, even under heavy use.

All these Graco models are engineered with advanced technologies that prioritize performance and user experience. Their features collectively enhance spray accuracy, reduce cleanup time, and facilitate a smoother painting process, solidifying Graco’s reputation as a leader in the finishing equipment market.
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