804±544 Pump Service

6.Lightly grease the retaining screw and the outer end of the plunger. Place the washer, o±ring and backup ring around the screw and install the nut through the plunger. Torque to 11 ft±lb (15 Nm).

NOTE: If you plan to replace the packings, refer to Servicing the V±Packings.

7.Lubricate the outside of each plunger. Slide the manifold onto the crankcase, being careful not to damage the seals.

8.Install the capscrews and washers finger±tight. Torque the screws to 8.8 ft±lb (12 Nm) following the tightening pattern (Figure 4). Uneven tightening may cause the manifold to bind or jam.

5

1

4

7

8

3

2

6

Servicing the V-Packings

NOTE: There are two types of packing kits: one is packings only, the other includes the packings, rings and retainers.

1.Remove the manifold as outlined in the Pumping Section.

2.Carefully pull the packing retainer from the manifold. Examine the o-ring and replace it if it is cut or damaged.

3.Remove the v-packing and head ring. Pull out the intermediate retainer ring. Remove the second v±packing and second head ring.

4.Inspect all parts and replace as necessary.

5.Thoroughly clean the packing cavities and examine for debris or damage.

6.Lightly grease the packing cavities and then replace the packings in the following order: head ring, v-packing, intermediate ring, head ring, v-packing and packing retainer with the o-ring installed in the retainer groove.

CAUTION

Install the parts in the proper order and facing the correct direction. Improperly installed parts will cause a malfunction.

Figure 4

7. Reassemble the manifold as instructed in

 

 

Servicing the Plungers.

12824±001

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Graco Inc 824-007, 824-006, 824-001, 2800 owner manual Servicing the V-Packings, 12 824±001
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2800, 824-001, 824-007, 824-006 specifications

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All these Graco models emphasize reliability, efficiency, and ease of maintenance, which are crucial for businesses that rely on fluid handling systems. Graco’s commitment to quality is evident in every product they offer, ensuring that customers can depend on their equipment to perform consistently. With features designed to optimize performance and user experience, the 824-006, 824-007, 824-001, and 2800 models reflect the company’s dedication to innovation in the fluid handling industry. Whether for industrial, commercial, or specialized applications, Graco’s pumps are engineered to meet diverse needs with excellence and reliability.
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