Graco Inc 824-001, 824-007, 824-006, 2800 owner manual 14 824±001

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 14.4 ft±lb (19.5 N
m).

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 22 ft±lb (30 N
m) following the tightening pattern (Fig. 4). Uneven tightening may cause the manifold to bind or jam.

Figure 4

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.

7.Reassemble the manifold as instructed in Servicing the Plungers.