Servicing the V-Packings

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 screw through the plunger. Torque to 14.4 ft-lb (19.5 NSm).

NOTE: If you plan to replace the packings, See Servicing the V-Packingsat right.

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 21.7 ft-lb (29 NSm) following the tightening pattern in Fig. 3. Uneven tightening can cause the manifold to bind or jam.

5 1 4 7

8 3 2 6

Fig. 3

NOTE: There are two types of packing kits:

801486 contains packings only.

801487 contains packings, rings, and retainers.

1.Remove the manifold as outlined in Pumping Section on page 8.

2.Carefully pull the packing retainer (43) from the manifold. Examine the o-ring (42), and replace if cut or damaged.

3.Remove intermediate ring (46). Pull out restop v-packing (47). Remove the second V-packing (44) and ring head (45).

4.Inspect all parts, and replace as necessary.

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

6.Lightly grease packing cavities, and replace packings in following order: ring head (45), V-packing (44), restop packing (47), intermediate ring (46). Install o-ring (42) in retainer groove and then install retainer ring (43) with low pressure seal (57).

CAUTION

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

7.Reassemble the manifold as instructed in Servicing the Plungers on page 8.

308524 9

2900 psi, 2500 psi, 2545, 800629, 3000 psi specifications

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