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Pump Service: 3030, 3340, and 3540 Model Pressure Washers
309286K 17
8. Install capscrews and washers finger tight. Torque
screws to 8.8 ft-lb (12 N◆m) following the tightening
pattern in the following figure.
Servicing V-Packings
Two packing kits are available: one kit contains packings
only. The other includes packings, rings and retainers.
1. Remove manifold as described in Pumping Section,
page 16.
2. Carefully pull packing retainer from manifold. Exam-
ine o-ring. Replace o-ring if cut or damaged.
3. Remove V-packing and head ring. Pull out retainer
ring. Remove second V-packing and second head
ring.
4. Inspect all parts and replace as necessary.
5. Thoroughly clean packing cavities and inspect for
damage.
6. Lightly grease packing cavities. Replace packings in
the following order:
• head ring
• v-packing
• intermediate ring
• head ring
• v-packing
• packing retainer
• o-ring in retainer groove
7. Reassemble manifold following procedure
described in Servicing Plungers, page 16.
Uneven tightening could cause the manifold to bind
or jam.
ti5443a
14
2
3
5
8
7
6
Packings must be installed in the proper order and
facing the correct direction. Improperly installed
parts will cause the pump to malfunction.