Check Valve Repair - Graco Husky 2200 Repair Parts

Check Valve Valve Repair Repair
Check Check Valve Repair
NOTE: Kits are available for new check valve balls
NOTE: NOTE:
and seats in a range of materials. See page 27
to order kits in the material(s) desired. O-ring and
fastener kits also are available.
NOTE: To ensure proper seating of the check balls,
NOTE: NOTE:
always replace the seats when replacing the balls.
Also, replace the o-rings every time the manifold is
removed.
Disassemble the the Check Check Valve
Disassemble Disassemble the Check
1. Follow the Pressure Relief Procedure, page
Disconnect all hoses.
NOTE: The pump is heavy. Always use two
NOTE: NOTE:
people or a lift to move it.
2. Remove the pump from its mounting.
3. NOTE: NOTE: NOTE: Use hand tools until thread-locking
adhesive patch releases. Use a 17 mm (11/16 in)
socket wrench to remove the manifold fasteners
(5), then remove the manifold (3).
4. Remove the o-rings (9), seats (7), and balls (8).
5. Turn the pump over and remove the inlet
manifold (4).
6. Remove the o-rings (9), seats (7), and balls (8).
Reassemble the the Check Check Valve
Reassemble Reassemble the Check
1. Clean all parts and inspect for wear or damage.
Replace parts as needed.
2. Reassemble in the reverse order, following all
notes in the illustration. Put the inlet manifold on
first. Be sure the ball checks (7-9) and manifolds
(3, 4) are assembled exactly
must seat on the chamfered side of the seat.
The arrows (A) on the fluid covers (2) must
toward the outlet manifold (3).
3A2714H
All manuals and user guides at all-guides.com
Valve
Valve
10.
Valve
Valve
exactly as shown. The ball exactly
must point must
Figure 1 Check valve assembly
Torque to 190 to 200 in-lb (21 to 25
N·m). Follow torque sequence. See
Torque Instructions, page
Arrow (A) must point toward outlet
manifold
The chamfered side of the seat must face
the ball.
Repair
18.
13