Graco Husky 307 F Series, Инструкция-перечень запасных частей

Страница: 21 / 36

308553ZAE 21
Service
Ball Check Valves
Tools Required

Torque wrench

1/2” (13 mm) socket wrench

O-ring pick
NOTE: A Fluid Section Repair Kit is available. See page
27 for the correct kit. Parts included in the kit are marked
with an asterisk, for example (301*). Use all the parts in
the kit for the best results. Always replace the o-rings
(108) with new ones whenever the old ones are removed.
1. Relieve the pressure. Disconnect all hoses.
Remove the pump from its mounting.
2. Using a 1/2” socket wrench, remove the nuts (106)
holding the top manifold (102) to the covers (101).
Lift the manifold off the pump. See F
IG
. 15.
3. Remove the outer o-ring (108), ball guide (202), ball
(301), seat (201), and inner o-ring (108) from each of
the covers.
4. Turn the pump over. Pull the tie rods (104) out of the
pump, leaving the four nuts (106) on the rods.
Remove the feet (107) and lower manifold (102).
5. Remove the outer o-ring (108), seat (201), ball (301),
ball guide (202), and inner o-ring (108) from each of
the covers (101).
6. Clean all parts and inspect for wear or damage.
Replace parts as needed.
7. Reassemble the intake ball checks in the bottom of
the pump, following all notes in F
IG
. 15. Be sure the
ball checks are assembled exactly as shown.
8. Set the lower manifold (102) and feet (107) in place
on the bottom of the pump.
9. Insert the long threads of each rod (104) through the
feet and lower manifold. Push the rods up through
the covers (101) until the nut (106) on the end of the
rods bottoms on the foot. Make sure the rods are
pushed all the way through. Turn the pump upright
(the rods are a slight interference fit and will hold the
pump parts securely in place).
10. Reassemble the outlet ball checks in the top of the
pump, following all notes in F
IG
. 15. Be sure the ball
checks are assembled exactly as shown. To avoid
leaks, run your finger over the o-rings (108) to ensure
that they are properly seated.
11. Install the top manifold (102) and four nuts (106).
Torque to 50 to 60 in-lb (5.6 to 6.8 N-m). See Torque
Sequence on page 32. Do not over-torque.
WARNING
To reduce the risk of serious injury whenever you are
instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 11.
Tel: 866-777-6060
Fax: 866-777-6383
Springer Pumps, LLC
Website: www.springerpumps.com
Int'l: +001 267 404 2910