16
819.4367
Service
Ball Check Valve Repair
Tools Required
D
Torque wrench
D
10 mm socket wrench
D
O-ring pick
Disassembly
NOTE: A Fluid Section Repair Kit is available. Refer to
page 23 to order the correct kit for your pump. Parts
included in the kit are marked with an asterisk, for
example (201*). Use all the parts in the kit for the
best results.
NOTE: To ensure proper seating of the balls (301), always
replace the seats (201) when replacing the balls.
To reduce the risk of serious injury whenever you are
instructed to relieve pressure, always follow the Pressure
Relief Procedure on page 10.
Warning
1.
Relieve the pressure. Disconnect all hoses.
2.
Remove the pump from its mounting.
3.
Using a 10 mm socket wrench, remove the four
bolts (106) holding the outlet manifold (103) to the fluid
covers (101). See Fig. 11.
4.
Remove the seats (201), balls (301), and o-rings (202)
from the manifold.
NOTE: Some models use two o-rings (202), some mod-
els use four o-rings (202), and some models do not use
o-rings.
5.
Turn the pump over and remove the inlet manifold (102).
Remove the seats (201), balls (301), and o-rings (202)
from the fluid covers (101).
Reassembly
1.
Clean all parts and inspect for wear or damage. Replace
parts as needed.
2.
Reassemble in the reverse order, following all notes in
Fig. 11. Assemble the ball checks exactly as shown.
The arrows (A) on the fluid covers (101) must point
toward the outlet manifold (103).
04157B
Fig. 11
1
2
Torque to 9 to 10 N
S
m. See Torque Sequence, page 30.
Arrow (A) must point toward outlet manifold (103).
106
103
101
A
201*
301*
112
102
201*
301*
2
1
1
202*
202*
3
Not used on some models.
3
3
4
Beveled seating surface must face ball (301).
4
4
Содержание 810.0073
Страница 24: ...24 819 4367 Notes...
