Ball Check Valve Repair - VERDER VERDERAIR VA 40 Instructions And Parts List

Service

Ball Check Valve Repair

Tools Required
•
Torque wrench
•
10 mm socket wrench
•
O-ring pick
Disassembly
NOTE: A Fluid Section Repair Kit is available. Refer to
page 25 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.
Warning
To reduce the risk of serious injury whenever you are
instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 13.
1. Relieve the pressure. Disconnect all hoses.
2. Remove the pump from its mounting.
3. Using a 10 mm socket wrench, remove the eight
bolts (106) holding the outlet manifold (103) to the
fluid covers (101). See F
4. Remove the seats (201), balls (301), and o-rings
(202) from the manifold.
NOTE: Some models do not use o-rings (202).
5. Turn the pump over and remove the bolts (112) and
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 F . 11. Be sure the ball checks are assembled
IG
exactly as shown. The arrows (A) on the fluid
covers (101) must point toward the outlet manifold
(103).
. 11.
IG
1
Torque to 9-10 N•m. See Torque Sequence, page 30.
2
Arrow (A) must point toward outlet manifold (103)
3
Not used on some models.
Fig. 11 _____________________________________
106
1
103
301*
201*
202*
3
101
A
2
301*
201*
202*
3
102
112
1
819.4486
04706B
19