Graco 311737G, Important Safety Instructions Manual

Page: 24 / 32

Manifold Replacement
24 311737G
Manifold Replacement
See Wiring Diagram, page 29.
Removal
1. Relieve pressure , page 8. Disconnect power cord
from outlet.
2. Remove drain line (40) and barbed fitting (20) from
manifold. See
Drain Line Replacement , page 26.
3. Remove two screws (30) and shroud (29).
4. Disconnect fluid hose at pump outlet.
5. Disconnect pressure switch connector (A) from con-
trol board (33).
6. Remove tape (22) holding wires to manifold.
7. Pull wires back through hole (K) in housing.
8. If required, remove pressure switch from manifold.
See
Pressure Control Assembly Replacement ,
page 23.
9. Remove two screws (6) to disconnect manifold from
housing.
Installation
1. Position manifold on sprayer frame.
2. Replace screws (6) and torque to 150 in-lb
(17 N•m).
3. If removed, install pressure control assembly.
See
Pressure Control Assembly Replacement ,
page 23.
4. Feed pressure switch wires through hole in housing
(K).
5. Insert grommet (21) in hole (K) in housing. Secure
wires to manifold housing with tape (22).
6. Reconnect pressure switch connector (A) to control
board (33).
7. Reconnect fluid hose at pump outlet.
8. Replace barbed fitting (20) and drain line (40). See
Drain Line Replacement , page 26.
9. Install shroud (29) and two screws (30).
Read Electric Shock Warning on page 4, and
Pressure Relief Procedure on page 8.
Ref 14
18
23
24
25
A
A
33
6
26
13
20
40
15
C
B
17
17
6
Ref 14
26
25
24
23
20
40
13
A
33
18
A
ProStep
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