Manifold Replacement - Graco 311737G Important Safety Instructions Manual

Manifold Replacement

See Wiring Diagram, page 29.
Read Electric Shock Warning on page 4, and
Pressure Relief Procedure on page 8.
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).
24
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).
33
18
A
Ref 14
6
23
24
25
26
ti5771a
18
17
Ref 14
6
23
24
25
26
ti12077a
Manifold Replacement
A
17
15
13
C
20
40
B
A
33
A
ProStep
13
20
40
311737G