Pressure Control Replacement - Graco Ultra 1500 Mark V 236-401 Instructions-Parts List Manual

Pressure Control Replacement

WARNING
Follow the Pressure Relief Procedure Warning
on page 3 to reduce the risk of a serious injury.
NOTE: See Fig. 26 except where noted.
1. Disconnect the hose from the outlet of the fluid
filter (48).
2. Loosen the nut (28). Loosen the swivel fitting (8).
Remove the fluid filter (48).
3. Remove the cover (36) from the pressure control.
Disconnect the four motor leads. See Fig. 25.
4. Unscrew the connector (44) from the pressure
control (43). Loosen the nuts on the connector.
Pull out the conduit (22) and the motor's electrical
leads from the pressure control.
5. Remove the screws (37) which hold the pressure
control (43) to the cart. Remove the pressure con-
trol. Install the connector (44) on the new pressure
control.
6. Remove the screws (84) and the mounting plate
(16) from the old pressure control. Install these
parts on the new pressure control.
7. Install the new pressure control. Mount the pres-
sure control with the screws (37). Place the seal
(93) around the motor's electrical leads and push
the seal into the top of the connector (44). See Fig.
25.
Fig. 26
8. Install the cover (36) on the pressure control.
9. Connect the swivel fitting (8) to the fluid filter (48).
TIghten the nut (28) so that the filter is held
securely to the mounting plate (16).
Black/
White(–)
Fig. 25
28
13
The seal (93) is located inside this fitting.
93
44
41
40
84
16
37
8
48
24
Black(–)
Red
44,22
43
47
36