User's Manual

Repair
3A1602G 35
Pressure Transducers
1. See Before Beginning Repair, page 30. Relieve
pressure, page 20.
2. Insert pin through cart handle and lock with lanyard.
3. Carefully lay sprayer on it’s side on a level surface.
Rotate sprayer and rest upside down on cart handle.
NOTE: Always use two people when lifting the sprayer
up on to a workbench.
4. Remove four screws (10) and control board cover
(61) to expose the control board (12).
5. Disconnect transducer cables from J3 and J8 at
board; see F
IG. 58. page 34. Reverse A and B con-
nections and check if status code follows the bad
transducer, page 25.
6. Reconnect good transducer to proper connector.
Disconnect failed transducer from board, and
unscrew from base of transducer manifold.
7. Install new transducer (35) in manifold (33). Mark
board end of cable with tape (red=transducer A,
blue =transducer B).
8. Route cable under the electric motor and through
grommet to control board (12).
9. Connect transducer cable at board; see F
IG. 58.
page 34.
Drive Housing
Removal
1. See Before Beginning Repair, page 30. Relieve
pressure, page 20.
1. Loosen nut and press the fluid inlet tube down away
from the pump intake valve.
2. Disconnect swivel (32) from pump outlet and loosen
swivel at the fluid manifold. Turn the fluid outlet line
toward the center of the sprayer.
3. Disconnect pressure transducer (35) from manifold.
4. Disconnect swivel (32) from pump outlet and loosen
fluid outlet line swivel (36) at the fluid manifold. Turn
the fluid outlet lines toward the center of the sprayer.
5. Remove screws (207) and end covers (221, 227),
F
IG. 61, page 37.
NOTE: Examine connecting rod (216). If rod needs
replacing, first remove the pump (219), page 31.
NOTICE
Do not drop gear reducer (214) and crank shaft
(210) when removing drive housing (215). These
parts may stay engaged in motor end bell (MB) or
may pull away with drive housing.
FIG. 59: Pressure Transducer Connection
35
ti17467a
33