© Titan Tool Inc. All rights reserved.
17
Motor Assembly
1
2
3
4
5
6
7
8
11
9
10
3
12
13
14
Item
Part #
Description
Quantity
1
765-062
Screw ................................................4
2
765-032
Rear cover ........................................1
3
765-006
Snap ring ..........................................2
4
765-025
Coupling nut (torque to 25 in./lbs.) ...4
5
765-060
Lock washer......................................4
6
765-019
Mounting stud ...................................4
7
765-012
Wave washer ....................................1
8
765-020
Armature ...........................................1
9
765-099
Motor housing (includes item 10) .....1
10
765-059
Screw ................................................1
11
765-016
Motor field assy.................................1
12
765-008
Fan....................................................1
13
765-029
Motor housing cover .........................1
14
700-639
Screw ................................................4
Before proceeding, follow the “Pressure Relief Procedure”
in the Operation section of this manual. Additionally,
follow all other warnings to reduce the risk of an injection
injury, injury from moving parts or electric shock. Always
unplug the sprayer before servicing!
WARNING
Replacing the Armature
1. Remove rear cover (2) by taking out screws (1).
2. Remove snap ring (3).
3. Remove fan (12).
4. Remove snap ring (3).
5. Remove motor housing cover (13) by removing screws
(4).
6. Remove the motor brushes. Follow the “Replacing the
Motor Brushes” procedure in this section of the manual.
7. Remove the armature (8) by gently rocking and pulling the
fan from the rear of pump.
8. Inspect the armature. If damaged, replace.
9. To replace the armature, reverse steps 1–7 above.
Replacing the Motor Housing
1 Follow steps 1–6 of the “Replacing the Armature”
procedure above.
2. Remove the pressure control board and screws (see the
“Gear Box Assembly” parts list) .
3. Disconnect the black wire and the white wire that connect
the motor to the pressure control board (refer to the
electrical schematic in this section of the manual).
4. Remove motor housing (9).
5. Loosen set screw (10) and push motor field assembly (11)
out from the back of the motor housing.
6. Inspect the motor field assembly. If damaged, replace.
7. To install the motor housing, reverse steps 1–5 above and
steps 1–7 of the “Replacing the Armature” procedure.
NOTE: Make sure to remove wave washer (7), which
should be on the end bearing of the
armature.