General Repair And Service Notes; Replacing The Motor; Replacing The Gears - Titan 805-001 Service Manual

IMPACT 540
2.1

GENERAL REPAIR AND SERVICE NOTES

The following tools are needed when repairing this sprayer:
Phillips Screwdriver
Needle Nose Pliers
Adjustable Wrench
Rubber Mallet
Flat-blade Screwdriver
5/64" Hex Wrench
1.
Before repairing any part of the sprayer, read the instructions
carefully, including all warnings.
Never pull on a wire to disconnect it. Pulling on a
wire could loosen the connector from the wire.
Attention
2.
Test your repair before regular operation of the sprayer to be sure
that the problem is corrected. If the sprayer does not operate
properly, review the repair procedure to determine if everything
was done correctly. Refer to the Troubleshooting Charts to help
identify other possible problems.
3.
Make certain that the service area is well ventilated in case
solvents are used during cleaning. Always wear protective
eyewear while servicing. Additional protective equipment may
be required depending on the type of cleaning solvent. Always
contact the supplier of solvents for recommendations.
4.
If you have any further questions concerning your Titan Airless
Sprayer, call Titan:
Customer Service (U.S.) ..................................... 1-800-526-5362
2.2

REPLACING THE MOTOR

1.
Perform the Pressure Relief Procedure and unplug the sprayer.
2.
Loosen and remove the two motor cover screws. Remove the
motor cover.
3.
Loosen and remove the three belly pan screws. Remove the belly
pan.
4.
On the back of the motor, disconnect the wire coming from the
potentiometer and the wire coming from the transducer. Also,
disconnect the two wires coming from the control panel board
(refer to the electrical schematic in the Parts List section of this
manual).
5.
Remove the four control panel mounting screws. Pull back the
control panel for access to the control panel board.
6.
At the the control panel board, disconnect the two wires coming
from the motor (refer to the electrical schematic in the Parts List
section of this manual).
7.
Loosen and remove the four motor mounting screws.
8.
Pull the motor out of the pump housing.
3/8" Hex Wrench
5/16" Hex Wrench
1/4" Hex Wrench
3/16" Hex Wrench
5/32" Hex Wrench
If the motor will not dislodge from the pump
i
housing:
•
Remove the front cover plate.
•
Using a rubber mallet, carefully tap on the front
of the motor crankshaft that extends through
the slider assembly.
9.
With the motor removed, inspect the gears in the pump housing
for damage or excessive wear. Replace the gears, if necessary.
10.
Install the new motor into the pump housing.
11.
Secure the motor with the four motor mounting screws.
12.
Reconnect the wires (refer to the electrical schematic in the Parts
List section of this manual).
13.
Position the control panel on the pump housing and secure in
position using the four control panel mounting screws.
14.
Replace the belly pan. Secure with the three belly pan screws.
15.
Slide the motor cover over the motor. Secure the motor cover
with the two motor cover screws.
Motor cover
Control panel
mounting screw
Control panel
Front cover
Front cover screw
2.3

REPLACING THE GEARS

1.
Perform the Pressure Relief Procedure and unplug the sprayer.
2.
Loosen and remove the two motor cover screws. Remove the
motor cover.
3.
Loosen and remove the three belly pan screws. Remove the belly
pan.
4.
On the back of the motor, disconnect the wire coming from the
potentiometer and the wire coming from the transducer. Also,
disconnect the two wires coming from the control panel board
(refer to the electrical schematic in the Parts List section of this
manual).
5.
Remove the four control panel mounting screws. Pull back the
control panel for access to the control panel board.
6.
At the the control panel board, disconnect the two wires coming
from the motor (refer to the electrical schematic in the Parts List
section of this manual).
MAINTENANCE
Motor
Motor
mounting
screw
Motor
cover
screw
Belly pan
Belly pan
screw
7