© Titan Tool Inc. All rights reserved.
21
Gear Replacement
WARNING: Before proceeding, follow the Pressure Relief
Procedure outlined on Page 5. 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!
1. Remove safety plates (#43 and 44).
2. Remove outlet mounting bolt (#263) from rear of pump.
3. Remove screws (#41) with a 3/16" hex wrench
4. With fluid section attached to pump housing (# 40) pull
pump housing away from motor housing (#31).
5. Inspect gears beginning with crankshaft assembly (#37).
Then, output pinion gear (#33), followed by pinion gear
(#38).
6. Inspect pinion gear on motor armature assembly (#139)
pg. 18 by removing motor as described in motor
replacement section.
7. Reassemble by reversing the above order. When
reassembling, make sure that all washers are in place
and that gears and bearing are properly lubricated.
8. Grease Item #37 every 100 hours. Fitting located under
Plate #44.
9. Grease Item #300 on Page 24 every 100 hours. Fitting
located on Item #300 under Plate #44.
On/Off Switch Replacement (110V)
WARNING: Before proceeding, follow the Pressure Relief
Procedure outlined on Page 5. 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!
1. Remove Pressure Control Board and screws (55 & 56).
2. Disconnect the two black wires from the On/Off Switch
(#49).
3. Remove the rubber boot and plate (#47 & #48) with a
wrench.
4. Remove the On/Off Switch (#49).
5. Install a new Switch and reattach plate and rubber boot.
Tighten securely.
6. Reconnect the two black wires to the new On/Off Switch.
7. Reinstall Pressure Control Board and screws, with
warning label facing out.
Power Supply Cord Replacement
(110V)
WARNING: Before proceeding, follow the Pressure Relief
Procedure outlined on Page 5. 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!
1. Remove Pressure Control Board and screws (55 & 56).
2. Disconnect the Power Supply Cord (#46) from; a) the
On/Off Switch (#49), b) the white wire connected to the
motor and, c) the green wire connected to the grounding
screw (#42). Refer to the Electrical Schematic, Figure 7.
3. Loosen the cord grip housing (#45) and remove the
power cord (#46).
4. Install the new cord in reverse order of disassembly.
5. Reinstall Pressure Control Board and screws, with
warning label facing out.
Motor Brush Replacement
WARNING: Before proceeding, follow the Pressure Relief
Procedure outlined on Page 5. 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!
1. Remove Brush Plate (#22).
2. Remover Brush Insulator (#23).
3. Remove Brush Spring (#25).
4. Back off screw. Hold Brush Wire and remove Brush.
5. Inspect Motor Brush. If damaged replace.
6. Repeat procedure for other brush.
7. To install Motor Brushes, reverse steps 1 through 6.
Electrical Schematic (110V)
TRANSDUCER
700-197
POTENTIOMETER
700-158
PRESSURE
CONTROL
BOARD
700-162
SWITCH
MOTOR
PLUG
BLACK
BLACK
CONNECTING
WIRE
WHITE
WHITE
J5
NEUT
J6
SWITCH
J7
MOTOR
J8
GND
J3
J2
J4
MOTOR
ELECTRICAL CONTROL ASSEMBLY
110V -- E15; 660; 1100
NOTE: Never operate this unit without Brush
Insulator and Brush Plate installed.
NOTE: To remove brush spring, push spring down
and in for it to release.