Electrical System
9.26
3507, 3508, 3509, 3512, 3513, 4007, 4008, 4009, 4012, 4013
b. Disassembly
DO NOT
disassemble the pumps. The pump is not
serviceable. Replace pumps if found to be defective.
c. Cleaning and Drying
Without submerging the pumps, clean the pumps and
reservoir with an approved solvent and dry with a clean,
lint-free cloth.
d. Inspection and Replacement
Inspect the electrical terminals for continuity.
e. Installation and Testing
1. Connect the windshield washer hoses to the
reservoir.
2. Connect the cab wiring harness connectors to the
reservoir connectors.
3. Install the reservoir tank onto the mounting studs.
4. Install the lockwashers and nuts and secure.
5. Fill the washer fluid reservoir with washer fluid.
6. Connect the battery negative (-) cable to the battery
negative (-) terminal.
7. Turn the ignition key switch to the RUN position and
press the washer switches. Verify that fluid is
sprayed on both the windshield and rear glass.
8. Close and secure the engine cover.
9.11
CAB HEATER AND FAN
9.11.1
Cab Heater Controls
Note:
If the suspect component is found to be within the
heater box, the heater box must be removed as a
complete unit and replaced. For additional information
on the removal and installation of the heater box, refer to
Section 4.3.8, “Heater/Defroster System.”
a. Cab Heater Controls Removal
1. Park the machine on a firm, level surface, level the
machine, fully retract the boom, lower the boom,
place the transmission control lever in (N)
NEUTRAL, engage the park brake and shut the
engine OFF.
2. Place a Do Not Operate Tag on both the ignition key
switch and the steering wheel, stating that the
machine should not be operated.
3. Open the engine cover. Allow the engine to cool.
4. Disconnect the battery negative (-) cable at the
battery negative (-) terminal.
5. Remove the four screws from the cab heater and fan
control panel.
6. Pull the control panel out from the dash panel and
disconnect the variable speed fan control cab
harness connector and disconnect the temperature
cable.
7. Remove the control from the panel.
b. Disassembly
DO NOT
disassemble the cab heater and fan controls.
The controls are not serviceable. Replace controls if
found to be defective.
c. Installation and Testing
1. Check that the variable speed fan control is in the
OFF position.
2. Install the temperature control cable to the back of
the control.
3. Install the hex locknut on the shaft and tighten.
4. Connect the cab harness connector to the variable
speed fan control.
5. Install the screws securing the control panel to the
dash panel.
6. Connect the battery negative (-) cable to the battery
negative (-) terminal.
7. Turn the ignition key to the ON position and check
the fan speeds. If further repair is needed, refer to
Section 9.5, “Electrical System Schematics.”
8. Start the machine and allow engine to reach
operating temperature. Check heat control at
different levels.
9. Close and secure the engine cover.