TM 9-2350-230-12
REMOVAL
1. REMOVE 3 SCREWS AND WASHERS ON FAN DRIVE SHAFT
BEARING RETAINER AND REMOVE FAN ROTOR FROM FAN
STATOR.
2. REMOVE 8 SCREWS AND WASHERS.
NOTE. DO NOT REMOVE 4 SCREWS WHICH ARE
PART OF FAN CLUTCH ASSEMBLY.
3. REMOVE FAN CLUTCH AND RETAINER/BEARING ASSEMBLY
FROM ROTOR. REFER TO SUPPORTING MAINTENANCE FOR
REPAIR OF CLUTCH OR BEARINGS.
INSTALLATION
REVERSE REMOVAL PROCEDURE.
INSTALLATION NOTE. CHECK CLUTCH FLUID LEVEL. AFTER
ABOVE INSTALLATION PLACE FAN ASSEMBLY IN VERTICAL
POSITION. ROTATE DRIVE SHAFT UNTIL FILLER PLUG IS
VISIBLE. ROTATE ROTOR AND SHAFT UNTIL PLUG IS AT 12
O'CLOCK.
REMOVE PLUG AND SLOWLY ROTATE ROTOR.
FLUID SHOULD BE VISIBLE AT THE 3:30 O'CLOCK POSITION. IF
REQUIRED ADD DAMPING FLUID-SILICONE BASE, 9150-543-7219
UNTIL FLUID IS VISIBLE AT 3:30 POSITION. CHECK FACE OF
HEAT ELEMENT FOR EVIDENCE OF LEAKAGE.
Figure 9-33. Removal/installation - engine coolant for assembly
PRELIMINARY STEP
OPEN LEFT ENGINE COMPARTMENT GRILLE DOOR.
REMOVE AIR CLEANER-TO-TURBOCHARGER DUCT, FIG. 9-24.
DRAIN COOLANT SYSTEM, TABLE 5-4.
LEGEND
1. CLAMP (2) UPPER
2. NUT AND VENT HOSE
3. HOSE (2) UPPER
4. CLAMP - LOWER
5. HOSE - LOWER
6. CLAMP (2)
7. SURGE TANK
8. SCREW (3), WASHER (3), AND BRACKET
REMOVAL
FOLLOW NUMERICAL SEQUENCE. DO NOT USE
SCREW DRIVER TO REMOVE HOSES.
INSTALLATION
REVERSE NUMERICAL SEQUENCE.
CAUTION: TEST RUN ENGINE AND RETIGHTEN ALL
COOLANT HOSE CLAMPS SECURELY.
COOLANT SYSTEM IS PRESSURIZED WHEN
ENGINE WARMS TO OPERATING TEMPERATURE.
WE 11168
Figure 9-34. Removal/installation - coolant system surge tank
9-37
