TM 5-4320-300-14
4-36. COOLING FAN ASSEMBLY (CONT)
Location/Item
Action
Remarks
INSPECTION/REPLACEMENT
WARNING
Severe burns, illness, or death may result if personnel fail to handle diesel
fuel properly. Observe the following precautions:
·
Do not inhale vapor.
·
Do not handle fuel near open flame, sparks, or excessive heat.
·
Be certain fuel lines and connections are secure.
·
Work in a well-ventilated area.
Compressed air used for cleaning shall not exceed 100 psi (690 kPa). Use
goggles or face shield for eye protection. Do not direct airstream against
skin.
4.
Fan shaft
Clean fan blade; assembled pulley, shaft bracket,
assembly
and shaft assembly; and mounting hardware with
clean VV-F-800 diesel fuel. Dry with compressed
air. Rotate fan shaft assembly and bearings. If
bearings are rough or tight notify direct support
maintenance.
5.
Pulley
Inspect pulley for excessive rust, corrosion, worn
grooves, cracks, or other damage. Notify direct
support maintenance if pulley is damaged.
6.
Fan blade
Inspect fan blade for excessive rust or corrosion,
bends, cracks, or other damage. Replace fan
blade if damaged.
7.
Fan shaft
Inspect fan shaft bracket for excessive rust, corro-
bracket
sion, or other damage. If bracket is damaged, notify
direct support maintenance.
8.
Mounting
Inspect mounting hardware for rust, corrosion, or
hardware
damaged or stripped threads. Replace hardware if
damaged.
INSTALLATION
9.
Fan shaft
Position fan shaft bracket assembly, and pulley
bracket
as a unit on engine. Install mounting bolts, lock-
assembly and
washer, and washers and tighten hand tight.
pulley unit
Slip fan drive belts over pulley.
10. Fan blade
Position fan blade on pulley with holes alined and
install mounting bolts and lockwashers. Adjust
belt tension in accordance with table 4-1, Item 1.
4-145
