TM 5-3810-289-12
Section VII. MAINTENANCE OF ENGINE COOLING SYSTEM COMPONENTS
a. Inspect the belt frequently for proper tension,
3-15.
Radiator Inspection and Service
cracks, and wear.
a. Check coolant level in radiator. Proper level is 2
b. Tighten belt so pressure of index finger extended
inches below filler neck.
straight down will depress belt (A, fig. 3-8) to value
shown. Force applied will be approximately 13 lbs for
b. Check radiator for leaks, dents, and other
each foot of belt free span (B, fig. 3-8). The fan belt is
damage.
11/16 inches wide.
3-16.
Fan Belt Inspection and Service
BELT WIDTH IN.
DEFLECTION PER FT. OF SPAN IN.
1/2
13/32
11/16
13/32
3/4
7/16
7/8
1/2
1
9/16
ME 3810-289-15/3-31
Figure 3-8. Belt adjustment.
3-15