b. Cleaning and Inspection.
(1) Clean all parts.
(2) Inspect gears for excessive wear and damage.
Replace defective gears.
c. Installation.
(1) Refer to figure 5-4 and install timing gears with
timing marks positioned as shown.
(2) Check backlash of timing gears with a
screwdriver forcing mating teeth as far apart as
possible. Measure this clearance with a feeler gage. If
clearance is 0.002 inch or greater, replace gears as a
set.
(3) Install timing gear cover (para 5-3).
Figure 5-4. Timing gears removal
Section III. PAN AND PUMP
b. Cleaning and Inspection.
5-5. Oil Pan
(1) Clean oil pan.
a. Removal
(2) Inspect oil pan for cracks and other defects.
(1) Drain oil.
Replace a defective oil pan.
(2) Refer to figure 5-5 and remove oil pan.
(3) Discard gasket.
c. Installation.
(1) Using new gasket, install oil pan in reverse of
removal procedure.
(2) Fill crankcase with oil (LO 10-3950-203-12).
5-6. Oil Pump
a. Removal.
(1) Remove oil pan (para 5-5).
(2) Refer to figure 7-7 and remove oil pump.
Figure 5-5. Oil pan removal
5-5
