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TM 5-2420-222-34
3-15.
IDLER GEARS REPLACEMENT (Con’t).
10.
Pry upper idler spur gear (16) on upper idler gearshaft (14) away from cylinder block plate (1) as far as possible.
11.
Using dial indicator, measure and record end play of upper idler spur gear (16). End play must be 0.0010-0.0220
in. (0.0254-0.5588 mm).
12.
Remove bolt (19) from upper idler gearshaft (14), washer (13), and cylinder block plate (1).
13.
Remove thrust washer bearing (18) from upper idler spur gear (16) and spring pin (15).
14.
Remove woodruff key (20) and deflector (21) from crankshaft (23).
NOTE
When removing upper Idler spur gear, ensure that other gears do not turn.
15.
Remove upper idler spur gear (16) and sleeve bearing (17) from upper idler gearshaft (14).
16.
Pry upper idler gearshaft (14) out of cylinder block plate (1). Remove washer (13) from upper idler gearshaft and
spring pin (15).
TA701278
3-90
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