TM 9-1829A, April 1944
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2021-07-07
Using tweezers, carefully line up hair spring so that coils are equally spaced and do not touch one another
when speed cup is in any position. Fasten speed unit to main frame (three screws). Refer to figure 83 for
correct position. Test speed cup for trueness and free turning.
f.
Replace odometer intermediate gear assembly:
Place washer on odometer drive gear shaft and place in
odometer frame. Place washer over inside end of shaft. Set assembly on anvil of staking fixture (T-178717
Det. 4) and, using a female punch, drive spur gear as far as it will go on shaft. Using staking tool (T-178717
Det. 3), stake inside end of drive gear shaft securely (fig. 98). Check to see that gear turns freely.
Figure 98: Staking intermediate gear, using fixture (T-178717)
g.
Replace odometer assemblies:
Place total odometer in frame and fasten with clip and screw (fig. 81) or with
spring clip (fig. 99), depending upon type of odometer retainer used.
Figure 99: Odometer frame with total odometer in place
Place trip odometer assembly (fig. 100) in frame (with tenth dial spring inside frame) and fasten with clip and
screw (fig. 81).
Figure 100: Trip odometer and attaching parts