Merci beaucoup, Ron. Sure Rick will be pleased.
Reed (CA)
--- "Ronald L. Cook" <rlcook@...> wrote:
From: "Ronald L. Cook" <rlcook@...>
Okay--here goes my typing skills on display. No scanner. I gather you
are talking about the shift tower only, as all else has pretty well be
covered by Rick's rebuild.
Under disassembly:
Remove shifter fork pins from the second and high speed shifter fork and
the low and reverse speed shifter fork. Remove the two 3/8-inch
countersunk head pipe plugs. Slide the second and high speed gears
shifter shaft from gearshift control housing and remove low and reverse
speed shifter fork. Remove poppet ball and gearshift poppet ball
spring. Slide the low and reverse speed gears shifter shaft from the
gearshift control housing; remove second and high speed shifter fork.
Remove poppet ball and poppet ball spring. Remove gearshift rail hole
expansion plugs.
Now clean and inspect.
Inspect the transmission case and gearshift control housing for cracks
or damage of any kind. Any cracked or otherwise damaged units must be
replaced.
Replace the gearshift control housing if it is cracked or has stripped
threads. Replace the gearshift lever if it is excessively worn or
bent. Replace the gearshift control housing cap if it is bent or has
stripped threads. Replace the second and high speed gears shifter shaft
and second and high speed shifter fork if they are excessively worn, or
if they are bent or distorted. Replace the low and reverse speed gear
shifter shaft and low and reverse speed shifter fork if they are
excessively worn, or if they are bent or distorted. replace the
3/8-inch countersunk head pipe plugs if the threads are stripped.
Replace the gearshift lever support spring if it is cracked or
distorted. Replace the poppet balls and poppet ball springs if they are
worn, broken, or distorted.
On to assembly of subassemblies:
Assemble Gearshift Control Housing. Install new gearshift rail hole
expansion plugs into shifter shaft holes in end of gearshift control
housing. Insert poppet ball springs and poppet balls into gearshift
control housing while housing is placed upside down. Depress poppet
ball and poppet ball spring, and insert the low and reverse speed gears
shifter shaft into the gearshift control housing. Depress the other
poppet ball and poppet ball spring; install the second and high speed
gears shifter shaft into the gearshift control housing. Install the
second and high speed shifter fork onto the second and high speed gears
shifter shaft. Install the low and reverse speed shifter fork onto the
low and reverse speed gears shifter shaft. Secure both shifter forks
onto the shifter shafts with shifter fork pins. Flange the ends of the
gearshift fork pins with a center punch. Install 3/8-inch countersunk
head pipe plugs in ends of gearshift control housing.
Whew!!!!! I gotta get back to working on the airplane. This typing is
hard on the wrists. Please note the conspicuous absence of pictures.
Hope this helps, as I see no technical or special "tips" anywhere in
this manual. It is just the "facts" as required in motor pool or
rebuild shops.
Ron, IA
Reed Cary wrote:
From: Reed Cary <recary@...>
Ron, I think we were looking to see both if there was some smart way of disassembly, and any
technical info one needed to know. (The set up on the side shifter is very touchy).
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