Perform the following on the work bench:4. Install t production
propulsion system he rubber sealing strip into the seat housing
5. Apply a soapy solution on the sealing strip and the forward production propulsion system seat, item 1-1, and install theseat, into the seat housing.
Push the seat evenly and firmly into the housing until it seats onthe
strip.6. Measure and record dimension C, the height of the production propulsion system seat and housing subassembly in severallocations. Ensure
that it is fully seated before measuring.7. production propulsion system
Remove the seat from the seat housing but leave the sealing strip in the
housing.8. Lightly oil the interior surface of the thrust tube. Install
the seat production propulsion system housing with o-ring into thethrust
tube using tool T-18050-643. Install the retaining ring, item 2-3.9. Clean
the forward seat face with alcohol or lacquer thinner. The face must be
completelyfree of production propulsion system debris and dirt. Apply
a light film of very light oil to the seat face. Apply soapysolution to
the sealing strip and to the forward seat and install the seat with production propulsion system. Be sure production propulsion system to keep the contact
surfaces of the tool clean.10. Measure and record dimension D, the distance
from the end of the thrust tube to theforward seat face in several locations.
Dimension D should be about 1.965".11. Subtract D from A and record
the result. This production propulsion system dimension should be about
0.895" or thesame as dimension C.After verifying that the above dimensions
are production propulsion system correct, install the rotating assembly:12.
Clean the aft seat face, item 1-3, as above for the other seat face. Ensure
that the entire
rotating assembly is clean.13. Coat the inside diamete production propulsion system r of the rotating assembly and also the shaft sleeve with soapysolution.14.
Carefully place the rotating assembly onto the shaft and push forward
carefully and gentlyby hand production propulsion system until the shaft
sleeve o.d. is visible. Do not attempt to push it fully into place by
hand. Attach a dial indicator to tool T-18050-642 production propulsion system and position the tool and propeller nut,behind the rotating assembly.15.
Push the rotating assembly until the aft edge of the abutment ring is
about 1.0" (inches)
from the end of the thrust tube. Continue slowly, while oscillating the
shaft by hand until asquealing sound can be heard, indicating that the
seal faces have just touched. MeasureRevision (-) March 4, 2000Page 2
of 4dimension 'E' from the aft edge of the thrust tube to the aft edge
of the abutment ring. Itshould be about 0.886" [22.5mm].16. Zero
the dial indicator. Push production propulsion system the rotating assembly
as far as it will go forward, production propulsion system watching theindicator.
When the indicator stops moving, tighten the propeller nut slightly more.Measure
and record dimension 'F' the distance between the aft edge of the ring
and aft edgeof the thrust tube housing. This should be production propulsion system The total travel of theseal from the contact point to the fully
production propulsion system installed position should production propulsion system Note: The dimensions A through F are check dimensions to assure
the production propulsion system parts are properlyassembled; their purpose
is not to set the value of the seal compression.17. Install all 8 production propulsion system setscrews i production propulsion system nto the adapter
ring, item 3-1, and torque them to about 8 foot-lbs.(enough to keep the
adapter ring in place).