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Step 8. Remove top cross member (with pan tube).
a. At cross member, remove 12, 8-32x3/8" PFSS screws that
secure top cross member to bottom cross member
(
Figure 3-28: Removing Top Cross Member and Pan Tube
b. At bottom of pan tube, remove retaining ring that secures pan
tube to yoke and then remove shim.
c. Pull up and remove top cross member with pan tube/input
cable assembly. (Remove belt from pulley at same time.)
Step 9. Remove pan stop.
Step 10. At pulley, using 5/16 inch nutdriver, gradually loosen four acorn
nuts in cross pattern (to prevent pulley from cracking). Loosen
until collet and pulley assembly can be removed from pan tube.
Step 11. Assemble new pulley and collet (
).
a. Install collet on replacement pulley. Make sure that collet is
oriented to match "D" in pulley.
b. Apply Loctite #425 to four threaded studs of collet.
c. Install four threadlocking 6-32 acorn nuts onto studs and
tighten enough to hold pieces together.
XMBRNGS
Pan Tube
Bearing
Stabilizer
Pulley
Pan Stop
Retaining
Ring
Cross-Section Detail
Retaining Ring
Shim
Top Cross
Bottom Cross Member
8-32x3/8”PFSS
Screw
Member
Cross Member