1. INSERT THROTTLE VALVE
Note arrangement in the figure. Make sure that the valve is inserted fully into the bore.
2. INSTALL THROTTLE VALVE RETAINER
Coat the retainer with petroleum jelly to keep it in place. Note position of tabs in the figure. Slip the retainer into place in the valve body.
INSTALL ADJUSTING RINGS AND SMALL SPRING ON THROTTLE VALVE SHAFT
(a) Install the same number of adjusting rings as were removed during disassembly.
(b) Slip the spring over the end of the valve shaft. Compress and slide into place.
INSERT SPRING AND DOWN-SHIFT PLUG
(a) Push the down-shift plug into the bore.
(b) Coat the pin with petroleum jelly and install it to hold the sleeve.
5. ASSEMBLE THROTTLE CAM
(a) Insert the sleeve through one side of the cam.
(b) Install the spring with the hook through the hole in the cam.
6. INSTALL CAM ASSEMBLY ON UPPER FRONT VALVE BODY
Check the position of the spring ends with the figure. Tighten the bolt.
7. INSTALL SECONDARY REGULATOR VALVE
(a) Partially install the cover plate and insert the spring and secondary regulator valve.
(b) Compress the spring and swing the cover plate into place.
(c) Install the second bolt in the cover plate and tighten both bolts.
8. INSERT SPRING AND CUT BACK VALVE
Install the valve with smaller end first.
9. INSTALL PLUG AND VALVE RETAINER
Coat the retainer with petroleum jelly to keep it in place.
10. INSTALL THROTTLE VALVE RETAINER
11. MAKE SURE THAT SLEEVE IS HELD BY PIN
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