23
3–8. INSTALLING NEUTRAL START AND REVERSE
SIGNAL SWITCHES
• Connect any wiring required for sensors, signals, switches, or other electrical
components.
• Install the Neutral Start Switch (if so equipped) into the opening directly
above the selector shaft in the left side of the transmission housing. The
switch must include an aluminum washer (gasket) approximately 0.090 inch
(2.29 mm) thick. The washer on some switches has indentations on one side.
Install the washer onto the switch with the indentations facing away from the
switch. Make sure all mating surfaces are clean and free of contamination.
Apply a light coat of Loctite
®
pipe sealant with Teflon
®
, or equivalent, to the
threads of the switch. Install the switch assembly and tighten it to 50–60 lb ft
(68–81 N·m) using installation wrench J 33410.
• If the Neutral Start Switch is not mounted at this location, plug the opening
with a
3
⁄4-16 plug with its head seated on a rubber-coated washer.
• Apply a light coat of thread sealant onto the threads of the reverse signal
switch. Install the switch into the right side of the transmission. Tighten the
switch to 4–5 lb ft (5–7 N·m). Connect the wire leads.
3–9. INSTALLING RETARDER CONTROLS
• Be sure that the low speed cutoff switch is reinstalled, if removed, in the
opening provided at the left rear of the transmission. Tighten the switch to
4–5 lb ft (5–7 N·m).
• Be sure that the hose from the main pressure tap on the left side of the
transmission is connected to the fitting on the retarder valve body and that
connections are tightened.
• Be sure that the short hose from the retarder valve body to the “To Cooler”
port is connected and that connections are tightened.
NOTE: An enhanced reverse pressure switch P/N 29503665 became
available in November 1994. The improved switch is stamped with the
3-digit code 484. See SIL 7-TR-95.
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