NMC-WOLLARD 2021Truax Blvd., Eau Claire, WI 54703, Phone (715) 835-3151, Fax (715) 835-6625
M140 Tow Tractor Manual No. 46054
PAGE 1-38
CHAPTER 2 MAINTENANCE
1 SERVICING
AUGUST 31, 2008
Installation of Modulator
When installing the mechanical actuator, the following procedures should be
• Remove the bolt and modulator to case retainer (spring clip) from the
transmission. Remove the plastic shipping plug form the modulator valve
opening in the transmission.
• Verify that the modulator pin remains centered in its bore inside the
modulator valve opening (see Installation Drawing).
• Lightly lubricate the modulator “O”-ring seal with ®-III or oil soluble grease.
• Insert the modulator into the transmission, making certain that the “O”-ring
seals properly with the modulator valve bore, and the modulator contacts the
modulator pin in the transmission.
• Install the modulator retainer which is provided with the transmission. The
bent tabs on the retainer should be placed in the groove on the neck of the
modulator so they bend towards the transmission.
Shift Modulator Installation Drawing.
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