CHAPTER 4
REPAIR OF TRANSMISSION AND TORQUE CONVERTE
4-1. General
4-2. Reversing Gearbox
The model MHE 194 Crane Truck uses a 3-speedpower
a. Removal.
shifted transmission. This transmission combines a
(1) Place transmission control in neutral
hydraulic torque converter with a fully automatic gear
position (TM 10-3950-203-20).
system which consists of two multiple disc clutches,
(2) Remove final drive shaft (TM 10-3950- 203-
primary sun gear, primary and secondary pinions held in
20).
a common carrier, and an internal gear to which the
(3) Disconnect transmission fluid hose from
output shaft is attached. A reversing gearbox is joined to
bottom of gearbox and drain gearbox.
the extension housing and coupled by a drive shaft to the
(4) Remove screws attaching extension
differential.
housing to gearbox and gently slide gearbox off shaft.
b. Disassembly. Disassemble reversing gearbox as
shown in figure 4-1.
4-1
