GENERAL TRANSMISSION
7C - 5
3rd Speed Reverse
Engine power and torque are delivered through the torque converter and
drive shaft to the directional (input) shaft (A). As the reverse clutch pack is
activated, it engages the reverse gear (B) and rotates it in the same direction
as the shaft. The countershaft (C), through the reverse idler gear (D) and the
2nd speed drive gear (E), is rotated in the same direction as the directional
(input) shaft. As the 3rd speed clutch pack is activated, it engages the 3rd
speed driven gear (F) to the range (output) shaft (G). Power from the
countershaft is transferred to the range (output) shaft through the 3rd speed
drive gear (H) and driven gear and the clutch pack in the opposite direction
of rotation. Power is delivered from the range (output) shaft to the steering
and sprocket drives and on out to the tracks.
SPECIFICATIONS
Type ................................................................................. Power shift
Number of Speeds ............................................................. 3 Forward - 3 Reverse
Shaft End Play - All Shafts ............................................. 0.18 to 0.31 mm (0.007 to 0.012 in)
Forward or Reverse Clutch Pack:
Friction Discs ................................................................................. 6
Separator Plates .............................................................................. 5
!st Speed Clutch Pack:
Friction Discs ................................................................................. 8
Separator Plates .............................................................................. 7
2nd or 3rd Speed Clutch Pack
Friction Discs ................................................................................. 7
Separator Plates .............................................................................. 6
Special Tools:
Transmission Tool Kit ................................................................... DR04-721
Directional Shaft Manifold Tool ........................................................ DR04-721-1
Dowel Pin Installing Tool ............................................................. DR04-721-2
Bearing Adjuster Bridge Tool .......................................................... DR04-721-3
Transmission Valve Aligning Studs ..................................................... DR04-721-4
Range (Output) Shaft Holder Tool ...................................................... DR04-721-5
Clutch Pack Spring Compressor Tool ................................................... DR04-721-6
Range (Output) Shaft 1st Pack Compacting Tool .......................................... DR04-721-7
Transmission Aligning Studs .......................................................... DR04-721-8
Transmission Manifold Aligning Studs ...................................................... DR04-720
Sealant:
Transmission Rear Cover .............................................................. Loctite #515
Countershaft Cover Pipe Plugs .......................................................... Loctite #592
Transmission Valve Manifold Bolts ....................................................... Loctite #262
Transmission Valve Manifold Orifice Fitting ................................................ Loctite #592
Transmission Valve Bolts .............................................................. Loctite #262
Range (Output) Shaft Splines ...........................................................Molykote "G"
Rear Main Frame Gasket Cement ........................................................1300139H1
Electrical Sealing Grease .............................................................. Grafo 112-X
Transmission Shifter Knob ............................................................. Loctite #242
Weights:
Transmission with Valves ........................................................... 203 kg (448 lbs)
Transmission w/o Valves ............................................................ 168 kg (370 lbs)
Torques:
Battery Hold Down Nuts .......................................................... 0.9 NCm (10 lbf in)
Battery Terminal Nuts ............................................................. 31 NCm (23 lbf ft)
Transmission Mounting Bolts .......................................... 352 to 406 NCm (260 to 300 lbf ft)
Pinion Gear Bolt ............................................................... 434 NCm (320 lbf ft)
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