TM 5-3825-213-35
Clutch pressure regulating 82 lb 5% load at 2.22
i. Torqmatic Converter Classification and Rating.
spring.
in operating height
Manufacturer.......................Allison Division General
Converter pressure
88.6 lb 5% load at 3.52
Motors Corporation
regulating spring.
in operating height.
Model ..................................TC544
Detent spring.......................20 lb 10% at 1.5 in.
Maximum input speed .........2,500 rpm
operating height.
Maximum input torque ........850 ft-lb
Lockup clutch piston
880 lb 10% load at 0.22
Oil pump capacity ...............19 gpm (gallon per
return spring.
in. operating height.
minute) at 1,600 rpm.
j. Torqmatic Converter Repair and Replacement
Number of stages................1
Standards.
Table II list manufacturer's sizes,
Number of phases...............3
tolerances, desired clearances, and maximum allowable
Stator freewheel roller
1.17 lb 0.11 lb at 0.94
wear and clearance.
spring.
in. operating height
Table II. Torqmatic Converter Replacement Standards
Manufacturer's
dimensions and
Desired
Maximum
Maximum
tolerances in
clearance
allowable
allowable
inches
wear
clearance
Min.
Max.
Min.
Max.
Converter Housing
Oil pump drive gear bore---------------------------------
4.162
(nom)
------
------
0.010
Oil pump drive gear thk (per ----------------------------
------
------
------
------
0.006
face).
Torque Converter Stator
Thrust washer thk ------------------------------------------
0.127
(nom)
------
------
0.010 (even across
------
------
------
------
face)
Stator bore ---------------------------------------------------
4.764
(nom)
------
------
0.003
Stator freewheel side washers thk. --------------------
0.058
(nom)
------
------
0.010
Stator race od -----------------------------------------------
4.749
(nom)
------
------
0.010
Stator backplate thk ---------------------------------------
0.298
(nom)
------
------
0.010
Stator freewheel roller spring (1)
Torque Converter Turbine
Turbine hub -------------------------------------------------- 0.570
(nom)
------
------
0.010
Flywheel Assembly
Pilot bore ----------------------------------------------------- 2.435
(nom)
------
------
0.010
Charging Oil Pump
Converter pressure regulating
------
------
------
------
0.006
valve clearance with cover.
Converter pressure regulating
spring (2).
Note. Spring tension do
(1) 1.17 lb 0.11 lb at 0.94 In. operating height.
(2) 88.6 lb 5% load at 952 In. operating height.
Gears ..................................Spur-type alloy steel
k. Torqmatic Transmission Classification and Rating.
carburized and hardened.
Manufacturer................... Allison Division of General
Drive range ratio:
Motors Corporation
Low ................................4.4:1
Model .............................. TG 602 RM
Intermediate ...................2.33:1
Input rotation................... Right-hand
High ...............................1:1
Output rotation ................ Same as input
Reverse..........................3.54:1
Input speed ..................... 2,100 rpm max
Clutch packs .......................4
Input torque..................... 3,000 ft-lb
Oil pump .............................Positive displacement
Gear train........................ Constant mesh compound
gear-type
planetary
6
