Removal. - TM-5-2410-233-340209

all metal chips and particles before the

(3)

The

major

components

the

torque

converter are the rotating housing (2), impeller (5),

converter is returned to operation. All

lines, i n c l u d i n g t h o s e t o t h e g a g e s ,

turbine

(10)

and

stator

(12).

should be removed and cleaned. It is

(4) Oil for operation of the torque converter is

supplied by the transmission and steering clutch

essential that the torque converter

cooler be absolutely clean. Failure to

control oil pump and enters the housing (1), passes

take these precautions will probably

through the inlet port in the carrier (11) to the

result

recurrent failure. Any

torque converter. The pressure of this oil is held to

foreign material left in the torque

40-44 psi at stall speed by a torque converter outlet

converter fluid system will be cir-

relief valve. Refer to paragraph 6-11 for the correct

culated through the transmission

testing and adjusting procedure. Oil leaves the

lubrication valve and into the trans-

torque, converter through outlet port in the carrier.

mission

lubricant

circuit.

From here it flows through the oil cooler and

NOTE

r e t u r n s to the transmission lubrication system.

(5) The energy imparted by the impeller (5)

transmits torque to t h e t u r b i n e ( 1 0 ) a n d c o n -

sequenty the output shaft (7). Under normal

Removal.

conditions. the oil passes through the

operating

(1) Drain the oil from transmission

and

torque divider (TM 5-2410-233-20).

converter easily and quickly striking each blade at a

v e r y slight angle. When a load is encountered, the

( 2 ) Remove the floor plates (para 2-8a), seat

speed of the turbine is reduced, and the oil strikes

f r a m e (para 2-9), and brake pedal assembly (para

This

t h e t u r b i n e b l a d e s a t a sharper

angle.

6-30).

m u l t i p l i e s the torque delivered to the output shaft

( 3 ) Remove transmission vent line (fig. 2-31,

o f the torque divider.

sheet 4 of 6), transmission oil pump oil outlet line.

c. Lubrication.

(4) Disconnect the oil temperature sensing

(1) Oil for lubrication of the torque divider

u n i t from the torque converter.

bearings and planetary system is furnished from the

(5) Disconnect the torque divider oil outlet

s u p p l y used for operation of the torque converter.

line from the torque divider and from the oil cooler

The bearings (15) are constantly running in oil.

( f i g . 2-31, sheet 3 of 6) and remove from tractor.

The bearings and gears in the planetary system (4)

(6) Remove the torque divider oil inlet line

and the pilot bearing (15) receive lubrication

(fig. 2-31, sheet 4 of 6).

through drilled passages in the output shaft (7).

( 7 ) Remove the scavenge pump oil outlet line.

T h e o u t p u t shaft rear bearing (17) receives

(8) Remove power take-off gears oil supply

l u b r i c a t i o n from normal oil leakage past a piston

line.

r i n g - t y p e seal.

(9) Remove drive shaft (para 6-2).

( 2 ) Normal oil leakage past the bearings and

in. - 11 NC forged

(10)

Install

two

piston ring-type seals falls to the bottom of the

eyebolts in top of torque divider. Attach a hoist to

torque divider housing and is picked up by the

eyelets.

scavenge pump and returned to the transmission

( J 1 ) Remove the twelve retaining nuts (fig. 2-

lubricating system.

in. - 16 NC

31, sheet 4 of 6) and install two

Torque Divider Reconditioning.

forcing screws to separate torque divider from

(1) To obtain maximum service, cleanliness

f l y w h e e l housing. Remove the torque divider from

m u s t be the rule. Be careful to avoid introducing

t h e tractor.

dirt into the torque divider or the fluid system when

WARNING

r e c o n d i t i o n i n g and filling the fluid system.

Secure the planet carrier (8, fig. 6-1) to

(2) Protect all internal parts of the torque

the torque divider housing with a wire

divider during reconditioning to avoid bumping,

to prevent possible serious personal

burring, scratching, or damaging.

injury as a result of the carrier sliding

out of location and falling from the

(3) Oil all parts before installation and be sure

torque divider output shaft.

t h e r e is oil in the bevel gear sump before starting

the diesel engine. Run the diesel engine at one half

(12) Mark the mating teeth of sun gear (fig. 6-

4) and flywheel. Remove the sun gear retaining

engine speed for several minutes before putting the

r i n g and remove the sun gear.

machine to work.

springs (located

(13) Remove the three

CAUTION

b e h i n d the sun gear) from the flywheel (fig. 5-50).

Whenever a torque converter fails, the

(14) Remove the pilot bearing retaining ring

entire torque converter fluid system

and remove pilot bearing from the flywheel.

must

cleaned

thoroughly

remove

6-5