422E, 428E, 432E, 434E, 442E and 444E Backhoe Loaders Power Train Caterpillar

Transmission (Power Shift) - Remove

Usage:

422E DSK

Removal Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	180-3034	Jack Stand Gp	4
B	8S-7615	Pin	2
	4C-6486	Stand	2
	8S-7641	Tube	2
	8S-8048	Saddle	2
C	208-5040	Support Tube	1
D	1U-7505	Hydraulic Jack	1

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NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates.

Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, hoses, and tubes. This helps to prevent fluid loss and this helps to keep contaminants from entering the system.

Connect the lock for the boom. Refer to Operation and Maintenance Manual, "Boom Lock".

Connect the lock for the swing boom. Operation and Maintenance Manual, "Swing Lock Pin Control".

Connect the lock for the extendable stick. Refer to Operation and Maintenance Manual, "Extendable Stick Lock Control ".

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Illustration 1	g01244146

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Illustration 2	g01659918

Raise the machine so that the machine is level and 914 mm (36.0 inch) off of the floor. Install Tooling (A) and Tooling (B) under the machine.

Lower the bucket to the ground. Place the control for the bucket into the FLOAT position.

Drain the transmission oil into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Transmission Oil - Change".

Remove the piston pump. Refer to Disassembly and Assembly, "Piston Pump - Remove".

Remove the front drive shaft. Refer to Disassembly and Assembly, "Drive Shaft (Front) - Remove and Install".

Remove the rear drive shaft. Refer to Disassembly and Assembly, "Drive Shaft (Rear) - Remove and Install".

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Illustration 3	g01244175

Install Tooling (A), Tooling (C), and suitable cribbing in order to support the engine when the transmission is removed.

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Illustration 4	g01243334

Disconnect harness assemblies (1), (2), (3), (4), (5), (6), and (7) .

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Illustration 5	g01243338

Disconnect harness assemblies (8), (9), and (10) .

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Illustration 6	g01243656

Disconnect harness assembly (13). Remove nuts (12) and (14). Remove solenoids (11) and (15) and remove the plungers.

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Illustration 7	g01519326

Disconnect hose assembly (16) from the right side of the transmission. Disconnect hose assembly (17) from the left side of the transmission.

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Illustration 8	g01659919

Disconnect hose assemblies (20) and (22) .
Note: Hose assemblies (20) and (22) will remain with the transmission.

Cut cable strap (19). Disconnect harness assembly (18) .

Remove bolts (21) and position manifold (23) out of the way.

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Illustration 9	g01519353

Remove bolts (26) that retain transmission filler tube (25) .

Disconnect clip (24) .

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Illustration 10	g01243666

Remove clip (27) that retains transmission filler tube (25). Place transmission filler tube (25) to the side.

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Illustration 11	g01243674

Disconnect hose assembly (28). Remove clamp (29) and remove hose (30) from the hydraulic oil tank.

Remove the transmission oil filter. Refer to Operation and Maintenance Manual, "Transmission Oil Filter - Replace".

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Illustration 12	g01243675

Attach Tooling (D) to transmission assembly (31). The weight of transmission assembly (31) is approximately 255 kg (562 lb).

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Illustration 13	g01243826

Remove bolts (32) and cover (33). Remove bolts (34) .

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Illustration 14	g01243827

Rotate flywheel (35) in order to remove bolts (36).

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Illustration 15	g01243966

Place a suitable cable strap (37) around drive plate (38) for the converter.

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Illustration 16	g01243880

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Illustration 17	g01519366

Remove nuts (41) and (45). Remove bolts (42) and (46). Remove mounting bolts (39) and (44) and remove mounts (40) and (43) from each side of transmission assembly (31) .