D7R Track-Type TractorPower Train Caterpillar

Track Roller Frame - Remove

Usage:

D7R 2EN

Removal Procedure

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Table 1
Required Tools
Tool	Part Number	Description	Qty
A	9U-7540	Hydraulic Jack Stand	2
A	4C-5809	Electric Hydraulic Pump	1
B	8S-7615	Pin	2
	8S-7640	Stand	2
	8S-7611	Tube	2
C	-	Bar Stock (2.4 inch by 4.0 inch)	2
D	8T-5255	Hydraulic Jack	1
E	9U-6600	Manual Pump	1
	6V-3160	Cylinder	1
	5P-7288	Sleeve	1
	4C-9633	Puller Stud	1
	1P-0543	Nut (1 inch by 8)	1
	5P-8250	Washer	1
F	6V-3510	Thread Adapter (1 3/16 inch by 12 (male) to 9/16 inch by 18 (female))	1
	8B-7548	Push-Puller Crossbar	1
	8S-4752	Bolt (9/16 inch by 18 by 6 inch)	1
	1D-4595	Bolt (9/16 inch by 11 by 6 inch)	2
	5P-8247	Washer	13
	4B-5275	Washer	5
		Spacer of 50 mm (2.0 inch) thickness	2
G	142-8548	Lifting Bracket	1
	189-0411	Shackle	2
	193-5474	Shackle	1

Start By:

Separate the track. See the procedure in Disassembly and Assembly, "Track - Separate".
Remove the bulldozer. Refer to Disassembly and Assembly, "Bulldozer - Remove".
Remove the rear bottom guards. Refer to Disassembly and Assembly, "Bottom Guard - Remove".

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Personal injury can result from performing service on the track roller frame.

Refer to Special Instruction, SMHS8273 for inspection and removal procedures before performing any service.

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Illustration 1	g00831169

Remove drain plug (1) . Drain the oil from the pivot shaft into a suitable container for storage or disposal.

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Illustration 2	g00806370

Raise the rear of the machine. Position Tooling (B) . Track guides (2) should remain above the track links when you lower the machine onto Tooling (B) .

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Illustration 3	g00806341

Use Tooling (A) in order to raise the front of the machine. Raise the front of the machine until track guides (3) are above the track links.

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Illustration 4	g00806298

Select one track roller frame for removal. Position Tooling (C) between the equalizer bar and the main frame on that side of the machine. Tooling (C) maintains the equalizer bar in the original position when you remove the track roller frame.

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Illustration 5	g00831114

Place Tooling (D) under the front of track roller frame. Use Tooling (D) in order to apply pressure to the track roller frame.

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Illustration 6	g00627531

Remove bolts (4) and retainer plate (5) from the equalizer bar pin and from the track roller frame. Place one small wedge on each side of the equalizer bar and the track roller frame at location (X) .

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Illustration 7	g00831109

Note: The end pins in the equalizer bar can only be removed from the front. The end pins are larger in diameter at the front.

Use Tooling (E) in order to remove the equalizer bar pin from the front. The wedges facilitate the removal of the pin. Make sure that the wedges stay tight.

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Illustration 8	g00837601

Remove bolts (7) and trunnion (6) from the track roller frame.

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Illustration 9	g00831117

Remove plug (8) from plate (9) .

Remove the bolt and the spacer behind plug (8) .

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Illustration 10	g00831160

Use Tooling (F) in order to remove plate (9) from the track roller frame.

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Illustration 11	g00627805

Remove the bolts and plate (10) from the end of the pivot shaft.

Remove the ring behind plate (10) .

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Illustration 12	g00626395

Remove bolts (11) that hold the seal retainer to the frame of the machine.

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Illustration 13	g00627806

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Personal injury or death can result from lifting a heavy assembly.
The heavy assembly can fall if using an incorrect hoist to lift the load.

Be sure the hoist has the correct capacity to lift a heavy assembly. Approximate weight of the assembly is given below.

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Pinch Point
Stay clear of this area!

Serious personal injury may occur.

Remove the three bolts. Move the handhold and lighting bracket (12) out of the way of Tooling (G) .

Fasten chain (13) between the rear track roller frame and the front track roller frame. The chain holds the front track roller frame in place.

Attach a suitable lifting device and Tooling (G) to the track roller frame. Raise the track roller frame. Remove Tooling (D) . In order to remove the track roller frame from the machine, pull the frame off the pivot shaft. The track roller frame with seven rollers and with two idlers weighs approximately 2300 kg (5000 lb).