312F and 313F Excavators Machine Systems Caterpillar

Upper Frame and Undercarriage Frame - Separate

Usage:

Separate Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	447-0910	Electric Hydraulic Pump Gp(115V)	1
	447-0911	Electric Hydraulic Pump Gp(230V)	1
	284-5122	Stand Assembly	1
	8S-7641	Tube	1
	8S-7625	Collar	1
	8S-7615	Pin As	1
	396-9840	Hydraulic Cylinder	1
B	228-4533	Link	1
C	FT-3091	Beam	1
D	-	Guide Stud M16 - 2 by 150mm	2
E	-	Loctite High Flex GM	-
F ⁽¹⁾	9U-7540	Lift Stand	2
	447-0910	Electric Hydraulic Pump Gp (115 V)	1
	447-0911	Electric Hydraulic Pump Gp (230 V)	1
F1	OR
	504-9791	Lift Gp (60 Hz) ⁽²⁾	2
	504-9793	Lift Gp (50 Hz) ⁽³⁾	2

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⁽¹⁾	Use Tooling (F) or (F1) based on requirements.
⁽²⁾	Operating Voltage (240-480V)
⁽³⁾	Operating Voltage (200-400V)

Start By:

Remove the bucket.

Start the engine. Park machine on a hard, level surface.
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Illustration 1 g03076498
Remove drain plugs (3) to drain oil from both final drive units. Remove bolts (1) to remove cover (2). Refer to Disassembly and Assembly, "Final Drive and Travel Motor - Disassemble" for more information.
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Illustration 2 g03076516

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Without the sun gear in place, the brakes are ineffective. Personal injury or death could result. Provide other means to hold or stop the machine.
Remove sun gear (4). Apply Tooling (E) onto cover (2). Install cover (2) and bolts (1). Refill with oil for towing. Repeat procedure for the opposite final drive.
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Illustration 3 g03581616
Position stick (6) on Tooling (A), as shown. Ensure the eye Dimension (X) of pin hole from stick (6) is level with the bottom of frame (5) to enable level lifting.
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Illustration 4 g03645234

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Illustration 5 g03076580
Disconnect grease hose assembly (7). Remove bolts (8) and plate (9). Attach a suitable lifting device to boom cylinder (10). The weight of boom cylinder (10) is approximately 147 kg (324 lb). Slide pin (11) toward the boom to reposition boom cylinder (10).
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Illustration 6 g03076581

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Illustration 7 g03581620
Disconnect hose assemblies (12). Attach a suitable lifting device to both ends of boom cylinder (10). The weight of boom cylinder (10) is approximately 147 kg (324 lb). Lower boom cylinder (10) to top of the blade.
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Illustration 8 g03076585
Remove pin assembly (13). Remove boom cylinder (10).
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Illustration 9 g03582440

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Illustration 10 g03581624
Attach a suitable lifting device to Tooling (B). The weight of Tooling (B) is approximately 95 kg (210 lb). Position Tooling (B) as shown. Install pin assembly (13). Position Tooling (B) on the boom pin. Install plate (9) and bolts (8).
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Illustration 11 g03581641
Remove cover (14).
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Illustration 12 g03581653
Disconnect and relocate hose assemblies (15).
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Illustration 13 g03581704

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Illustration 14 g03581700
Disconnect hose assemblies (16). Disconnect hose and fitting assemblies (17). Remove clamp (18). Remove retainer (19). Remove boot (20).
Remove hose assemblies (21) and pin (22).
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Illustration 15 g03644782
Remove bottom guard (23).
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Illustration 16 g06387805

For Tooling (F).
Position Tooling (F) and Tooling (C) as shown in illustration 16.
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Illustration 17 g06387832

For Tooling (F1).
Position Tooling (F1) and Tooling (C) as shown in illustration 17. Refer to Tool Operating Manual, NEHS1303 , "Lift Group (Stand -25 Ton)" for more information on Tooling (F1).
The weight of upper frame (5) is approximately 7711 kg (17000 lb).
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Illustration 18 g03708940
Disconnect bolts (24) and (25).
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Illustration 19 g03582466

Note: Mark swing gear for installation.
Install Tooling (D).
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Illustration 20 g03581866

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Illustration 21 g03581868
Use Tooling (A), and Tooling (F) or Tooling (F1) to raise upper frame (5) in increments of 12.70 mm (0.500 inch) from front to back to keep the upper frame level. Raise the machine until the machine clears the tooling and the swing gear (26).
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Illustration 22 g03076700
Use suitable towing device to pull the undercarriage away from the upper frame assembly. The weight of the undercarriage is approximately 3630 kg (8000 lb).