312F and 313F Excavators Machine Systems Caterpillar

Upper Frame and Undercarriage Frame - Connect

Usage:

Connect 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
	9U-7515	Hose Gp.	3
	396-9840	Hydraulic Cylinder	1
	284-5122	Stand Assembly	1
	8S-7631	Tube	1
	8S-7615	Pin As	1
	8S-7625	Collar	1
	8S-8048	Saddle	1
B	228-4533	Link	1
C	FT-3091	Beam	1
D	-	Guide Stud M16 - 2 by 150mm	2
E	-	Loctite Hi 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
G	-	Loctite 271 Threadlocker	-

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

Thoroughly clean the mating surfaces of the upper structure and the undercarriage frame.
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Illustration 1 g03644806
Use a suitable towing device to position the undercarriage under the upper structure. The weight of undercarriage (11) is approximately 3630 kg (8000 lb).
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Illustration 2 g03644814

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Illustration 3 g03644815
Apply a coat of Tooling (E) on the mating surface of swing gear (26) and upper frame assembly (5).
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Illustration 4 g06387805

For Tooling (F).
Use Tooling (A), Tooling (C), and Tooling (F) to lower the upper structure onto the undercarriage frame assembly.
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Illustration 5 g06387832

For Tooling (F1).
Use Tooling (A), Tooling (C), and Tooling (F1) to lower the upper structure onto the undercarriage frame assembly. Refer to Tool Operating Manual, NEHS1303 , "Lift Group (Stand - 25 Ton)" for more information on Tooling (F1).
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Illustration 6 g03644841

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Illustration 7 g03708961
Align the marks on the upper structure to swing gear (26). Remove Tooling (D).
Apply Tooling (G) on the threads of bolts (24) and (25). Install bolts (25). Tighten bolts (24) and (25) to a torque of 270 ± 40 N·m (199 ± 30 lb ft). Connect tube assembly (24)
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Illustration 8 g03644880
Install bottom guard (23).
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Illustration 9 g03644881

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Illustration 10 g03645262
Install hose assembly (21). Install pin (22).
Install boot (20), clamp (18), and retainer (19). Connect hose and fitting assemblies (17). Connect hose assemblies (16).
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Illustration 11 g03644886
Connect hose assemblies (15).
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Illustration 12 g03644892
Install cover (14).
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Illustration 13 g03644897

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Illustration 14 g03644933
Attach a suitable lifting device to Tooling (B). The weight of Tooling (B) is approximately 95 kg (210 lb). Remove bolts (8) and plate (9). Remove Tooling (B) from the upper boom pin.
Remove pin assembly (13) and Tooling (B).
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Illustration 15 g03644939

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Illustration 16 g03644941
Attach a suitable lifting device to both ends of boom cylinder (10). The weight of boom cylinder (10) is approximately 147 kg (324 lb).
Install boom cylinder (10). Install pin assembly (13).
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Illustration 17 g03644959

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Illustration 18 g03644961
Raise boom cylinder (10). Slide pin (11) into cylinder (10). Install plate (9) and bolts (8). Connect grease hose assembly (7).
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Illustration 19 g03644956
Attach hose assemblies (12).
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Illustration 20 g03644984
Remove Tooling (B).
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Illustration 21 g03644997

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Illustration 22 g00567247
Remove drain plugs (3). Drain oil from final drives. Remove bolts (1) and cover (2). Refer to Disassembly and Assembly, "Final Drive and Travel Motor - Disassemble" for more information.
Install sun gear (4). Thoroughly clean the mating surfaces of the ring gear and cover. Apply Tooling (E) on sealing lip of cover (2). Install cover (2).
Apply Tooling (G) on the threads of bolts (1). Tighten bolts (1) to a torque of 30 ± 7 N·m (22 ± 5 lb ft). Refill final drives with oil.