320D2 GC Excavator Machine Systems Upper Frame and Undercarriage Frame

Upper Frame and Undercarriage Frame - Connect

320D2 GC Excavator Machine Systems [M0066452]

320D2 GC Excavator Machine Systems Upper Frame and Undercarriage Frame - Separate

320D2 GC Excavator Machine Systems Window Wiper Motor - Remove and Install - Upper

FRAME AND BODY

FRAME GP

320D2 GC Excavator Machine Systems Upper Frame and Undercarriage Frame - Separate

320D2 GC Excavator Machine Systems Upper Frame and Undercarriage Frame - Connect

1.1. Connect Procedure

Connect Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	-	Guide Bolts M20 x 2.5 by 250mm	2
B	-	Loctite RTV Clean Silicone Sealant
C	350-7768	Electric Hydraulic Pump Gp	1
	350-7769⁽¹⁾	Electric Hydraulic Pump Gp	1
	4C-6486	Stand	1
	8S-7641	Tube	1
	8S-7625	Collar	1
	8S-7615	Pin	1
	396-9840	Hydraulic Cylinder	1
D	422-2352	Jack Stand Gp	1
E	228-4532	Boom Cylinder Link Gp	1
F⁽²⁾	9U-7536	Lift Stand	2
	447-0910	Electric Hydraulic Pump Gp (115V)	1
	447-0911	Electric Hydraulic Pump Gp (230V)	1
F1	OR
	504-9826	Lift Gp (50/60 Hz)⁽³⁾	2
	504-9827	Lift Gp (50/60 Hz)⁽⁴⁾	2
G	-	Guide Stud M20 X 1.5 by 150mm	1
H	-	Loctite C5A Copper Anti-Seize	-
J	FT-3091	Beam	1

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⁽¹⁾	CE Compliant
⁽²⁾	Use Tooling (F) or Tooling (F1) based on the requirement
⁽³⁾	Operating Voltage (380V-500V)
⁽⁴⁾	Operating Voltage (180V-300V)

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Illustration 1	g02611856

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Illustration 2	g02611736

Use a suitable towing device to position the undercarriage under the upper frame assembly. Apply Tooling (B) to the surface of the undercarriage.
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Illustration 3 g02611718

For Tooling (F)

Note: Lower the rear of the machine first to gain clearance between the pinion gear and ring gear.
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Illustration 4 g02609382
Lower the machine with Tooling (F).The weight of upper frame (5) is approximately 10890 kg (24000 lb). Lower the upper frame 12.70 mm (0.50 inch) from back and then lower the front to keep the pinion gear from binding.
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Illustration 5 g06414052

For Tooling (F1)

Note: Lower the rear of the machine first to gain clearance between the pinion gear and ring gear.
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Illustration 6 g02609382
Lower the machine with Tooling (F1).The weight of upper frame (5) is approximately 10890 kg (24000 lb). Lower the upper frame 12.70 mm (0.50 inch) from back and then lower the front to keep the pinion gear from binding. Refer to Tool Operating Manual, NEHS1328, "Lift Groups (Stand - 60 Ton)" for more information on Tooling (F1).
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Illustration 7 g02609381
Apply Tooling (H) to the threads of bolts (24). Install bolts (24). Tighten bolts (24) to a torque of 150 ± 15 N·m (111 ± 11 lb ft). Tighten bolts (24) an additionalan extra 70 ± 5 degrees. Connect tube assembly (23). Refer to Service Magazine , M0083843 , "An Improved Bolt Tightening Procedure for the Critical Joints Is Now Used on all Excavators" for more detailed information.
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Illustration 8 g02609380
Install boot (20). Install clamp (22). Install retainer (21). Install hose assemblies (19). Install fittings (18).
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Illustration 9 g02609379
Install hoses (17). Install bracket (16).
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Illustration 10 g02609377

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Illustration 11 g02551745
Attach a suitable lifting device to Tooling (D). The weight of Tooling (D) is approximately 95 kg (210 lb). Remove plate (10). Drive pin toward the boom. (13) to remove Tooling (D). Remove pin (15). Remove Tooling (D).
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Illustration 12 g02566684

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Illustration 13 g02609038
Attach a suitable lifting device to boom cylinder (12). The weight of boom cylinder (12) is approximately 181 kg (400 lb). Lower boom cylinder (12) onto Tooling (C). Position boom cylinder (12). Install pin (15) and spacers.
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Illustration 14 g02564118
Install hoses (14).
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Illustration 15 g02566686

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Illustration 16 g02566718
Position boom cylinder (12), as shown. Drive pin (13) into position. Install plate (10) and bolts (11). Connect hose assembly (9).
Drain the final drives into a suitable container.
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Illustration 17 g02610897

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Illustration 18 g02610898
Remove two bolts (1) and install Tooling (A), as shown. Remove remaining bolts (1). Tighten forcing screws (3) to remove the cover (2) from the final drive. Remove the cover (2) while holding the ring gear against the sprocket housing.
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Illustration 19 g02611717

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Illustration 20 g02610902
Place bolt (1) in the ring gear to hold in position, as shown. Install sun gear (4).
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Illustration 21 g02610898

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Illustration 22 g02610897
Apply Tooling (A) onto the cover (2). Install cover (2) and bolts (1). Apply Tooling (A) to screws (3). Install screws (3) flush with cover (2). Refill with oil.