973D Track-Type Loader Engine Supplement Caterpillar

Engine - Install

Usage:

973D LCP

Installation Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	304-1165	Tool Kit	1
B	140-7742	Sleeve	1
C	6V-6146	Load Leveler	1
D	180-3034	Jack Stand Gp	2
D	180-3033	Jack Stand Gp	2

Note: Cleanliness is an important factor. Before assembly, thoroughly clean all parts in cleaning fluid. Allow the parts to air dry. Do not use wiping cloths or rags to dry parts. Lint may be deposited on the parts which may cause trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement. Dirt and other contaminants can damage the precision component. Perform assembly procedures on a clean work surface. Keep components covered and protected at all times.

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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.

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Fuel leaked or spilled onto hot surfaces or electrical components can cause a fire. To help prevent possible injury, turn the start switch off when changing fuel filters or water separator elements. Clean up fuel spills immediately.

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Illustration 1	g01460642

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Illustration 2	g01459029

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Illustration 3	g01459136

Attach Tooling (C) and a suitable lifting device to engine (60). The weight of engine (60) is approximately 1815 kg (4000 lb).

Position engine (60) and install bolts (61).

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Illustration 4	g01459028

Connect hose assemblies (59) .

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Illustration 5	g01459015

Connect hose assemblies (58) .

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Illustration 6	g01458407

Connect hose assemblies (55) and (57). Connect clip (56) .

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Illustration 7	g01459006

Install clamp (54). Connect cable assemblies (52) and (53). Tighten cable assemblies (52) and (53) to a torque of 30 ± 4 N·m (265 ± 35 lb in).

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Illustration 8	g01458411

Connect harness assemblies (49) and (51). Connect clip (50). Tighten harness assembly (51) to a torque of 6 ± 1 N·m (55 ± 9 lb in).

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Illustration 9	g01458408

Attach Tooling (B) and a suitable lifting device to support assembly (45). The weight of support assembly (45) is approximately 39 kg (85 lb). Install support assembly (45) .

Position harness assembly (48) and install clips (47). Install new cable straps in order to secure harness assembly (48). Position hose assembly (44) and install bracket (46) .

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Illustration 10	g01459007

Connect hose assemblies (40), (42), and (44). Connect clips (41) and (43) .

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Illustration 11	g01458406

Connect bracket (36). Connect hoses (37) and (38). Connect hose assemblies (35) and (39) .

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Illustration 12	g01458405

Connect hose (32). Connect hose assemblies (33) and (34) .

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Illustration 13	g01454639

Connect hose assemblies (27), (28), (29), (30), and (31). Install new cable straps in order to secure hose assemblies (27) and (29) .

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Illustration 14	g01454638

Connect bracket assembly (24) and reposition. Connect connectors (25) and (26) to bracket assembly (24) .

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Illustration 15	g01454637

Connect bracket (22). Connect hose assemblies (20) and (21). Install new cable straps (23) in order to secure the harness assembly for the block heater.

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Illustration 16	g01454636

Connect bracket (18). Position filter assembly (14) and install bolts (17) .

Connect hose assemblies (19) to filter assembly (14). Position hoses (13) and install bolts (15). Connect harness assemblies (16) .

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Illustration 17	g01454635

Connect hoses (12). Install refrigerant compressor (10). Connect harness assembly (11) .

Install belt (9). Refer to Operation and Maintenance Manual, "Belt - Inspect/Adjust/Replace".

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Illustration 18	g01454634

Install guard assembly (7). Connect bracket (3). Connect clip (5). Connect harness assembly (6) and (8). Connect cable assembly (4). Tighten cable assembly (4) to a torque of 18 ± 2 N·m (13 ± 2 lb ft). Connect hose (2). Position hose (1) .

Turn the fuel supply valve to the ON position.

Fill the hydraulic system. Refer to Operation and Maintenance Manual, "Hydraulic System Oil - Change".

End By:

Install the batteries. Refer to Disassembly and Assembly, "Battery - Remove and Install".
Install the front bottom guard. Refer to Disassembly and Assembly, "Bottom Guard - Remove and Install".
Install the fan. Refer to Disassembly and Assembly, "Fan - Remove and Install".
Install the engine enclosure. Refer to Disassembly and Assembly, "Engine Enclosure - Install".
Lower the cab. Refer to Disassembly and Assembly, "Cab - Tilt (Full Tilt)".