PL61 Pipelayer Machine Systems Caterpillar

Hydraulic Tank and Filter - Remove

Usage:

PL61 WGS

Removal Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	138-7573	Link Bracket	2
A	189-0408	Shackle As	1
B	1U-9200	Lever Puller Hoist	1

Start By:

Remove the rollover protective structure. Refer to Disassembly and Assembly, "Rollover Protective Structure (ROPS) - Remove and Install".
Remove the left side hydrostatic piston motor. Refer to Disassembly and Assembly, "Piston Motor (Hydrostatic) - Remove".
Remove the left side track brake. Refer to Disassembly and Assembly, "Track Brake - Remove".
Remove the gear pump for the hydraulic fan. Refer to Disassembly and Assembly, "Gear Pump (Hydraulic Fan) - Remove".
Remove the piston pump for the implement. Refer to Disassembly and Assembly, "Piston Pump (Implement) - Remove".

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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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat^® products. Dispose of all fluids according to local regulations and mandates.

Note: Cleanliness is an important factor. Before you begin the removal procedure, the exterior of the components should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.

Note: Put identification marks on all hoses, on all hose assemblies, on all harness assemblies, and on all tube assemblies for installation purposes. Plug all hose assemblies and all tube assemblies. This helps to prevent fluid loss, and this helps to keep contaminants from entering the system.

Drain the hydraulic system into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Capacities - Refill" for the capacity of the hydraulic tank. Refer to Operation and Maintenance Manual, "Hydraulic System Oil - Change".
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Illustration 1 g01622906
Disconnect clamp (1).
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Illustration 2 g01622910
Disconnect hose (2). Disconnect clip (3) and clip (4).
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Illustration 3 g01622880
Cut cable straps (6). Disconnect harness assembly (7). Remove bolt (5).
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Illustration 4 g01622917
Disconnect hose assembly (8) and hose assembly (9).
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Illustration 5 g01622959
Disconnect hose assembly (10) and hose assembly (11).
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Illustration 6 g01622982
Disconnect hoses (12).
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Illustration 7 g01622989
Disconnect hose assembly (13).
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Illustration 8 g01625156
Disconnect clip (14).
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Illustration 9 g01625167
Disconnect hose assembly (16). Remove fitting (15).
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Illustration 10 g01623028
Attach Tooling (A), Tooling (B), and a suitable lifting device to hydraulic tank and filter (17). The weight of hydraulic tank and filter (17) is approximately 100 kg (220 lb).
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Illustration 11 g01625186
Remove bolts (18), hard washers (19), and mount assemblies (20).
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Illustration 12 g01625205
Remove bolts (23), hard washers (22), and mount assemblies (21).
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Illustration 13 g01625207
Remove bolts (24) and the nuts. Remove hard washers (25) and two mount assemblies (26) (not shown).
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Illustration 14 g01623028
Use Tooling (A), Tooling (B), and the suitable lifting device in order to remove hydraulic tank and filter (17) from the machine.