315B Excavator Excavator Systems Caterpillar

Tank and Filter (Hydraulic) - Install

Usage:

Installation Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	138-7773	Link Bracket	1
B	138-7573	Link Bracket	2

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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 machine. 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 Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose of all fluids according to local regulations and mandates.

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Illustration 1	g00492291

Fasten Tooling (B) and a suitable lifting device to the hydraulic oil tank, as shown. Carefully position the hydraulic oil tank on the frame of the machine. The weight of the hydraulic oil tank is 145 kg (320 lb) .

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Illustration 2	g00492290

Apply 7M-7456 Compound to the threads of six bolts (36) . Install six bolts (36) and the spacers that hold the hydraulic oil tank in place. Tighten the six bolts to a torque of 270 ± 40 N·m (200 ± 30 lb ft) .

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Illustration 3	g00492289

Install clamp (35) and bolt (34) .

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Illustration 4	g00492288

Connect electrical connector (32) and install three tie-wraps (33) .

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Illustration 5	g00492287

Install hose (31) . Tighten hose clamps (30) .

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Illustration 6	g00492286

Install two electrical connectors (27) .

Install two hose assemblies (28) and (29) .

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Illustration 7	g00492285

Install plate (26) . Install bolts (25) and tighten bolts (24) .

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Illustration 8	g00492284

Install side cover (23) and three bolts (22) .

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Illustration 9	g00492283

Install bolt (21) .

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Illustration 10	g00492282

Install front cover (20) and two bolts (19) .

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Illustration 11	g00492281

Install support (18) and three bolts (17) .

Install two bolts (16) that secure the governor control to support (18) .

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Illustration 12	g00492280

Install plate (15) and two bolts (14) .

Make sure that the drain plug for the hydraulic oil tank is tight. Tighten the drain plug to a torque of 68 ± 7 N·m (50 ± 5 lb ft) .
Note: The following steps deal with the installation of the hydraulic oil filter.

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Illustration 13	g00367038

Fasten Tooling (A) and a suitable lifting device to the hydraulic oil filter, as shown. Carefully position the hydraulic oil filter and install mounting bolts (13) . The weight of the hydraulic oil filter is 22 kg (49 lb) .

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Illustration 14	g00367037

Install the four washers and four bolts (12) .

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Illustration 15	g00367036

Connect electrical connector (11) .

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Illustration 16	g00492466

Install the four washers and four bolts (10) that secure hydraulic oil line (9) to the filter.

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Illustration 17	g00367033

Install the two washers and two bolts (8) that secure filter (6) to the main hydraulic oil filter.

Install the two washers and two bolts (7) that secure filter (5) to the main hydraulic filter.

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Illustration 18	g00367032

Position plate (4) on the machine. Install the four washers and four bolts (3) that secure plate (4) to the machine.

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Illustration 19	g00367012

Position plate (2) on the machine. Install two bolts (not shown) in plate (2) . Install the five washers and five bolts (1) that secure plate (2) to the machine.

Fill the hydraulic oil tank to the correct level with hydraulic oil. Refer to Operation and Maintenance Manual, "Lubrication Viscosities and Refill Capacities" for the correct filling procedure and the correct level for the hydraulic oil system.