Alternator - Install
Alternator Bracket for Hydraulic Excavator
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Required Tools | |||
Tool | Part Number | Part Description | Qty |
A(1) | - | 1/2 Inch Drive T50 Torx Bit | 1 |
- | 1/2 Inch Drive x 8 mm Hex Drive | 1 | |
B | - | Guide Studs M10 by 80 mm |
2 |
C | - | Guide Studs M10 by 130 mm |
2 |
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(1) | Either tool may be necessary in order to install the alternator pulley. |
- If necessary, follow Step 1.a through Step 1.k in order to install the alternator bracket to the cylinder block of the hydraulic excavator.
- Ensure that all of the components of the alternator bracket are clean and free from wear and damage. Replace all components that are worn or damaged.
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Illustration 1 g02095234 - Position bracket (22) onto the cylinder block. Ensure that the bracket is correctly oriented.
- Install bolts (23) and tighten the bolts to a torque of
44 N·m (32 lb ft) .Show/hide tableIllustration 2 g02165614 Show/hide tableIllustration 3 g02352949 - Install Tooling (B) to the cylinder block.
- Position alternator bracket (17) onto Tooling (B). Install bolts (18) to the alternator bracket and hand tighten the bolts.
Note: Support the alternator bracket as the bolts are installed. The weight of the bracket is approximately
19 kg (42 lb) . - Remove Tooling (B) and install the remaining bolts (18) to the alternator bracket and hand tighten the bolts.
- Ensure that spacers (20) are correctly installed to alternator bracket (17).
- Install bolts (19) to alternator bracket (17) and hand tighten the bolts.
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Illustration 4 g02165494 - Tighten bolts (18) to a torque of
44 N·m (32 lb ft) . - Tighten bolts (19) to a torque of
44 N·m (32 lb ft) .Note: Ensure that Position (X) on alternator bracket (17) does not move in either direction.
- Install the refrigerant compressor. Refer to Disassembly and Assembly, "Refrigerant Compressor - Remove and Install" for the correct procedure.
- Ensure that all of the components of the alternator bracket are clean and free from wear and damage. Replace all components that are worn or damaged.
- If necessary, follow Step 1.a through Step 1.h in order to install alternator bracket (11) onto the cylinder block.
- Ensure that alternator bracket (11) is clean and free from wear and damage. If necessary, replace the alternator bracket.
- Ensure that dowels (16) are free from wear and damage. If necessary, replace the dowels.
- Install Tooling (B) to the cylinder block.
- Position alternator bracket (11) onto Tooling (B). Install bolts (12) hand tight.
- Remove Tooling (B) and install remaining bolts (12) hand tight.
- Tighten bolts (12) to a torque of
44 N·m (32 lb ft) . - If necessary, install belt tensioner (14) onto alternator bracket (11) and tighten bolt (15). Refer to Disassembly and Assembly, "Belt Tensioner - Install" for the correct procedure.
- If necessary, install flat idler pulley (13) onto alternator bracket (11). Refer to Disassembly and Assembly, "Idler Pulley (Flat Idler Pulley) - Remove and Install" for the correct procedure.
Show/hide tableIllustration 8 g02019754 Typical example - If necessary, follow Step 2.a through Step 2.d in order to install pulley (8) to alternator (2).
Note: Either of Tooling (A) may be required in order to carry out the installation of the alternator pulley.
- Place alternator (2) in a suitable support.
- Ensure that pulley (8) is correctly oriented.
- Install pulley (8) and a new nut (9) to alternator shaft (10).
- Position a cranked ring spanner onto nut (9) and use a suitable tool in order to prevent the cranked ring spanner from turning. Use Tooling (A) in order to turn the shaft of the alternator in a counterclockwise direction. Tighten the nut to the correct torque. Refer to Specifications, "Alternator" for the correct torque.
Show/hide tableIllustration 9 g02166913 Show/hide tableIllustration 10 g02014454 Typical example Show/hide tableIllustration 11 g02014413 Typical example - Install Tooling (C) to the alternator bracket.
- Install alternator (2) onto Tooling (C). Install bolts (1) and tighten the bolts hand tight.
- Remove Tooling (C) and install remaining bolts (1) and tighten the bolts hand tight.
- Tighten the bolts in Position (X) to a torque of
50 N·m (37 lb ft) . - Tighten the bolts in Position (Y) to a torque of
50 N·m (37 lb ft) . - Connect wiring harness assembly (3) to alternator (2). Install nuts (4) and nut (5) and tighten the nuts to the correct torque. Refer to Specifications, "Alternator" for the correct torque.
- Connect grounding strap (6) to alternator (2). Install bolt (7) and tighten the bolt to the correct torque. Refer to Specifications, "Alternator" for the correct torque.
- Install the alternator belt. Refer to Disassembly and Assembly , "Alternator Belt - Remove and Install" for the correct procedure.
- Turn the battery disconnect switch to the ON position.
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Illustration 5 | g02022404 |
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Illustration 6 | g02165615 |
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Illustration 7 | g02352950 |
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