Unit Injector Hydraulic Pump Drive - Install
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Required Tools | |||
---|---|---|---|
Tool | Part Number | Part Description | Qty |
A | 8S-1378 | Stud Remover and Resetter Tool | 1 |
- Check all of the O-ring seals and the components for wear or damage. Replace the components, if necessary.
- Lubricate all of the O-ring seals lightly with the lubricant that is being sealed.
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Illustration 1 g00481742 - Install O-ring seals (20) on unit injector hydraulic pump drive (16).
- Lubricate the bore and O-ring seals (20) lightly with the lubricant that is being sealed.
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Illustration 2 g00481712 - Install unit injector hydraulic pump drive (16) in the engine.
- Use the following procedure for installation of twelve point head bolts (18) and pin (19).
- Install four twelve point head bolts (18). Tighten the four twelve point head bolts to a torque of
5 ± 3 N·m (44 ± 27 lb in) . - Install pin (19) and the O-ring seal. Tighten pin (19) to a torque of
105 ± 10 N·m (75 ± 7 lb ft) . - Tighten four twelve point head bolts (18) to a torque of
55 ± 7 N·m (41 ± 5 lb ft) .
Show/hide tableIllustration 3 g00481702 Note: Prior to installing front gear (13), the number one piston must be at TDC. Refer to Testing and Adjusting, "Finding Top Center Position For No. 1 Piston" for the correct procedure.
- Install four twelve point head bolts (18). Tighten the four twelve point head bolts to a torque of
- Place front gear (13) in position on the fuel pump gear cover. Align the timing marks on front gear (13) and the camshaft drive gear.
- Install retaining plate (15) and four twelve point head bolts (14). Tighten the twelve point head bolts to a torque of
135 ± 20 N·m (100 ± 15 lb ft) .Note: The end of each of the speed sensors is retractable. Each speed sensor must be fully extended before installation.
- If necessary, use Tool (A) (not shown) in order to install the stud to the engine.
- Install two speed sensors (17). Connect the wire harness to speed sensors (17). Tighten the speed sensors to a torque of
40 ± 5 N·m (30 ± 4 lb ft) .Show/hide tableIllustration 4 g00834715 - If necessary, use Tooling (A) (not shown) in order to install the taperlock stud in fuel pump gear cover (11).
- Install a new gasket and fuel pump gear cover (11) to the front housing. Install ten bolts (10). Apply 7M-7456 Compound to the studs and install two full nuts (12).
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Illustration 5 g00481185 - Install clip (9).
- Connect three hose assemblies (3), (4) and (6). Install a new tie strap (5).
- Connect the turbocharger outlet pressure sensor (7) at the electrical connector. Connect atmospheric pressure sensor (8) at the electrical connector.
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Illustration 6 g00833106 - Install support assembly (3) and plate (2) on the engine.
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Illustration 7 g00481180 - Connect fuel temperature sensor (1) at the electrical connector.
End By:
- Install the fan drive. Refer to Disassembly and Assembly, "Fan Drive - Install".
- Install the unit injector hydraulic pump. Refer to Disassembly and Assembly, "Unit Injector Hydraulic Pump - Install".
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