Rocker Shaft
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3044C Industrial Engine and Engines for Caterpillar Built Machines
[RENR7577]
BASIC ENGINE
VALVE MECHANISM GP
3044C Industrial Engine and Engines for Caterpillar Built Machines
Rocker Shaft
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| Required Tools | |||
|---|---|---|---|
| Tool | Part Number | Part Description | Qty |
| A | 8T-5096 | Dial Indicator Group | 1 |
| B | - | V Block | 2 |
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 | |
| Illustration 1 | g00984738 |
(1) Rocker shaft
- Diameter of the rocker shaft ... 18.980 to 19.000 mm (0.7472 to 0.7480 inch)
(2) Rocker arm
- Inside diameter of the rocker arm bushings ... 19.010 to 19.030 mm (0.7484 to 0.7492 inch)
- Clearance between the rocker arm bushing and the rocker shaft ... 0.010 to 0.050 mm (0.0004 to 0.0020 inch)
- Maximum permissible clearance between the rocker arm bushing and the rocker shaft ... 0.070 mm (0.0028 inch)
- Clearance between the rocker arm bushing and the rocker shaft ... 0.010 to 0.050 mm (0.0004 to 0.0020 inch)
(3) Spring
(4) Tighten the bolts evenly. Tighten the long bolt first. Tighten the bolts to the following torque. ... 10 to 20 N·m (7 to 15 lb ft)
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| Illustration 2 | g01256167 |
(5) Pushrods
Place the pushrod in Tooling (B). Use Tooling (A) in order to check all pushrods for runout. Replace the pushrod if the runout exceeds the following value. ... 0.30 mm (0.0118 inch)
Information System:
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MID 079 - CID 0682 - FMI 06
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MID 079 - CID 0682 - FMI 05
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MID 079 - CID 1868 - FMI 03
3044C Industrial Engine and Engines for Caterpillar Built Machines
General Information
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Daily Inspection
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Engine and Machine Warm-Up
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MID 079 - CID 1869 - FMI 03
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MID 079 - CID 1869 - FMI 04
3034 Engine for Caterpillar Built Machines
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2003/03/17
Correction to Operation and Maintenance Manual , "Lubricant Viscosities" {7581}
2005/04/11
Correction to Operation and Maintenance Manual , "Drive Shaft Support Bearing - Lubricate" {3267}
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Additional Messages
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Connecting Rod Bearings - Remove - Serrated Connecting Rod
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Connecting Rod Bearings - Remove - Fractured Connecting Rod