Caterpillar Cat 416C Backhoe Loader (Prefix 5YN) Service Repair Manual (5YN15148-16589).pdf

Service Repair Manual
Models
416C Backhoe Loader

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Product: BACKHOE LOADER
Model: 416C BACKHOE LOADER 5YN
Configuration: 416C Backhoe Loader Center Pivot, Single Tilt 5YN15148-16589 (MACHINE) POWERED BY 3054 Engine
Disassembly and Assembly
3054 Engine for Caterpillar Built Machines
Media Number -SENR6241-13 Publication Date -01/08/2008 Date Updated -04/08/2008
i02253357
Gear Group (Front) - Remove
SMCS - 1206-011
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 8S-2264 Puller Group 1
B 173-9774 Wrench Bit 1
Start By:
A. Remove the front cover. Refer to Disassembly and Assembly, "Front Cover - Remove".
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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416C Backhoe Loader Center Pivot, Single Tilt 5YN15148-16589 (MACHINE) POW...
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Illustration 1 g00556563
Note: It may be necessary to pin the fuel pump in order to maintain the correct timing.
Refer to Disassembly and Assembly, "Fuel Injection Pump - Remove"for the correct
procedure.
1. Align the timing marks on the crankshaft gear, the camshaft gear, and the idler gear, as
shown.
2. Remove bolts (1) from idler gear (2) .
3. Remove idler gear (2) and retainer plate (3) .
4. Remove bushing (4) from idler gear (2) , if necessary.
5. Remove the bushing with a suitable puller. If the bushing cannot be removed with a puller,
grind the face off of one bushing. The remainder of the bushing can then be removed with a
press.
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6. Remove idler gear hub (5) from the cylinder block.
7. Remove nut (6) and the spring washer from fuel injection pump gear (8) .
8. Remove bolts (7) from fuel injection pump gear (8) .
Note: Some fuel injection pump gears may have a tamper proof torx screw in place of one
of the four bolts. Use Tooling (B) to remove the tamper proof torx screw, if necessary.
9. Use Tooling (A) to remove fuel injection pump gear (8) .
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Tue Dec 24 17:46:35 UTC+0800 2019
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i01744102
Gear Group (Front) - Install
SMCS - 1206-012
Installation Procedure
NOTICE
1. Install fuel injection pump gear (8) on the engine.
2. Install bolts (7) on fuel injection pump gear (8).
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3. Install nut (6) and the spring washer on fuel injection pump gear (8). Tighten the nut to a
torque of 80 N·m (59 lb ft).
4. Install idler gear hub (5) on the engine.
5. Use a suitable press to install new bushings (4) into idler gear (2).
6. Machine the bores for clearance on idler gear hub (5). The bore should have a clearance of
0.04 to 0.010 mm (0.0016 to 0.0039 inch) on idler gear hub (5). The bore can have a
diameter of 57.14 to 57.18 mm (2.250 to 2.251 inch).
7. Machine the front faces of the bushings for the end play of idler gear (2). The gear and the
bushings can have a thickness of 30.14 to 30.16 mm (1.186 to 1.187 inch).
8. Install idler gear (2) and retainer plate (3) on the engine.
Note: Ensure that the timing marks on the camshaft gear, the crankshaft gear, and the idler
gear are aligned.
9. Install bolts (1) on idler gear (2). Tighten the bolts to a torque of 44 N·m (32 lb ft).
10. Check the end play of idler gear (2). Idler gear (2) should have end play of 0.10 to 0.20 mm
(0.004 to 0.008 inch).
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11. Check the backlash between the camshaft gear and idler gear (2). The gears must have a
minimum backlash of 0.08 mm (0.003 inch).
End By:
a. Install the front cover. Refer to Disassembly and Assembly, "Front Cover - Install".
Tue Dec 24 17:47:32 UTC+0800 2019
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i01744128
Housing (Front) - Remove
SMCS - 1151-011
Removal Procedure
Start By:
a. Remove the engine oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan - Remove
and Install".
b. Remove the front gear group. Refer to Disassembly and Assembly, "Gear Group (Front) -
Remove".
c. Remove the camshaft gear. Refer to Disassembly and Assembly, "Camshaft Gear - Remove
and Install".
NOTICE
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.
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Refer to Special Publication, NENG2500, "Caterpillar Dealer Service
Tool Catalog" for tools and supplies suitable to collect and contain
fluids on Caterpillar products.
Dispose of all fluids according to local regulations and mandates.
1. Remove all bolts (1) that fasten the front housing (2) to the cylinder block.
2. Remove bolts (3) that hold the oil pan to the bottom of front housing (2).
3. Remove front housing (2) and the gasket.
Tue Dec 24 17:48:29 UTC+0800 2019
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i06815567
Housing (Front) - Install
SMCS - 1151-012
Table 1
Required Tools
A - Loctite Gasket Sealant No. 2 -
NOTICE
1. Replace the gasket.
2. Apply Tooling (A) to the bottom portion of the gasket.
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3. If necessary, install the studs (not shown) to the back of the front housing (2) that holds the
fuel injection pump in position. Tighten the studs to a torque of 11 N·m (97 lb in). Install
the gasket and front housing (2). Cut the gasket to the correct length, if necessary.
4. Install bolts (3) that hold the engine oil pan to the bottom of the front housing. Tighten the
bolts to a torque of 22 N·m (16 lb ft).
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5. Install all bolts (1) that fasten the front housing (2) to the cylinder block and to the oil pan.
Tighten bolts (1) to a torque of 22 N·m (16 lb ft) using the sequence in Illustration 3.
Note: Ensure that the bottom of the front housing is aligned with the bottom of the cylinder
block.
End By:
a. Install the camshaft gear.
b. Install the front gear group.
c. Install the engine oil pan.
Tue Dec 24 17:49:26 UTC+0800 2019
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i01054405
Valve Mechanism Cover - Remove and Install
SMCS - 1107-010
Removal Procedure
NOTICE
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, "Caterpillar Tools and Shop
Products Guide" for tools and supplies suitable to collect and contain
fluids on Caterpillar products.
Dispose of all fluids according to local regulations and mandates.
Note: The engines are equipped with either an aluminum valve cover or with a composite valve
cover. The aluminum valve cover has a seal that fits between the valve cover and the inlet
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manifold. The composite valve cover has a seal that is permanently fixed to the side of the valve
cover.
Typical example
Aluminum valve cover
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Composite valve cover
1. Loosen hose clamp (1) .
2. Disconnect breather hose (2) .
3. Remove three nuts (3), steel washers (6), and sealing washers (8) .
Note: When you remove nuts (3), ensure that the nuts on the rocker arm bracket are not
loosened.
Note: Current production engines have an additional shim washer (7) .
4. Remove valve cover (4), gasket (10), and seal (5) .
5. Remove seal (9) for the oil filler cap.
Note: The engines are equipped with either an aluminum valve cover or with a composite valve
cover. The aluminum valve cover has a seal that fits between the valve cover and the inlet
manifold. The composite valve cover has a seal that is permanently fixed to the side of the valve
cover.
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Typical example
Aluminum valve cover
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Composite valve cover
1. Inspect the condition of the gaskets and the seals. Replace the gaskets and the seals, if
necessary.
2. Install seal (9) for the oil filler cap, if necessary.
3. Apply 8T-9022 Silicone Gasket to gasket (10) .
Note: Ensure that the flat face of the gasket is toward the valve cover.
4. Install gasket (10), seal (5), and valve cover (4) .
5. Lubricate three nuts (3) with clean engine oil.
6. Install three nuts (3), steel washers (6), and sealing washers (8) .
Note: When you install three nuts (3) without shim washers (7), tighten the nuts to a torque
of 20 N·m (15 lb ft). Do not overtighten the nuts.
Note: When you install three nuts (3) with shim washers (7), tighten the nuts to a torque of
30 N·m (22 lb ft). Do not overtighten the nuts.
7. Connect breather hose (2) .
8. Tighten hose clamp (1) .
Tue Dec 24 17:50:22 UTC+0800 2019
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Shutdown SIS
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i01761173
Rocker Shaft and Pushrod - Remove
SMCS - 1102-011; 1208-011
Removal Procedure
Start By:
a. Remove the valve mechanism cover. Refer to Disassembly and Assembly, "Valve
Mechanism Cover - Remove and Install".
NOTICE
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Typical example
Note: It is not necessary to remove the oil supply tube in order to remove the rocker shaft
assembly and the pushrods.
1. Remove nuts (1) and bolt (2) from the rocker shaft assembly. Begin with the end brackets
and move toward the center.
2. Remove rocker shaft assembly (3).
3. Remove the oil seal from the oil supply passage in the cylinder head.
Typical example
4. Remove pushrods (4). Place an identification mark on the pushrods for installation.
Tue Dec 24 17:51:19 UTC+0800 2019
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Shutdown SIS
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i01667090
Rocker Shaft - Disassemble
SMCS - 1102-015
Disassembly Procedure
Table 1
Required Tools
A 1P-0510 Driver Group 1
Start By:
A. Remove the rocker shaft assembly. Refer to Disassembly and Assembly, "Rocker Shaft and
Pushrod - Remove".
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Caterpillar Cat 416C Backhoe Loader (Prefix 5YN) Service Repair Manual (5YN15148-16589).pdf

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