C15 Petroleum Generator Set Engines Gear Group (Front) Caterpillar


Gear Group (Front)
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Illustration 1g06542551


Illustration 2g02574477
Tightening sequence for the stub shaft for cluster gear


Illustration 3g02574479
Tightening sequence for the camshaft gear

Table 1
Item  Qty  Part  Specification Description 
117-8801 O-Ring Seal  Before assembly, lubricate the O-ring seals with a 50/50 mixture of Camshaft and Follower lubricant and clean engine oil. 
Align the timing mark on the camshaft gear with the timing mark on the front housing. 
031-3185 Bolt  Tighten the bolt to 240 ± 40 N·m (177 ± 30 lb ft) in a numerical sequence 1, 4, 2, 5, 3, 6, 1, 4 as shown in Illustration 3. 
5P-4142 Locking Bolt  Torque to 55 ± 10 N·m (41 ± 7 lb ft)
6I-3624 Thrust Plate  Install the oil groove of the thrust plate towards the face of gear assembly. 
Thickness is 4.00 ± 0.25 mm (0.157 ± 0.010 inch).
10  9S-8752 Full Nut  Use the following procedure when removing the nuts for service:
1. Remove the bolt.
2. Clean bolt with a wire brush.
3. Before assembly, apply blue Loctite 243 to the threads.
4. Tighten the nut to 55 ± 10 N·m (41 ± 7 lb ft)
10  126-1756 Locking Bolt  Use the following procedure when removing the bolts for service:
1. Remove the bolt.
2. Clean bolt with a wire brush.
3. Before assembly, apply blue Loctite 243 to the threads.
4. Tighten the bolt to 30 ± 7 N·m (266 ± 62 lb in)
197-4971 Stub Shaft  Diameter is 63.500 ± 0.013 mm (2.5000 ± 0.0005 inch)
151-5966 Stub Shaft As  Diameter is 50.800 ± 0.013 mm (2.0000 ± 0.0005 inch)
Extension of 6I-3623 Dowel is 4.5 ± 0.5 mm (0.18 ± 0.02 inch).
10  2J-3118 Locking Bolt  Tighten the bolt to 55 ± 10 N·m (41 ± 7 lb ft) in numerical sequence 1, 3, 4, 5, 2, 1, 2, 3, 4, 5, 1 as shown in the Illustration 2. 
11  112-9217 Thrust Plate  Install the oil groove of the thrust plate towards the face of gear assembly. 
Thickness is 4.00 ± 0.25 mm (0.157 ± 0.010 inch).
12  158-3416 Stub Shaft  Diameter is 50.800 ± 0.013 mm (2.0000 ± 0.0005 inch)
13  0S-1571 Bolt  Torque to 55 ± 10 N·m (41 ± 7 lb ft)
14  Align the timing mark on the crankshaft gear with the timing mark on the cluster gear assembly. 

Information System:

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C7 Engines for Caterpillar Built Machines Unit Injector - Remove
2003/04/21 Correction to Testing and Adjusting , "Pressure Tap Locations" {3030}
2003/04/14 Correction to Testing And Adjusting , "Transmission Testing and Location of The Pressure Taps" {3030, 3073}
2003/03/24 New Flash Software Allows Calibrations of the Power Train to be Performed by Using the Caterpillar Electronic Technician {0783, 0785, 7620}
980G Series II Wheel Loader Electrohydraulic System Hydraulic Fan Speed - Test and Adjust
C7 Engines for Caterpillar Built Machines Camshaft Gear - Remove and Install
611 and 615C Series II Wheel Tractor-Scrapers Steering System Steering System Troubleshooting
611 and 615C Series II Wheel Tractor-Scrapers Steering System Piston Pump (Secondary Steering)
611 and 615C Series II Wheel Tractor-Scrapers Steering System General Information
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Pilot Operated Hydraulic Control - Assemble
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Pilot Operated Hydraulic Control - Disassemble
D6N Track-Type Tractor Power Train Equalizer Bar - Install
D6N Track-Type Tractor Power Train Equalizer Bar - Remove
D6N Track-Type Tractor Power Train Front Track Roller Frame - Remove
D6N Track-Type Tractor Power Train Front Track Roller Frame - Install
D6N Track-Type Tractor Power Train Pivot Bar-Remove and Install
D6N Track-Type Tractor Power Train Track Adjuster - Remove and Install
D6N Track-Type Tractor Power Train Track Roller Frame - Remove
D6N Track-Type Tractor Power Train Track Roller Frame - Install
TH103 Telehandler Specifications
Field Installation of the Programmable Hydraulic Pilot Valve Arrangements{7620}
Supplement for the 973C Track-Type Loader with the Steel Mill Arrangement{7000}
TH103 Telehandler Braking System - Test