IT28G Integrated Toolcarrier and 928G Wheel Loader Clutch (First and Third) Caterpillar


Clutch (First and Third)
`



Illustration 1g01149770

Note: The dimension for callout (1) is only the thickness of five new discs and five new platesand one new end plate. The dimension does not include the running clearance of the clutch pack. See the procedure to measure the running clearance.

(1) Clutch pack for the third gear

Thickness of five new discs and five new plates, and one new end plate for the third gear ... 41.00 ± 0.93 mm (1.614 ± 0.037 inch)
Thickness of one new 6Y-7968 Disc ... 4.00 ± 0.08 mm (0.158 ± 0.003 inch)
Minimum allowable thickness for reusability ... 3.66 mm (0.144 inch)
Thickness of one new 6Y-5631 Plate ... 3.00 ± 0.08 mm (0.118 ± 0.003 inch)
Thickness of one new 8E-5707 End Plate ... 6.00 ± 0.13 mm (0.236 ± 0.005 inch)

Note: The dimension for callout (2) is only the thickness of nine new discs and nine new platesand one new end plate. The dimension does not include the running clearance of the clutch pack. See the procedure to measure the running clearance.

(2) Clutch pack for the first gear

Thickness of nine new discs and nine new plates, and one new end plate for the first gear ... 63.08 ± 1.52 mm (2.484 ± 0.060 inch)
Thickness of one new 6Y-7922 Disc ... 4.00 ± 0.08 mm (0.158 ± 0.003 inch)
Minimum allowable thickness for reusability ... 3.66 mm (0.144 inch)
Thickness of one new 8E-6115 Plate ... 2.12 ± 0.08 mm (0.084 ± 0.003 inch)
Thickness of one new 6Y-8514 End Plate ... 8.00 ± 0.08 mm (0.315 ± 0.003 inch)

(3) 6Y-7818 Spring

Length under test force ... 34.50 mm (1.358 inch)
Test force ... 1245 ± 62 N (280 ± 14 lb)
Free length after test ... 50.37 mm (1.983 inch)
Outside diameter ... 78.86 mm (3.105 inch)

(4) The depth that is required to install the bearing ... 1.0 ± 0.3 mm (0.039 ± 0.012 inch)

(5) Diameter

Diameter of bearing after assembly ... 65.046 ± 0.039 mm (2.5609 ± 0.0015 inch)
Diameter of shaft in bearing area ... 64.961 ± 0.010 mm (2.5575 ± 0.0004 inch)

(6) Running clearance THIRD GEAR clutch ... 4.67 ± 1.50 mm (0.184 ± 0.059 inch)

Note: The maximum allowable clearance is 8.02 mm (0.316 inch) for used components.

See the procedure to measure the running clearance.

(7) 132-9623 Spring

Length under test force ... 26.72 mm (1.052 inch)
Approximate test force ... 560 N (126 lb)
Length under test force ... 23.07 mm (0.908 inch)
Test force ... 1157 ± 89 N (260 ± 20 lb)
Free length after test ... 32 mm (1.260 inch)
Length under test force ... 19 mm (0.748 inch)
Approximate test force ... 1954 N (439 lb)
Outside diameter ... 116.46 ± 0.64 mm (4.585 ± 0.025 inch)

(8) Running clearance for FIRST GEAR clutch ... 4.55 ± 2.03 mm (0.179 ± 0.080 inch)

Note: The maximum allowable clearance is 10.58 mm (0.417 inch) for used components.

See the procedure to measure the running clearance.

(9) 129-8732 Spring

Length under test force ... 9.100 mm (0.358 inch)
Test force ... 4.9 ± 0.7 N (1 ± 0.2 lb)
Free length after test ... 10.1 mm (0.398 inch)
Outside diameter ... 6.824 mm (0.269 inch)

Information System:

3208 Marine Engine After Stopping Engine
3208 Marine Engine Docking or Reversing Travel Direction
992G Wheel Loader and 854G Wheel Dozer Power Train Transmission Lubrication
IT28G Integrated Toolcarrier and 928G Wheel Loader Clutch (Reverse and Second)
992G Wheel Loader and 854G Wheel Dozer Power Train Transmission Hydraulic System
C15 and C18 Petroleum Generator Sets Engine Operation - Hydrocarbon Mitigation
D6R Track-Type Tractor Refill Capacities
IT28G Integrated Toolcarrier and 928G Wheel Loader Clutch (Forward High and Forward Low)
992G Wheel Loader and 854G Wheel Dozer Power Train Torque Converter
950G Wheel Loader, 962G Wheel Loader and IT62G Integrated Toolcarrier Hydraulic System Bucket Control Group
D6R Track-Type Tractor Steering and Directional Lever
D6R Track-Type Tractor Starting Below 0°C (32°F) with Ether Starting Aid
651E Wheel Tractor-Scraper Cooling System Water Temperature Regulator - Replace
966G and 972G Wheel Loaders Multipurpose Bucket Operation
992G Wheel Loader and 854G Wheel Dozer Power Train Input Transfer Gear And Output Transfer Gear Lubrication
631E Series II Wheel Tractor-Scrapers Engine Valve Lash - Check
IT38F Integrated Toolcarrier and 938F Wheel-Type Loader Secondary Steering System Specification
IT38F Integrated Toolcarrier and 938F Wheel-Type Loader Secondary Steering System System Operation
D7R Track-Type Tractor Engine Air Filter Primary Element - Clean/Replace
D7R Track-Type Tractor Engine Air Filter Secondary Element - Replace
D7R Track-Type Tractor Walk-Around Inspection
IT28G Integrated Toolcarrier and 928G Wheel Loader Transmission Case
IT38F Integrated Toolcarrier and 938F Wheel-Type Loader Secondary Steering System Testing and Adjusting
D7R Track-Type Tractor Hydraulic System Oil - Change